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MA12070P
Filterless and High-Efficiency +4V to +26V
Audio Amplifier with I
2
S Digital Input
Description
The MA12070P is a super-efficient audio power
amplifier based on proprietary multi-level switching
technology. It supports a 4-26V supply voltage range,
allowing it to be used in many different applications.
Multi-level switching enables very low power loss
during operation. In addition, it allows the amplifier to
be used in filterless configurations at full rated power
in a wide range of audio products.
The MA12070P features an embedded digital power
management scheme. The power management
algorithm dynamically adjusts switching frequency and
modulation to optimize power loss and EMI across the
output power range.
An integrated digital-to-analog converter enables
digital I2S audio stream input. It supports sample rates
from 44.1 kHz to 192 kHz.
Highly flexible output stage configurations are offered,
ranging from four single-ended outputs to a single
parallel-BTL output.
The MA12070P features protection against DC, short-
circuits, over-temperature and under-voltage
situations.
Flexible “Power Mode Profiles” allow the user to utilize
the multi-level switching technique for very low power
loss or very high audio performance.
Device communication and programming is controlled
through an I2C interface as well as dedicated control
pins.
Applications
• Battery Operated Speakers
• Wireless and Docking Speakers
• Soundbars
• Multiroom Systems
• Home Theater Systems
Features
• Proprietary Multi-level Switching Technology
◦ 3-level and 5-level modulation
◦ Low EMI emission
◦ Filterless amplification
◦ Digital Power Management Algorithm
• High Power Efficiency (PMP4)
◦ <160mW Idle power dissipation (26V PVDD,
all channels switching)
◦ >80% Efficiency at 2W power (1kHz sine, 8Ω)
◦ >92% Efficiency at Full Power (1kHz sine, 8Ω)
• Audio Performance (PMP2)
◦ >101dB DNR (A-w, rel. to 1% THD+N power
level)
◦ 140µV output integrated noise (A-w)
◦ 0.007% THD+N at high output levels
• 4
th
Order Feedback Error Control
◦ High suppression of supply disturbance
◦ HD audio quality
• Supply Voltages: +4V to +26V (PVDD) and +5V
(A/DVDD)
• Volume Control and Limiter
• 2x30W continuous output power (RL = 8Ω at 22V,
PMP4, 10% THD+N level, without heatsink)
• 2×80W peak output power (26V PVDD, R
L
= 4Ω,
10% THD+N level)
• 2.0, 2.1, 4.0, 1.0 Output Stage Configurations
• Protection
◦ Under-voltage-lockout
◦ Over-temperature warning/error
◦ Short-circuit/overload protection
◦ Power stage pin-to-pin short-circuit
◦ Error-reporting through serial interface (I2C)
◦ DC protection
• I2C control (four selectable addresses)
• Heatsink free operation with EPAD-down package
Package
• 64-pin QFN Package with exposed thermal pad
(EPAD) and Lead-free Soldering
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1 Ordering Information
Table 1-1
Part Number Package Moisture
Sensitivity Level Description
MA12070PQFN QFN-64 Level 3 Quad Flat No-leads package, EPAD-down (exposed thermal pad on
bottom side)
2 Known Issues and Limitations
Please refer to the “MA12070 / MA12070P Known Issues and Limitations” document for descriptions of issues and limitations relating
to device operation and performance.
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3 Typical Application Block Diagram
+
CGD0P
CGD0N
CGD1P
CGD1N
CFDCP
CFDCN
VGDC
CFGDP
CFGDN
/MUTE
/ENABLE
MSEL0
MSEL1
AD1
SCL
SDA
AD0
/CLIP
/ERROR
Channel configuration
Volume control
and limiter
I2S
reciever 1
I2S
reciever 0
Figure 3-1 Typical application block diagram
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4 Pin Description
4.1 Pinout MA12070PQFN
PVSS
PVSS
CF0AN
OUT0A
OUT0A
CF0AP
PVDD
PVDD
CF0BP
OUT0B
OUT0B
CF0BN
PVSS
PVSS
/CLIP
/ERROR
AVDD
CMSE
AVSS
CREF
SCK
WS
SD0
SD1
AVSS
DVSS
SCL
AD0
AD1
SDA
CLKM/S
CLK
PVSS
PVSS
CF1AN
OUT1A
OUT1A
CF1AP
PVDD
PVDD
CF1BP
OUT1B
OUT1B
CF1BN
PVSS
PVSS
/MUTE
/ENABLE
NC
CFGDN
CFGDP
CGD0N
CGD0P
DVSS
CFDCN
CFDCP
CDC
DVDD
VGDC
CGD1P
CGD1N
MSEL0
MSEL1
NC
exposed thermal
pad on bottom side
Pin 1
Indicator
47
1
45
46
43
44
41
42
39
40
37
38
35
36
33
34
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
Top view
Figure 4-1 Pinout MA12070PQFN
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4.2 Pin Function
Table 4-1
Pin No. Name Type
1
Description
1 PVSS P Power ground for internal power amplifiers
2 PVSS P Power ground for internal power amplifiers
3 CF0AN P Connect to external flying capacitor negative terminal for amplifier channel 0A
4 OUT0A O Audio power output 0A
5 OUT0A O Audio power output 0A
6 CF0AP P Connect to external flying capacitor positive terminal for amplifier channel 0A
7 PVDD P Power supply for internal power amplifiers
8 PVDD P Power supply for internal power amplifiers
9 CF0BP P Connect to external flying capacitor positive terminal for amplifier channel 0B
10 OUT0B O Audio power output 0B
11 OUT0B O Audio power output 0B
12 CF0BN P Connect to external flying capacitor negative terminal for amplifier channel 0B
13 PVSS P Power ground for internal power amplifiers
14 PVSS P Power ground for internal power amplifiers
15 /CLIP O Audio clipping indicator (open drain output), pulled low when clipping occurs
16 /ERROR O Error indicator (open drain output), pulled low when an error occurs
17 AVDD P Power supply for internal analog circuitry
18 CMSE O Decoupling pin for internally generated common-mode voltage in SE configuration.
Should be externally decoupled to AVSS. Can be left floating for 2 x BTL and PBTL
configurations.
19 AVSS P Ground for internal analog circuitry
20 CREF O Decoupling pin for internally generated analog reference voltage. Should be externally
decoupled to AVSS.
21 SCK I I2S, digital audio serial clock. Must be synchronized to CLK
22 WS I I2S, digital audio word select. Must be synchronized to CLK
23 SD0 I I2S, digital audio serial data pair 0
24 SD1 I I2S, digital audio serial data pair 1
25 AVSS P Ground for internal analog circuitry
26 DVSS P Ground for internal digital circuitry
27 SCL IO I2C bus serial clock
28 AD0 I I2C device address select 0 (see “MCU/Serial control interface” section)
29 AD1 I I2C device address select 1 (see “MCU/Serial control interface” section)
30 SDA IO I2C bus serial data
31 CLKM/S I Reserved - must be pulled low
32 CLK I Clock input. Must be present before enabling the amplifier.
33 /ENABLE I When pulled high, the device is reset and kept in an inactive state with minimum power
consumption.
34 /MUTE I Mute audio output when pulled low
35 PVSS P Power ground for internal power amplifiers
36 PVSS P Power ground for internal power amplifiers
37 CF1BN P Connect to external flying capacitor negative terminal for amplifier channel 1B
38 OUT1B O Audio power output 1B
39 OUT1B O Audio power output 1B
40 CF1BP P Connect to external flying capacitor positive terminal for amplifier channel 1B
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Pin No. Name Type
1
Description
41 PVDD P Power supply for power amplifiers
42 PVDD P Power supply for power amplifiers
43 CF1AP P Connect to external flying capacitor positive terminal for amplifier channel 1A
44 OUT1A O Audio power output 1A
45 OUT1A O Audio power output 1A
46 CF1AN P Connect to external flying capacitor negative terminal for amplifier channel 1A
47 PVSS P Power ground for internal power amplifiers
48 PVSS P Power ground for internal power amplifiers
49 NC P Internally connected to DVDD
50 MSEL1 I SE/BTL/PBTL configuration select 1
51 MSEL0 I SE/BTL/PBTL configuration select 0
52 CGD1N P Connect to external decoupling capacitor negative terminal for internal gate driver
power supply 1
53 CGD1P P Connect to external decoupling capacitor positive terminal for internal gate driver
power supply 1
54 VGDC P Internally generated virtual ground voltage for digital core. Should be decoupled to
DVDD.
55 DVDD P Power supply for internal digital circuitry and charge pumps
56 CDC P Connect to external decoupling capacitor for digital core internal power supply
57 CFDCP P Connect to external flying capacitor positive terminal for internal digital core power
supply
58 CFDCN P Connect to external flying capacitor negative terminal for internal digital core power
supply
59 DVSS P Power ground for internal digital circuitry
60 CGD0P P Connect to external decoupling capacitor positive terminal for internal gate driver
power supply 0
61 CGD0N P Connect to external decoupling capacitor negative terminal for internal gate driver
power supply 0
62 CFGDP P Connect to external flying capacitor positive terminal for internal gate driver power
supplies
63 CFGDN P Connect to external flying capacitor negative terminal for internal gate driver power
supplies
64 NC P Internally connected to DVDD
Type
1
: P = Power; I = Input; O = Output; IO = Input or Output
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5 Absolute Maximum Ratings
Table 5-1
Parameter Value Unit
Power Supplies
Power stage supply voltage, PVDD -0.5 to +27.5 V
System supply voltage, DVDD, AVDD -0.5 to +6.0 V
Input / Output
Analog: IN0A, IN0B, IN1A, IN1B -0.5 to +6.0 V
Logic: /ENABLE, /MUTE, /ERROR, /CLIP, MSEL0, MSEL1 -0.5 to +6.0 V
Clock: CLKIO, CLKM/S -0.5 to +6.0 V
Interface: SCL, SDA, AD0, AD1 -0.5 to +6.0 V
Output current, Logic and Interface 25 mA
Thermal Conditions
Ambient temperature range, T
A
-40 to +85 °C
Junction temperature range, T
J
-40 to +150 °C
Storage temperature range -65 to +150 °C
Thermal resistance, Junction-to-Ambient 23 °C/W
Thermal resistance, Junction-to-EPAD 2.3 °C/W
Lead soldering temperature, 10s +300 °C
Electrostatic Discharge (ESD)
Human body model (HBM) ± 2000 V
Charged device model (CDM) ± 1000 V
PLEASE NOTE:
Device usage beyond the above stated ratings may cause permanent damage to the device. Permanent usage at the above stated ratings may limit
device lifetime and result in reduced reliability. This is a stress rating only; functional operation of the device at these or any other conditions above
those indicated in the operational section of this specification is not implied.
See “Recommended Operation Conditions” for continuous functional ratings.
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6 Recommended Operating Conditions
Table 6-1
Symbol Parameter Min Typ Max Unit
PVDD Power Stage Power Supply 5
26 V
DVDD Digital Power Supply 4.75 5 5.25 V
AVDD Analog Power Supply 4.75 5 5.25 V
V
IH
High Level for Logic, Clock, Interface 2
V
V
IL
Low Level for Logic, Clock, Interface
0.8 V
V
IN_dc
DC Offset Level for Analog Inputs 1.2 2.5 3.8 V
V
IN_ac
Audio Signal Level for Analog Inputs
1.8
Vpp
R
L
(BTL) Minimum Load in Bridge-Tied Load Mode 3.2 4
Ω
R
L
(PBTL) Minimum Load in Parallel Bridge-Tied Load Mode 1.6 2
Ω
R
L
(SE) Minimum Load in Single Ended Mode 2.4 3
Ω
L
Leq
Minimum required equivalent load inductance per
output pin for short circuit protection 0.5 µH
T
A
Ambient temperature range 0 +25 +85 °C
Note: Minimum Load resistance was measured in Filterless output condition.
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7 Electrical and Audio Characteristics
Table 7-1
Power Mode Profile = 0; VDD (Analog & Digital) = +5V; PVDD = +26V; T
A
= 0°C to +85°C. Typical values are at T
A
= +25°C
Symbol Parameter Conditions Min Typ Max Unit
P
OUT
(BTL)
Output Power per channel (peak),
Without Heatsink,
see Note 1
THD+N = 10%, RL
= 8Ω, f = 1kHz 45 W
THD+N = 10%, RL
= 4Ω, f = 1kHz 80 W
THD+N = 1%, RL
= 8Ω, f = 1kHz 35 W
THD+N = 1%, RL
= 4Ω, f = 1kHz 60 W
Output Power per channel
(continuous) Without Heatsink,
see Note 2
RL
= 8Ω, f = 1kHz, PVDD = +22V 30 W
P
OUT
(PBTL) Output Power (peak),
see Note 1
THD+N = 10%, RL
= 2Ω, f = 1kHz 160 W
THD+N = 1%, RL
= 2Ω, f= 1kHz 120 W
P
OUT
(SE) Output Power per channel (peak),
see Note 1
THD+N = 10%, RL
= 4Ω, f = 1kHz 20 W
THD+N = 10%, RL
= 3Ω, f = 1kHz 25 W
THD+N = 1%, RL
= 4Ω, f = 1kHz 15 W
THD+N = 1%, RL
= 3Ω, f = 1kHz 20 W
T
ENABLE
Shutdown/Full Operation Timing NENABLE = 1
→
0 1 ms
T
MUTE
Mute/Unmute Timing NMUTE = 1
→
0 and 0
→
1 0.3 ms
V
OS
Output Offset Voltage ±200 mV
PSRR Power Supply Rejection Ratio ± 100mVpp ripple voltage 70 dB
R
on
Resistance, switch on 0.10 0.15 0.20 Ω
f
SW
Power MOSFET Switching
Frequency,
see Note 3
Power Mode A 618 672 726 kHz
Power Mode B & C 316 336 356 kHz
Power Mode D 158 168 178 kHz
f
CLK_IO
Clock Output Frequency 2.7151 2.8224 2.9296 MHz
I
OUT
Maximum Output Current 8 A
X
Talk
Crosstalk BTL, POUT = 1W, f=1kHz, Ch1 & 2 -108 dB
Note 1: The thermal design of the target application will significantly impact the ability to achieve the peak output power levels for extended time.
See “Thermal Characteristics and Test Signals” section for thermal optimization recommendations.
Note 2: Continuous power measurements were performed on the MA12070/MA12070P proprietary Amplifier EVK without heatsinking at 25⁰C
ambient temperature in Power Mode Profile 4.
Note 3: Power MOSFET switching frequency depends on which properties are assigned to the individual power modes of the device. Detailed
information on this can be found in “Power Mode Management” section.
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Table 7-2
VDD (Analog & Digital) = +5V; PVDD = +26V; Typical values are at T
A
= +25°C; Output Configuration: BTL
Symbol Parameter Conditions Min Typ Max Unit
η Efficiency POUT
= 2×40W, 8Ω , PMP = 0 91 %
POUT
= 2×40W, 8Ω , PMP = 1 91 %
POUT
= 2×40W, 8Ω , PMP = 2 89 %
POUT
= 2×40W, 8Ω , PMP = 4 92 %
POUT
= 2×80W, 4Ω , PMP = 0 87 %
POUT
= 2×80W, 4Ω , PMP = 1 87 %
POUT
= 2×80W, 4Ω , PMP = 2 86 %
POUT
= 2×80W, 4Ω , PMP = 4 88 %
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Table 7-3
Power Mode Profile = 0; VDD (Analog & Digital) = +5V; PVDD = +26V; T
A
= 0°C to +85°C. Typical values are at T
A
= +25°C.
Symbol Parameter Conditions Min Typ Max Unit
I
shutdown
Current Consumption, PVDD Shutdown 10 35 180 µA
I
idle,mute
Current Consumption, PVDD Idle, mute 4 6 12 mA
I
idle,unmute
Current Consumption, PVDD Idle, unmute, inputs grounded 4 9 18 mA
I
DVDD+AVDD
Current Consumption, AVDD+DVDD Idle, unmute, inputs grounded 30 35 42 mA
THD+N Total Harmonic Distortion + Noise
1kHz, POUT
= 1W, RL
= 4Ω 0.013 %
1kHz, POUT
= 20W, RL
= 4Ω 0.014 %
DNR Dynamic Range
1
20-20kHz, A-weighted 100 dB
V
noise
Output integrated noise level 20-20kHz, A-weighted 105 150 190 µVrms
Table 7-4
Power Mode Profile = 2; VDD (Analog & Digital) = +5V; PVDD = +26V; T
A
= 0°C to +85°C. Typical values are at T
A
= +25°C.
Symbol Parameter Conditions Min Typ Max Unit
I
shutdown
Current Consumption, PVDD Shutdown 10 35 180 µA
I
idle,mute
Current Consumption, PVDD Idle, mute 4 6 12 mA
I
idle,unmute
Current Consumption, PVDD Idle, unmute, inputs grounded 4 11 22 mA
I
DVDD+AVDD
Current Consumption, AVDD+DVDD Idle, unmute, inputs grounded 33 38 45 mA
THD+N Total Harmonic Distortion + Noise
1kHz, POUT
= 1W, RL
= 4Ω 0.012 %
1kHz, POUT
= 20W, RL
= 4Ω 0.016 %
DNR Dynamic Range
1
20-20kHz, A-weighted 101 dB
V
noise
Output integrated noise level 20-20kHz, A-weighted 110 140 170 µVrms
1
Output power at THD+N < 1% reference to noise floor at -60dBFS signal.
NOTE:
MA12070P gives users the freedom to choose Power Mode Profiles (PMP) independently. As noted in the specifications table, the choice in
power mode profiles gives a trade-off between power efficiency and audio performance as an individual set of performance characteristics. See
“Power Mode Profiles” section for more details.
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8 Functional description
Multi-level modulation
The power stage of the MA12070P is a true multi-level switching topology. Each half-bridge is capable of delivering a
PWM output with three voltage levels, rather than the conventional two. The three-level half-bridges are each driven
with a two-phase PWM signal, so that the switching frequency seen at the PWM output is twice that of the individual
power MOSFET switching frequency.
For very low EMI in BTL configuration, the two half-bridges are operated in a complementary fashion (i.e. with 240⁰
phase shift), which removes common-mode PWM output content. This configuration is ideal for driving long speaker
cables without an output filter. Differentially, this modulation method drives the filter/load assembly with three PWM
levels.
For reduced power loss in the BTL configuration, the half-bridges can also be driven in a quadrature phase shifted
fashion (i.e. with 90⁰ phase shift). This provides a total of five PWM levels at the load, along with a quadrupling of
MOSFET switching frequency with respect to the differential PWM switching frequency. With this modulation scheme,
the MOSFET switching frequency can therefore be lowered, in order to decrease switching losses. The five-level
modulation scheme produces a common-mode voltage on the load wires, but with less high-frequency content
compared to conventional two-level BD modulation.
The multi-level switching topology of the MA12070P makes filterless operation viable, since the modulation schemes
ensure little or no idle losses in the speaker magnetic system.
For applications with stringent EMC requirements or long speaker cables, the MA12070P can operate with a very small
and inexpensive EMI/EMC output filter. This is enabled by the multiple PWM output levels and the frequency
multiplication seen on the PWM switching nodes. Notably, with the multi-level modulation of the MA12070P, there is
no tradeoff between idle power loss and inductor cost/size, which is due to the absence of inductor ripple current under
idle conditions in all configurations. Due to the high filter cutoff frequency, non-linearities of LC components have less
impact on audio performance than with a conventional amplifier. Therefore, the MA12070P can operate with
inexpensive iron-powder cored inductors and ceramic (X7R) filter capacitors with no significant audio performance
penalty.
Very low power consumption
The MA12070P achieves very low power loss under idle and near-idle operating conditions. This is due to the zero idle
ripple property of the multi-level PWM scheme, in combination with the programmable automatic reduction of
switching frequency at low modulation index levels; resulting in a state-of-the-art power efficiency at low and medium
output power levels.
For high output power levels, power efficiency is determined primarily by the on-resistance (Rds
on
) of the output power
MOSFETs. With music and music-like (e.g. pink noise) output signals with high crest factor, the reduced near-idle losses
of the MA12070P contribute to reducing power losses compared to a conventional amplifier with the same Rds
on
. In
most applications, this allows the MA12070P to run at high power levels without a heatsink.
Power Mode Management
The MA12070P is equipped with an intelligent power management algorithm which applies automatic power mode
selection during audio playback. In this state, the amplifier will seamlessly transition between three different power
modes depending on the audio level in order to achieve optimal performance in terms of power loss, audio performance
and EMI. Figure 8-1 shows an illustration of the basic power mode management. Alternatively, it is possible to manually
select the desired power mode for the MA12070P via the serial interface.
In both manual and automatic power mode selection, the power mode can be configured and set on-the-fly during
audio playback, with no audible artifacts. This makes it possible to optimize the target application to achieve the best
possible operating performance at all audio power levels.
During automatic power mode selection, the MA12070P can transition between power modes at programmable audio
level thresholds. The thresholds can be set via the serial control interface, by addressing the associated registers.
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Low to
moderate Medium High Max
Power mode
change
Audio level
1 2 3
Power mode
change
Power mode
Figure 8-1 Illustration of automatic power mode selection ranges.
To allow easy use of the power mode management, “Power Mode Profiles” have been defined. The “Power Mode
Profiles” address the appropriate power modes for a variety of applications.
Power Modes Profiles
The MA12070P provides 5 different power mode profiles for operating the internal power amplifiers. The power mode
profiles give the user freedom to choose optimal settings of the amplifier for the intended application.
The available power modes profiles are referred to as 0, 1, 2, 3 and 4 and can be set by programming the according
register (see). The power mode profile selection affects various parameters such as switching frequency, modulation
scheme and loop-gain, thus providing flexibility in design tradeoffs such as audio performance, power loss and EMI.
Table 8-1 shows the characteristics of the power mode profiles.
Table 8-1 Power Mode Profile characteristics
Property Profile 0 Profile 1 Profile 2 Profile 3 Profile 4
PM switch seq. D↔D↔C B↔B↔B B↔B↔A D↔B↔A D↔D↔D
Idle loss Very low Low Low Very low Very low
Full scale
efficiency Good Good Good Normal Best
THD+N Good Best Best Good/Best Good
Common-mode
content, idle Only DC Only DC Only DC Only DC Only DC
Common-mode
content, full-scale
audio
Only DC
DC + Sidebands
around 600kHz,
1.8MHz, 3.0MHz,
etc.
Only DC Only DC
DC + sidebands
around 300kHz,
900kHz, 1.5MHz,
etc.
Differential
content low-to-
mid-power
Audio + sidebands
around multiples
of 1.2MHz
Audio + sidebands
around multiples
of 1.2MHz
Audio + sidebands
around multiples
of 1.2MHz
Audio + sidebands
around multiples
of 600kHz
Audio + sidebands
around multiples
of 600kHz
Differential
content mid-to-
high power
Audio + sidebands
around multiples
of 600kHz
Audio + sidebands
around multiples
of 1.2MHz
Audio + sidebands
around multiples
of 1.2MHz
Audio + sidebands
around multiples
of 1.2MHz
Audio + sidebands
around multiples
of 600kHz
Application
Filterfree:
optimized
efficiency, default
applications
Filterfree:
optimized audio
performance,
active speaker
applications
Filterfree:
optimized audio
performance,
default
applications
LC filter: high
efficiency, high
audio perform-
ance, good EMI,
low ripple loss
Filterfree:
optimized
efficiency, active
speaker
applications
Note: There is a programmable “Profile 5” which allows the user to set up a custom profile.
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The first row of Table 8-1 shows that each Power Mode Profile follows a certain Power Mode transition sequence. This
means that each Power Mode within every Power Mode Profile will have its specific set of properties (A, B, C or D).
The exact details of each assigned set of properties is reflected in Table 8-2.
Table 8-2 Set of properties assigned to Power Modes in the selectable Power Mode Profiles
Property A B C D
FET switching
frequency, f
FET
600kHz 300kHz 300kHz 150kHz
Modulation scheme 3-level 5-level 3-level 5-level
Switching frequency
seen at load, f
SW
1.2MHz (2 x f
FET
) 1.2MHz (4 x f
FET
) 600kHz (2 x f
FET
) 600kHz (4 x f
FET
)
Idle loss Reduced Low Low Very low
Full scale efficiency Normal Good Good Best
Open-loop gain High High Low Low
THD+N Best Best Good Good
Common-mode
content, idle Only DC Only DC Only DC Only DC
Common-mode
content, full-scale
audio
Only DC
DC + sidebands around
600kHz, 1.8MHz,
3.0MHz, etc.
Only DC
DC + sidebands around
300kHz, 900kHz,
1.5MHz, etc.
Differential content
Audio + sidebands
around multiples of
1.2MHz
Audio + sidebands
around multiples of
1.2MHz
Audio + sidebands
around multiples of
600kHz
Audio + sidebands
around multiples of
600kHz
Next to the pre-defined Power Mode Profiles it is also possible to define a custom profile which will be available under
Power Mode Profile 5. This profile can be configured using the “custom power mode profile” register (address 30). See
“Register Map” section for more details.
The MA12070P employs feedback of the output PWM signals in order to compensate for noise and other non-idealities
in the power processing path. A fourth-order analog feedback loop is used, which typically provides a loop gain of 60dB
to suppress errors in the audio band. For the typical high efficiency application this results in low THD (Total Harmonic
Distortion) at all audio frequencies, as well as excellent immunity (in excess of 75dB) to power supply borne
interferences.
Maximum achievable loop-gain is typically set by the PWM frequency stability criteria. Inherent frequency multiplication
of the multilevel topology therefore allows for a much more aggressive loop-filter (and therefore better THD and noise
properties) because of a higher effective PWM switching frequency seen at the output. See “Profile 0 and Profile 2” in
Table 8-1 for high-fidelity Power Mode Profiles.
For the lowest switching frequencies, the proprietary loop filter architecture seamlessly reduces feedback bandwidth
to ensure loop stability. In most applications (e.g. filterless applications), no further special attention is required to
ensure loop stability. In applications with very stringent EMI requirements, an LC filter can be used. In these cases
attention to loop stability is required since an un-damped LC filter effectively represents a short-circuit to ground at the
resonance frequency. In extreme cases, this can cause instability of the analog feedback loops. In order to avoid this, an
LC filter should use an inductor with more than 10m
Ω
DC resistance, and a series R-C circuit should be used to limit the
Q of the LC circuit to around 5.
Power supplies
The MA12070P generates internal supply voltages and uses external capacitors for this purpose and for decoupling.
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Gate driver supplies
The MA12070P utilizes a floating supply voltage for the gate driver circuitry generated internally by a charge pump. The
gate driver power supply voltage is approximately 6V to 9V higher than PVDD. For PVDD voltages of 24V and higher it is
recommended to add decoupling capacitors (1uF & 100nF) from CGD0N & CGD1N to GND for improved power supply
robustness. Table 8-3 shows the required external charge pump and decoupling capacitors.
Table 8-3 Gate driver supply capacitors
Name Purpose Connection Type Value
C
GD0
Decoupling of gate driver supply voltage 0 CGD0P, CGD0N 16V, high capacity, low precision 1uF
C
GD1
Decoupling of gate driver supply voltage 1 CGD1P, CGD1N 16V, high capacity, low precision 1uF
C
FGD
Charge pump flying capacitor CFGDP, CFGDN 50V, high capacity, low precision 100nF
C
GD0N
Decoupling of gate driver supply voltage 0 CGD0N, GND 50V, high capacity, low precision 1uF, 100nF
C
GD1N
Decoupling of gate driver supply voltage 1 CGD1N, GND 50V, high capacity, low precision 1uF, 100nF
Digital core supply
The digital control unit in the MA12070P uses a supply voltage generated internally by a charge pump and a voltage
regulator for highest efficiency. Table 8-4 lists the external capacitors required and describes their function and
connection.
Table 8-4 Digital supply capacitors
Name Purpose Connection Type Value
C
DC
Charge pump output voltage decoupling to GND CDC, GND >=6.3V, high capacity, low precision 1uF
C
FDC
Charge pump flying capacitor CFDCP, CFDCN >=6.3V, high capacity, low precision 1uF
C
GDC
Decoupling of digital core virtual ground voltage
on the VGDC pin. The voltage on the VGDC pin is
approximately 1.8V below DVDD, i.e. about 3.2V
VGDC, DVDD >=6.3V, high capacity, low precision 1uF
Flying capacitors
The MA12070P power stage uses flying capacitors to generate a ½PVDD supply voltage to enable multi-level operation.
Each output switch node OUTXX has a corresponding flying capacitor, with a positive and a negative terminal, CFXXP
and CFXXN.
The two flying capacitor terminals are to be considered high power switching nodes carrying voltages and currents
similar to that on the OUTXX nodes. Care must be taken in the PCB design to reduce both the inductance and the
resistance of these nodes. Table 8-5 lists the flying capacitors, incl. connection, type and value.
Table 8-5 Flying capacitors
Name Purpose Connection Type Value
C
F0A
Half-bridge 0A flying capacitor CF0AP, CF0AN >=25V, high capacity, low precision 10uF
C
F0B
Half-bridge 0B flying capacitor CF0BP, CF0BN >=25V, high capacity, low precision 10uF
C
F1A
Half-bridge 1A flying capacitor CF1AP, CF1AN >=25V, high capacity, low precision 10uF
C
F1B
Half-bridge 1B flying capacitor CF1BP, CF1BN >=25V, high capacity, low precision 10uF
Care must be taken when choosing flying capacitors in applications where maximum output power is needed. The
effective capacitance of poor ceramic capacitors can be greatly reduced when a DC bias voltage is applied. A
recommended part is the GRM21BZ71E106KE15L capacitor from Murata. Other parts may also be used as long as the
effective capacitance is minimum 4.0 µF at 0.5*PVDD voltage.
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Protection
The MA12070P integrates a range of protection features to protect the device and attached speakers from damage.
Protection features include:
Current protection on OUTXX nodes during operation.
On-chip temperature sensor for protection against device over-heating.
Undervoltage supply monitors on AVDD, DVDD, VGDC and PVDD.
DC protection, preventing DC to be present on the amplifier outputs.
Over-current protection on OUTXX nodes
During switching operation the output stage monitors the forward current flow in all output switches that are turned
on. This is done to limit the maximum power dissipated in the switches and prevent damage to the device and the
speaker load. The current in the output stage can exceed unwanted levels if:
The speaker load impedance drops to a low value while the device is powered from a high PVDD supply.
A failure occurs on the speaker terminals causing a low impedance short.
The speaker is damaged and thereby exhibiting a low impedance.
Over-current protection and short-circuit protection use a latching mechanism. If an over current or a short-circuit
condition occurs, it will shut down the power stage and report the error on the /ERROR pin. By default the device will
restart. Current limiting will not occur for currents below the OCE
THR
level, see Table 7-1.
Current protection against speaker terminal shorts requires an equivalent load inductance L
Leq
on each of the output
OUTXX pins (see Table 6-1). Load inductance from loudspeaker cables and, if used, ferrite beads (EMC filter) will typically
be sufficient.
Temperature protection
An on-chip temperature sensor effectively safeguards the device against a thermally induced failure due to overloading
and/or insufficient cooling.
A high junction temperature initially causes a temperature warning, TW. This can be detected by reading the error
register (address 124, bit 4) via I2C. If the temperature continues to rise the device will reach the temperature error (TE)
level and set the TE bit in the error register (address 124, bit 5). This will cause the device to stop all switching activity.
The device will restart after sufficient cooling down of the system. Both TW and TE will report the error on the /ERROR
pin.
Table 8-6 High-Temperature Warning and Error Signaling Levels
Symbol Parameter Test Conditions Typical Value Unit
TE
THR,SET
High-Temperature Error (TE) Set Threshold Temperature rising 150 °C
TE
THR,CLR
High-Temperature Error (TE) Clear Threshold Temperature falling 135 °C
TW
THR,SET
High-Temperature Warning (TW) Set Threshold Temperature rising 125 °C
TW
THR,CLR
High-Temperature Warning (TW) Clear Threshold Temperature falling 105 °C
Power supply monitors
The MA12070P features integrated PVDD, DVDD and AVDD under-voltage lockout.
Table 8-7 shows typical limits for the supply monitors.
Table 8-7 Under-voltage lockout levels
Parameter Test Conditions Typical Value Unit
UVP
DVDD
DVDD under-voltage error threshold DVDD Rising 4.2 V
DVDD Falling 4.0 V
UVP
AVDD
AVDD under-voltage error threshold AVDD Rising 4.2 V
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AVDD Falling 4.0 V
UVP
PVDD
PVDD under-voltage error threshold PVDD Rising 4.3 V
PVDD Falling 4.1 V
DC protection
The MA12070P incorporates a circuit, detecting whether a DC is present on the amplifier output terminals driving the
loudspeaker. In case of an unexpected DC being present on any of the amplifier outputs, the power stage will be shut
down to protect the loudspeaker from harmful DC content. Furthermore, a failure is reported on the /ERROR pin and in
the error register readable by the device serial interface. The power stage can be restarted by resetting the device by
cycling the /ENABLE pin or toggle the eh_clear bit (bit 2, address 45) to clear the error register. DC protection is default
on. It can be disabled by clearing bit 2 of Eh_dcShdn (address 0x26).
For the DC protection circuit to trigger, the DC value of an output pin must be staying above 0.63*PVDD or below
0.37*PVDD for more than 700ms. Digital serial audio input
Digital serial audio input
The MA12070P provides a digital serial audio interface for providing up to four input PCM audio signals to the amplifier.
The digital serial audio input port on the MA12070P consist of the pins SCK (serial clock), WS (word select), SD0 (serial
data 0 – input channels 0L and 0R), and SD1 (serial data 1 – input channels 1L and 1R). All pins are inputs, i.e. the serial
input port is slave. The format of the digital serial audio inputs can be configured using the serial control interface. The
timing diagram for left justified mode (default) are illustrated in Figure 8-2 and I2S mode in Figure 8-3. In the following
the various settings for the digital serial audio input interface are described.
Table 8-8 Parameters for the digital serial audio input interface
Address(bits) Register name Description
0x35(2-0) i2s_format PCM word format:
000: i2s
001: left justified (default)
100: right justified 16bits
101: right justified 18bits
110: right justified 20bits
111: right justified 24bits
0x36(0) i2s_sck_pol Clocking edge of the serial clock signal (SCK):
0: Serial data (SDX) and word select (WS) are changing at rising edge of the serial
clock signal (SCK). The MA12070P will capture data at the falling edge of the
serial clock signal SCK.
1: Serial data (SDX) and word select (WS) are changing at falling edge of the
serial clock signal (SCK). The MA12070P will capture data at the rising edge of
the serial clock signal SCK. (default)
0x36(4-3) i2s_framesize Number of data bits per frame:
00: 64 serial clock (SCK) cycles are present in each period of the word select
signal (WS). (default)
01: 48 serial clock (SCK) cycles are present in each period of the word select
signal (WS).
10: 32 serial clock (SCK) cycles are present in each period of the word select
signal (WS).
11: reserved
0x36(1) i2s_ws_pol Temporal pairing of the two PCM data words in the serial data signals:
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0: First word of a simultaneously sampled PCM data pair is transmitted while
word select (WS) is low. (default)
1: First word of a simultaneously sampled PCM data pair is transmitted while
word select (WS) is high.
0x36(2) i2s_order Bit order for PCM data words:
0: Most significant bit of the PCM data word is transmitted first. (default)
1: Least significant bit of the PCM data word is transmitted first.
0x36(5) i2s_rightfirst Left/right order of the two temporally paired PCM words:
0: Left PCM data word (of a simultaneously sampled PCM data pair) is send first.
(default)
1: Right PCM data word (of a simultaneously sampled PCM data pair) is send
first.
N N-1 1 0 N N-1 1 0 N
MSB LSB MSB LSB
SCK
SD0/SD1
WS
Left Channel 32 bits Right Channel 32 bits
1/FS
Figure 8-2 Timing diagram of left justified mode (default).
N N-1 1 0 N N-1 1 0
MSB LSB MSB LSB
Left Channel 32 bits Right Channel 32 bits
SCK
SD0/SD1
WS
1Bit
1/FS
Figure 8-3 Timing diagram of I2S mode with 2x32 bit.
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Volume and limiter processor (VLP)
The MA12070P incorporates a volume and limiter processor (VLP). The VLP is a dedicated digital signal processor
capable of processing up to four audio channels. Customized signal processing is used to ensure preservation of the
audio quality in all stages of the VLP.
Figure 8-4 shows a functional block diagram of the VLP. The VLP is capable of applying a high precision volume control
on the incoming audio signals. After volume scaling, the signals can be passed through high precision limiters to protect
the loudspeakers from overload or to avoid undesired clipping occurring due to bad signal or gain scaling (volume
overdrive). The VLP can also be programmed to reduce the signal level in case of a temperature warning event to
prevent a system shutdown caused by overheating.
Figure 8-4. Functional block diagram of the volume and limiter processor (VLP)
Volume control
The volume controls in the VLP are organized as a master volume, which applies gain on all channels and four channel
volumes, applying gain on each of the individual channels. The resulting gain for a channel will consequently be a
product of the master volume and the channel gain. To avoid undesired audible artifacts when changing the volume
settings, smoothing is performed on the resulting gain before applying it to the audio signal.
The master volume and the channel volume settings can be controlled via the serial control interface. Each volume
setting is represented by 10 bits. The 10 bits are organized as an 8-bit number giving the integer part of the gain in dB
(the digits before the decimal point) - and a 2-bit number giving the fractional part of the gain in dB (the digits after the
decimal point). The granularity of volume settings is 0.25dB. The mapping from the serial control interface register to
the gain is shown in Table 8-9.
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Table 8-9 VLP Mapping from register values to gain and level
Integer dB
register setting
Fractional dB
register setting VLP Gain/Level dB
dec Hex dec hex
0 (0x00) 0 (0x0) 24.00
0 (0x00) 1 (0x1) 23.75
… … … … …
22 (0x16) 3 (0x3) 1.25
23 (0x17) 0 (0x0) 1.00
23 (0x17) 1 (0x1) 0.75
23 (0x17) 2 (0x2) 0.50
23 (0x17) 3 (0x3) 0.25
24 (0x18) 0 (0x0) 0.00
24 (0x18) 1 (0x1) -0.25
24 (0x18) 2 (0x2) -0.50
24 (0x18) 3 (0x3) -0.75
25 (0x19) 0 (0x0) -1.00
… … … … …
167 (0xA7) 3 (0x3) -143.75
168 (0xA8) 0 (0x0) -144.00
… … … … …
255 (0xFF) 2 (0x2) -144.00
255 (0xFF) 3 (0x3) -144.00
Limiter
The limiter block in the VLP is capable of ensuring that the audio output level from the MA12070P is kept below a
programmable threshold level, regardless of the volume gain settings and signal level. This way, the limiter can protect
the loudspeakers against harmful signal levels and prevent severe degradation of audio quality, due to clipping caused
by volume over-drive of the audio system.
The input to output level characteristic for the limiter is illustrated on Figure 8-5. At input audio levels below the
threshold, the gain through the limiter is unity and consequently the limiter passes the signal unaffected. This is seen as
a 1:1 slope on the input to output level characteristic plot. If the input signal level increases above the threshold level,
the limiter reduces the gain correspondingly in order to reduce the output signal level to the threshold level. This way
the output signal level will generally not exceed the threshold.
The slew-rate of the limiter is finite and the output signal can therefore occasionally exceed the set threshold. When
the limiter reduces the gain (caused by the input signal level exceeding the threshold) the speed of gain reduction is
limited by an attack-time constant. Similarly, when the limiter restores the gain to unity after being active the speed of
gain increase is limited by a release-time constant. The attack-time constant and the release-time constant can be
controlled in three steps (“slow”, ”normal” and “fast”) via the serial control interface. An example of the attack and
release behavior for the limiter is shown in Figure 8-6.
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Input level (dBFS)
Output level (dBFS)
Threshold
Limiter bypassed
Limiter active
Figure 8-5 Input to Output level characteristic for the Limiter
Time
Level (dBFS)
Threshold
Input level
Output level
Attack Phase Release Phase
Unity gain
Gain (dB)
Time
Limiter gain
Figure 8-6 Example of limiter attack - and release behavior
VLP parameter interface
The parameters for the volume controls and limiters are accessible via the serial control interface. In Table 8-10 is shown
a list of parameters in the VLP.
Table 8-10 Parameters and status signals for the VLP accessible via the serial control interface.
Address
(bits) Register name Description
0x35 (5-4) audio_proc_release Controls the limiter release time. 00: slow, 01: normal, 10: fast
0x35 (7-6) audio_proc_attack Controls the limiter attack time. 00: slow, 01: normal, 10: fast
0x35 (3) audio_proc_enable Controls the processing bypass mux
When high use the VLP
When low: bypass the VLP
0x36 (6) audio_proc_ limiterEnable Controls the Limiter bypass mux
When high: use the limiter
When low: bypass the limiter
0x36 (7) audio_proc_mute Controls the mute mux
When high: mute the audio
When low: play as normal
0x40 vol_db_master Controls the integer dB gain for the master volume
1
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0x41 (1-0) vol_lsb_master Controls the fractional dB gain for the master volume (quarter dB’s)
1
0x42 vol_db_ch0 Controls the integer dB gain for channel 0L
1
0x43 vol_db_ch1 Controls the integer dB gain for channel 0R
1
0x44 vol_db_ch2 Controls the integer dB gain for channel 1L
1
0x45 vol_db_ch3 Controls the integer dB gain for channel 1R
1
0x46 (1-0) vol_lsb_ch0 Controls the fractional dB gain for channel 0R (quarter dBs)
1
0x46 (3-2) vol_lsb_ch1 Controls the fractional dB gain for channel 0L (quarter dBs)
1
0x46 (5-4) vol_lsb_ch2 Controls the fractional dB gain for channel 1R (quarter dBs)
1
0x46 (7-6) vol_lsb_ch3 Controls the fractional dB gain for channel 1L (quarter dBs)
1
0x47 thr_db_ch0 Controls the integer dBFS limiter threshold level for channel 0L
1
0x48 thr_db_ch1 Controls the integer dBFS limiter threshold level for channel 0R
1
0x49 thr_db_ch2 Controls the integer dBFS limiter threshold level for channel 1L
1
0x4A thr_db_ch3 Controls the integer dBFS limiter threshold level for channel 1R
1
0x4B (1-0) thr_lsb_ch0 Controls the fractional dBFS limiter threshold level for channel 0L(quarter dBFS)
1
0x4B (3-2) thr_lsb_ch1 Controls the fractional dBFS limiter threshold level for channel 0R(quarter dBFS)
1
0x4B (5-4) thr_lsb_ch2 Controls the fractional dBFS limiter threshold level for channel 1L(quarter dBFS)
1
0x4B (7-6) thr_lsb_ch3 Controls the fractional dBFS limiter threshold level for channel 1R(quarter dBFS)
1
0x7E (7-4) audio_proc_limiter_mon Indicates if limiters are active
Bit 4 high: limiter is active on channel 0L
Bit 5 high: limiter is active on channel 0R
Bit 6 high: limiter is active on channel 1L
Bit 7 high: limiter is active on channel 1R
0x7E (3-0) audio_proc_clip_mon Indicates if clipping occurs on the VLP output signals
Bit 0 high: clipping present on channel 0L
Bit 1 high: clipping present on channel 0R
Bit 2 high: clipping present on channel 1L
Bit 3 high: clipping present on channel 1R
1
See Table 8-9 for mapping.
Clock system
The MA12070P incorporates a clock system consisting of an input clock divider, a PLL, a low-jitter low-TC oscillator
(2.8224 MHz), and control logic. At the CLK input pin the MA12070P requires a clock signal that is in phase-lock with the
incoming digital serial audio samples. This CLK input signal provides the reference for the internal PLL through the input
clock divider circuit. The CLK frequency is auto-detected by the MA12070P, and when a valid frequency is detected, the
corresponding input divider ratio is selected to internally generate the correct reference clock to the PLL. The PLL divider
ratio is also selected as a function of the CLK base frequency (2.8224 or 3.072 MHz).
The clock for the internal DAC’s can be sourced from the PLL (use_int_dac_clk_reg = 1), or at some CLK rates, a divided
version of the CLK input (use_int_dac_clk_reg = 0). Valid combinations of audio sample rate (fs) and CLK frequency are
listed in Table 8-11 together with the possible use_int_dac_clk_reg setting, and the maximum number of supported
VLP channels.
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Table 8-11 Valid combinations of audio sample rate and CLK frequency
Also maximum number of supported VLP channels are shown
Audio sample rate (fs) CLK frequency use_int_dac_clk_reg No. VLP channels
44.1kHz 64 x fs = 2822.4kHz 1 4
128 x fs = 5644.8kHz 1 4
256 x fs = 11289.6kHz 0/1 4
512 x fs = 22579.2kHz 0/1 4
48kHz 64 x fs = 3072kHz 1 4
128 x fs = 6144kHz 1 4
256 x fs = 12288kHz 0/1 4
512 x fs = 24576kHz 0/1 4
88.2kHz 32 x fs = 2822.4kHz 1 2
64 x fs = 5644.8kHz 1 2
128 x fs = 11289.6kHz 0/1 2
256 x fs = 22579.2kHz 0/1 2
96kHz 32 x fs = 3072kHz 1 2
64 x fs = 6144kHz 1 2
128 x fs = 12288kHz 0/1 2
256 x fs = 24576kHz 0/1 2
176.4kHz 16 x fs = 2822.4kHz 1 None
32 x fs = 5644.8kHz 1 None
64 x fs = 11289.6kHz 0/1 None
128 x fs = 22579.2kHz 0/1 None
192kHz 16 x fs = 3072kHz 1 None
32 x fs = 6144kHz 1 None
64 x fs = 12288kHz 0/1 None
128 x fs = 24576kHz 0/1 None
MCU/Serial control interface
The I2C serial control interface of the MA12070P allows an I2C master to read and/or modify a wide range of device
parameters.
The I2C interface consists of four physical pins, SDA, SCL, AD0 and AD1. I2C decoder logic handles transaction protocol
and read/write access to the device register bank. SDA and SCL are standard bidirectional I2C slave pins for data and
clock, respectively. Both SDA and SCL must be pulled-up to a digital I/O (3.3V - 5V) with a 5k resistor on each pin and
operated in standard I2C mode up to 100 kbps transmission rate. Pins AD0 and AD1 are used to configure the 7-bit I2C
address of the device. The I2C address is decoded according to Table 8-12.
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Table 8-12 I2C address decoding
I2C device address AD1 pin AD0 pin 7-bit I2C address
0x20 0 0 0b0100000
0x21 0 1 0b0100001
0x22 1 0 0b0100010
0x23 1 1 0b0100011
The I2C interface enables read/write operations to the device register bank. The register bank is organized as a 128
entry, byte wide memory, holding device configuration and status registers. The address space from 0 to 80 holds
read/write registers and the address space from 96 to 127 are read only. The complete address map and description of
each register is presented in “Register Map” section.. Figure 8-7 shows the block schematic of the I2C interface between:
I2C bus and MA12070P (serial interface controller and the register bank).
SDA
SCL
AD0
AD1
Digital I/O
DVDD
I2C bus
MA12040
Read/Write
Read only
Serial interface
controller Register bank
Figure 8-7. I2C bus interface and register bank
I2C write operation
Each I2C transaction is initiated from a master by sending an I2C start condition followed by the 7-bit I2C device address
and cleared read/write bit. The device address and read/write bit is signaled on the SDA bus by pulling the bus to ground
indicating a ‘0’ or releasing the bus to indicate a ‘1’. The I2C SDA input is sampled by the device on the rising edge of the
SCL bus.
If the transmitted I2C address matches the configured address of the device, the device will acknowledge the request
by pulling the SDA bus to ground. The master samples the acknowledged bit from the device on the next rising edge of
SCL. The I2C initialization as described is shown in the waveform in Figure 8-8.
Figure 8-8. I2C init addressing sequence.
To complete the device register write operation, the master must continue transmitting the address and at least one
data byte. The device continues to acknowledge each byte received on the 9
th
SCL rising edge. Each additional data
written to the device is written to the next address in the register bank.
The write transaction is terminated when the master sends a stop signal to the device. The stop signal consists of a rising
edge on SDA during SCL kept high. Figure 8-9 shows a single write operation.
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Figure 8-9 I2C write operation.
I2C read operation
To read data from the device register bank, the read transaction is started by sending a write command to the I2C
address with the R/W bit cleared, followed by the device address to read from. See Figure 8-10.
Figure 8-10 I2C read transaction, register bank to be read from is written to the device.
The device will acknowledge the two bytes. Then data can be fetched from the device by sending a repeated start,
followed by an I2C read command consisting of a byte with the device I2C address and the R/W bit set.
The device will acknowledge the read request and start to drive the SDA bus with the bits from the requested register
bank address. See Figure 8-11.
Figure 8-11 I2C read transaction last part.
The read transaction continues until the master does not acknowledge the 9
th
bit of the data read byte transaction and
sends a stop signal. The stop condition is defined as a rising edge of SDA while SCL is high. Timing requirements are
reflected in Table 8-13.
Table 8-13 I2C timing requirements
Parameter Min Typ Max Unit
Clock frequency
1
0 100 400 kHz
SDA and SCL rise time 1 µs
SDA and SCL fall time 1 µs
SCL clock high 1 µs
SCL clock low 1 µs
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Data, setup 300 ns
Data, hold 10 ns
Min stop to start condition 1 µs
NOTE
1
: Pull up resistance is equal to 2.2kΩ
for 400kHz.
/CLIP pin and soft-clipping
The /CLIP pin changes from a HIGH state to LOW state when audio output is close to clipping. A system microcontroller
can at this instance decrease volume level or, if possible, increase power stage voltage in order to avoid clipping. The
associated modulation index for both channel 0 and channel 1 can be read out by reading address 98 and address 102
respectively. Note that /CLIP pin is an open-drain output which means that it should be pulled-up through a pull-up
resistor to the digital I/O DVDD of the system.
To minimize possible audible artifacts from sticky clipping or ringing around the clipping region, it is possible to enable
a soft-clipping scheme. This clipping scheme prevents the amplifier to sticky clip and minimizes ringing which
subsequently minimizes possible audible artifacts apart from normal clipping audibility. The soft-clipping scheme can
be enabled by setting bit 7 of address 10.
/ERROR pin and error handling
The /ERROR pin changes from a HIGH state to a LOW state when one of the associated error sources is triggered. A
system microcontroller can at this instance read out the error registers (address 45 and 109). According to the type of
error or warning the right measures can be taken. The errors will be shown in the error register (address 124) which
shows the live status of the error sources. Another register error_acc (address 109) will contain all the errors
accumulated over time. The error_acc register can be cleared by toggling the eh_clear bit (bit 2, address 45).
Table 8-14 shows the content of the error vector which is mapped to both the error register and the accumulated error
register. A more detailed explanation can be found in “Register Map” section.
Table 8-14 Error vector
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
dc_prot pps ote otw uvp pll ocp fcov
Note that the /ERROR pin has an open-drain output and should be pulled up to the interface I/O rail.
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9 Application Information
Input/Output Configurations
The MA12070P is highly flexible regarding configuration of the four power amplifier channels. MA12070P can be set to
four different output configurations. By setting the configuration pins MSEL0 and MSEL1 according to Table 9-1, the
device is configured to one of the four different configurations. Each configuration is individually described in the
following sections.
Table 9-1 Signal configuration
MSEL0 pin MSEL1 pin Configuration
0 0 1 channel parallel bridge tied load (PBTL)
0 1 2 channels single ended load (SE) and 1 channel bridge tied load (BTL)
1 0 2 channels bridge tied load (BTL)
1 1 4 channels single ended load (SE)
Bridge Tied Load (BTL) Configuration
In BTL configuration, two input- and output terminals are used per channel as shown in Figure 9-1. This way two
power stage half-bridges are used to form one differential output configuration. This configuration will enable the full
potential of multi-level technology where the speaker load will experience up to 5 levels. This enables low near-idle
power consumption and beneficial noise properties.
EMC filter
depending on
application
5V
SD1
OUT0A
OUT0B
OUT1A
OUT1B
MSEL0
MSEL1
SD0
WS
SCK
Data pair 0
(0L,0R)
Audio source
Serial clock
CLK
Word select
Master clock
(master) (slave)
Figure 9-1 Bridge tied load (BTL) configuration, with symmetrical audio sources.
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Single Ended (SE) Configuration
In single ended (SE) configuration, the MA12070P is able to drive one loudspeaker per output power stage, i.e. up to
four loudspeakers. The output is biased to half the power supply voltage, ½ PVDD. One of the solutions to drive a speaker
in this configuration is to use AC-coupling capacitors (C
out)
in series with the load, as shown in Figure 9-2. The value of
the capacitors depends on the load resistance and the desired audio bandwidth.
Table 9-2 shows examples of AC-coupling capacitor values. The DC voltage across the capacitors at the output is
approximately ½PVDD. However, significant AC-voltage swing might occur at low frequencies, which must be accounted
for in the voltage rating of the capacitors.
C
out
OUT0A
OUT0B
OUT1A
OUT1B
C
out
C
out
C
out
+
+
+
+
EMC filter
depending on
application
MSEL0
MSEL1
5V5V
SD0
SD1
WS
SCK
Data pair 0
(0L,0R)
Audio source
Serial clock
CLK
Data pair 1
(1L,1R)
Word select
Master clock
(master) (slave)
Figure 9-2 Four channel, single ended (SE) configuration.
Table 9-2 Typical values for the output AC-coupling capacitor, C
out
Load Resistance Output AC-coupling
capacitor, C
out
-3dB frequency
8Ω 220µF 90Hz
8Ω 1000µF 20Hz
4Ω 2200µF 24Hz
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Combined SE and BTL Configuration
A combination of SE and BTL configuration can be used as shown in Figure 9-3. In this configuration two half-bridges are
combined to run in BTL configuration and the two remaining half-bridges are configured to run in SE configuration.
EMC filter
depending on
application
C
out
C
out
+
+
5V
OUT0A
OUT0B
OUT1A
OUT1B
MSEL0
MSEL1
SD0
SD1
WS
SCK
Data pair 0
(0L,dummy)
Audio source
Serial clock
CLK
Data pair 1
(1L,1R)
Word select
Master clock
(master) (slave)
Figure 9-3 Combined Bridge tied load (BTL) and single ended (SE) configuration, with SE audio sources
Parallel Bridge Tied Load (PBTL)
For providing additional power the MA12070P can be configured for mono operation using a parallel BTL mode (PBTL),
as shown in Figure 9-4. In this fashion the two BTL output stages are combined to be able to deliver twice the current.
This makes high output power sub-woofer application possible.
EMC filter
depending on
application
OUT0A
OUT0B
OUT1A
OUT1B
MSEL0
MSEL1
SD0
SD1
WS
SCK
Data pair 0
(0L,dummy)
Audio source
Serial clock
CLK
Word select
Master clock
(master) (slave)
0L
Figure 9-4 Parallel Bridge Tied Load (PBTL) configuration
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EMC output filter Considerations
The proprietary 5-level modulation significantly reduces EMC emissions, and the amplifiers can pass the Radiated
Emission test with speaker cables lengths up to 80 cm with just a small ferrite filter. For cables longer than 80 cm it is
recommended to use a LC-filter.
For more information regarding filter type, components and measurements, see the document “Applications note –
EMC Output Filter Recommendations” at the Infineon homepage.
Audio Performance Measurements
In a typical audio application the outputs of the MA12070P will be connected directly to the speaker loads. However,
for audio performance evaluation it can be beneficial to configure the circuit board with an LC filter. This is due to the
fact that many audio analyzers do not handle PWM signals at their inputs well.
When using an audio analyzer configured with an external and/or internal measurement filter the use of an LC filter is
not necessary. However, be sure to verify the audio analyzer’s input limits before connecting it to a filterless amplifier
output.
When using an LC filter, the design depends on the specific load. L and C values should therefore be optimized for this.
Thermal Characteristics and Test Signals
Performing audio measurements by use of an audio analyzer is typically very helpful during the evaluation of an
amplifier. However, using an audio analyzer can be misleading when evaluating thermal performance.
Audio analyzers typically generate full tone, continuous sine wave signals as the input signal for the amplifier. While this
is required to perform many audio measurements, it is also the worst-case thermal scenario for the device. Using full-
scale continuous sine waves for thermal evaluation or testing will lead to an overly conservative and more costly thermal
design which will be unnecessary in almost all real audio applications.
Actual audio content, such as music, has much lower RMS values compared to its maximum peak output power than a
full-scale continuous sine wave. This results in significantly less heat dissipation from the device when amplifying actual
audio. For thermal evaluation it is therefore recommended to use actual music signals during tests. Alternatively, a pink
noise signal can be used to emulate a music signal.
It is not uncommon for an amplifier solution to have limited thermal performance, potentially resulting in thermal
protection shutdown, when amplifying full-scale continuous sine wave signals.
Start-up procedure
It is recommended to follow the start-up procedure as described below:
1) Make sure the all hardware pins are configured correctly: e.g. BTL, Slave Clock mode.
2) Keep the device in disable and mute:
/ENABLE = 1; /MUTE = 0.
3) Bring up 5V VDD supply and PVDD supply (it does not matter if VDD or PVDD comes up first, provided that
the device is held in disable).
4) Wait for VDD and PVDD to be stable.
5) CLK must be present before enabling the amplifier.
6) Enable device:
/ENABLE = 0.
7) Program applicable initialization to registers.
8) Unmute device:
/MUTE = 1.
9) The device is now in normal operation state.
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Shut-down / power-down procedure
It is recommended to follow the start-up procedure as described below:
1) The device is in normal operation state.
2) Mute device:
/MUTE = 0.
3) Disable device:
/ENABLE = 1.
4) The device is now power-down state.
5) Bring down 5V VDD supply and PVDD supply.
6) The device is now in shut-down state.
Recommended PCB Design for MA12070PQFN (EPAD-down package)
The QFN package with exposed thermal pad at the bottom side is thermally sufficient for most applications. However,
in order to remove heat from the package care should be taken in designing the PCB.
The PCB footprint for the device should include a thermal relief pad underneath the device with a size of 6 x 6 mm. This
thermal relief pad must be centered so the device can be soldered easily. It is recommended to use a PCB design with
two or more layers of copper for good thermal performance. Using multiple layers enables a design with a large area of
copper connected to the EPAD.
To achieve best thermal performance it is also important to design the surrounding connections in such a way that
avoids cutting up the copper area into many sections.
Figure 9-5 shows a PCB design using 26 via connections directly underneath the chip between the top and bottom layers.
These should be placed on a grid each with a 0.65 mm plated through hole. These connections ensure good thermal
transfer from the top side EPAD to a large section of ground connected copper area on the bottom side of the PCB.
Figure 9-5 Example of 2-layer PCB layout, top and bottom layers
It is recommended to use a PCB made from glass/epoxy laminate (e.g. FR-4) material. This type of material works well
with PCB designs that require thermal relief as it can endure high temperatures for a long duration of time.
PCB copper thickness is recommended to be a minimum of 35μ (1 oz) and the PCB must be made to the IPC 6012C, Class
2 standard.
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0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
10 Typical Characteristics (PVDD = +26V, Load = 4Ω + 22µH)
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-1 THD+N vs Output Power for PMP0 Figure 10-2 THD+N vs Output Power for PMP1
Figure 10-3 THD+N vs Output Power for PMP2 Figure 10-4 THD+N vs Output Power for PMP4
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
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0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-5 THD+N vs Frequency for PMP0 Figure 10-6 THD+N vs Frequency for PMP1
Figure 10-7 THD+N vs Frequency for PMP2 Figure 10-8 THD+N vs Frequency for PMP4
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
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0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-9 PMP0 Efficiency (VDD+PVDD) vs Output Power Figure 10-10 PMP1 Efficiency (VDD+PVDD) vs Output Power
Figure 10-11 PMP2 Efficiency (VDD+PVDD) vs Output Power Figure 10-12 PMP4 Efficiency (VDD+PVDD) vs Output Power
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
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0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-13 Input Power vs Output Power for PMP0 Figure 10-14 Input Power vs Output Power for PMP1
Figure 10-15 Input Power vs Output Power for PMP2 Figure 10-16 Input Power vs Output Power for PMP4
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
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0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP0
PMP1
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP2
PMP4
0
1
2
3
4
5
6
7
8
9
10
4 6 8 10 12 14 16 18 20 22 24 26
PVDD Idle Current (mA)
PVDD (V)
PMP0
PMP1 0
1
2
3
4
5
6
7
8
9
10
4 6 8 10 12 14 16 18 20 22 24 26
PVDD Idle Current (mA)
PVDD (V)
PMP2
PMP4
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-17 PVDD Current vs Output Power for PMP0 & PMP1 Figure 10-18 PVDD Current vs Output Power for PMP2 & PMP4
Figure 10-19 PVDD Idle Current vs PVDD for PMP0 & PMP1 Figure 10-20 PVDD Idle Current vs PVDD for PMP2 & PMP4
Load = 4Ω + 22µH
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
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0
10
20
30
40
50
60
70
80
90
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N 0
10
20
30
40
50
60
70
80
90
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N
0
10
20
30
40
50
60
70
80
90
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N
0
10
20
30
40
50
60
70
80
90
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-21 Output Power vs PVDD for PMP0 Figure 10-22 Output Power vs PVDD for PMP1
Figure 10-23 Output Power vs PVDD for PMP2 Figure 10-24 Output Power vs PVDD for PMP4
Load = 4Ω + 22µH
Load = 4Ω + 22µH
Load = 4Ω + 22µH
Load = 4Ω + 22µH
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25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-25 Gain vs Frequency for PMP0 Figure 10-26 Gain vs Frequency for PMP1
Figure 10-27 Gain vs Frequency for PMP2 Figure 10-28 Gain vs Frequency for PMP4
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
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-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 10-29 Crosstalk vs Frequency for PMP0 Figure 10-30 Crosstalk vs Frequency for PMP1
Figure 10-31 Crosstalk vs Frequency for PMP2 Figure 10-32 Crosstalk vs Frequency for PMP4
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
PVDD = +26V
Load = 4Ω + 22µH
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0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
11 Typical Characteristics (PVDD = +26V, Load = 8Ω + 22µH)
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-1 THD+N vs Output Power for PMP0 Figure 11-2 THD+N vs Output Power for PMP1
Figure 11-3 THD+N vs Output Power for PMP2 Figure 11-4 THD+N vs Output Power for PMP4
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
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0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-5 THD+N vs Frequency for PMP0 Figure 11-6 THD+N vs Frequency for PMP1
Figure 11-7 THD+N vs Frequency for PMP2 Figure 11-8 THD+N vs Frequency for PMP4
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
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0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60
Efficiency (%)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-9 PMP0 Efficiency (VDD+PVDD) vs Output Power Figure 11-10 PMP1 Efficiency (VDD+PVDD) vs Output Power
Figure 11-11 PMP2 Efficiency (VDD+PVDD) vs Output Power Figure 11-12 PMP4 Efficiency (VDD+PVDD) vs Output Power
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 43 of 88 2018-07-17
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-13 Input Power vs Output Power for PMP0 Figure 11-14 Input Power vs Output Power for PMP1
Figure 11-15 Input Power vs Output Power for PMP2 Figure 11-16 Input Power vs Output Power for PMP4
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 44 of 88 2018-07-17
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP0
PMP1
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP2
PMP4
0
1
2
3
4
5
6
7
8
9
10
4 6 8 10 12 14 16 18 20 22 24 26
PVDD Idle Current (mA)
PVDD (V)
PMP0
PMP1 0
1
2
3
4
5
6
7
8
9
10
4 6 8 10 12 14 16 18 20 22 24 26
PVDD Idle Current (mA)
PVDD (V)
PMP2
PMP4
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-17 PVDD Current vs Output Power for PMP0 & PMP1 Figure 11-18 PVDD Current vs Output Power for PMP2 & PMP4
Figure 11-19 PVDD Idle Current vs PVDD for PMP0 & PMP1 Figure 11-20 PVDD Idle Current vs PVDD for PMP2 & PMP4
Load = 8Ω + 22µH
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 45 of 88 2018-07-17
0
5
10
15
20
25
30
35
40
45
50
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N
0
5
10
15
20
25
30
35
40
45
50
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N
0
5
10
15
20
25
30
35
40
45
50
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N 0
5
10
15
20
25
30
35
40
45
50
4 6 8 10 12 14 16 18 20 22 24 26
Output Power (W)
PVDD (V)
1% THD+N
10% THD+N
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-21 Output Power vs PVDD for PMP0 Figure 11-22 Output Power vs PVDD for PMP1
Figure 11-23 Output Power vs PVDD for PMP2 Figure 11-24 Output Power vs PVDD for PMP4
Load = 8Ω + 22µH
Load = 8Ω + 22µH
Load = 8Ω + 22µH
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 46 of 88 2018-07-17
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-25 Gain vs Frequency for PMP0 Figure 11-26 Gain vs Frequency for PMP1
Figure 11-27 Gain vs Frequency for PMP2 Figure 11-28 Gain vs Frequency for PMP4
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 47 of 88 2018-07-17
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 11-29 Crosstalk vs Frequency for PMP0 Figure 11-30 Crosstalk vs Frequency for PMP1
Figure 11-31 Crosstalk vs Frequency for PMP2 Figure 11-32 Crosstalk vs Frequency for PMP4
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
PVDD = +26V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 48 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
12 Typical Characteristics (PVDD = +24V, Load = 4Ω + 22µH)
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 12-1 THD+N vs Output Power for PMP0 Figure 12-2 THD+N vs Output Power for PMP1
Figure 12-3 THD+N vs Output Power for PMP2 Figure 12-4 THD+N vs Output Power for PMP4
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 49 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 12-5 THD+N vs Frequency for PMP0 Figure 12-6 THD+N vs Frequency for PMP1
Figure 12-7 THD+N vs Frequency for PMP2 Figure 12-8 THD+N vs Frequency for PMP4
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 50 of 88 2018-07-17
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70 80 90
Efficiency (%)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 12-9 PMP0 Efficiency (VDD+PVDD) vs Output Power Figure 12-10 PMP1 Efficiency (VDD+PVDD) vs Output Power
Figure 12-11 PMP2 Efficiency (VDD+PVDD) vs Output Power Figure 12-12 PMP4 Efficiency (VDD+PVDD) vs Output Power
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 51 of 88 2018-07-17
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 12-13 Input Power vs Output Power for PMP0 Figure 12-14 Input Power vs Output Power for PMP1
Figure 12-15 Input Power vs Output Power for PMP2 Figure 12-16 Input Power vs Output Power for PMP4
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 52 of 88 2018-07-17
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP0
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP1
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP2
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP4
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 12-17 PVDD Current vs Output Power for PMP0 Figure 12-18 PVDD Current vs Output Power for PMP1
Figure 12-19 PVDD Current vs Output Power for PMP2 Figure 12-20 PVDD Current vs Output Power for PMP4
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 53 of 88 2018-07-17
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 12-21 Gain vs Frequency for PMP0 Figure 12-22 Gain vs Frequency for PMP1
Figure 12-23 Gain vs Frequency for PMP2 Figure 12-24 Gain vs Frequency for PMP4
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 54 of 88 2018-07-17
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 12-25 Crosstalk vs Frequency for PMP0 Figure 12-26 Crosstalk vs Frequency for PMP1
Figure 12-27 Crosstalk vs Frequency for PMP2 Figure 12-28 Crosstalk vs Frequency for PMP4
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
PVDD = +24V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 55 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
13 Typical Characteristics (PVDD = +24V, Load = 8Ω + 22µH)
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 13-1 THD+N vs Output Power for PMP0 Figure 13-2 THD+N vs Output Power for PMP1
Figure 13-3 THD+N vs Output Power for PMP2 Figure 13-4 THD+N vs Output Power for PMP4
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 56 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 13-5 THD+N vs Frequency for PMP0 Figure 13-6 THD+N vs Frequency for PMP1
Figure 13-7 THD+N vs Frequency for PMP2 Figure 13-8 THD+N vs Frequency for PMP4
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 57 of 88 2018-07-17
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50
Efficiency (%)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 13-9 PMP0 Efficiency (VDD+PVDD) vs Output Power Figure 13-10 PMP1 Efficiency (VDD+PVDD) vs Output Power
Figure 13-11 PMP2 Efficiency (VDD+PVDD) vs Output Power Figure 13-12 PMP4 Efficiency (VDD+PVDD) vs Output Power
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 58 of 88 2018-07-17
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 13-13 Input Power vs Output Power for PMP0 Figure 13-14 Input Power vs Output Power for PMP1
Figure 13-15 Input Power vs Output Power for PMP2 Figure 13-16 Input Power vs Output Power for PMP4
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
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0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP0
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP1
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP2
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP4
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 13-17 PVDD Current vs Output Power for PMP0 Figure 13-18 PVDD Current vs Output Power for PMP1
Figure 13-19 PVDD Current vs Output Power for PMP2 Figure 13-20 PVDD Current vs Output Power for PMP4
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 60 of 88 2018-07-17
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 13-21 Gain vs Frequency for PMP0 Figure 13-22 Gain vs Frequency for PMP1
Figure 13-23 Gain vs Frequency for PMP2 Figure 13-24 Gain vs Frequency for PMP4
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 61 of 88 2018-07-17
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 13-25 Crosstalk vs Frequency for PMP0 Figure 13-26 Crosstalk vs Frequency for PMP1
Figure 13-27 Crosstalk vs Frequency for PMP2 Figure 13-28 Crosstalk vs Frequency for PMP4
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
PVDD = +24V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 62 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
14 Typical Characteristics (PVDD = +21V, Load = 4Ω + 22µH)
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 14-1 THD+N vs Output Power for PMP0 Figure 14-2 THD+N vs Output Power for PMP1
Figure 14-3 THD+N vs Output Power for PMP2 Figure 14-4 THD+N vs Output Power for PMP4
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 63 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 14-5 THD+N vs Frequency for PMP0 Figure 14-6 THD+N vs Frequency for PMP1
Figure 14-7 THD+N vs Frequency for PMP2 Figure 14-8 THD+N vs Frequency for PMP4
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 64 of 88 2018-07-17
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30 40 50 60 70
Efficiency (%)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 14-9 PMP0 Efficiency (VDD+PVDD) vs Output Power Figure 14-10 PMP1 Efficiency (VDD+PVDD) vs Output Power
Figure 14-11 PMP2 Efficiency (VDD+PVDD) vs Output Power Figure 14-12 PMP4 Efficiency (VDD+PVDD) vs Output Power
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 65 of 88 2018-07-17
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 14-13 Input Power vs Output Power for PMP0 Figure 14-14 Input Power vs Output Power for PMP1
Figure 14-15 Input Power vs Output Power for PMP2 Figure 14-16 Input Power vs Output Power for PMP4
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
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0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP0
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP1
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP2
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100 1000
PVDD Current (A)
Output Power (W)
PMP4
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 14-17 PVDD Current vs Output Power for PMP0 Figure 14-18 PVDD Current vs Output Power for PMP1
Figure 14-19 PVDD Current vs Output Power for PMP2 Figure 14-20 PVDD Current vs Output Power for PMP4
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 67 of 88 2018-07-17
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 14-21 Gain vs Frequency for PMP0 Figure 14-22 Gain vs Frequency for PMP1
Figure 14-23 Gain vs Frequency for PMP2 Figure 14-24 Gain vs Frequency for PMP4
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 68 of 88 2018-07-17
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
BTL configuration; Load = 4Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 14-25 Crosstalk vs Frequency for PMP0 Figure 14-26 Crosstalk vs Frequency for PMP1
Figure 14-27 Crosstalk vs Frequency for PMP2 Figure 14-28 Crosstalk vs Frequency for PMP4
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
PVDD = +21V
Load = 4Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 69 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz 0.001
0.01
0.1
1
10
100
0.001 0.01 0.1 1 10 100
THD+N (%)
Output Power (W)
100Hz
1kHz
6kHz
15 Typical Characteristics (PVDD = +21V, Load = 8Ω + 22µH)
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 15-1 THD+N vs Output Power for PMP0 Figure 15-2 THD+N vs Output Power for PMP1
Figure 15-3 THD+N vs Output Power for PMP2 Figure 15-4 THD+N vs Output Power for PMP4
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 70 of 88 2018-07-17
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
0.001
0.01
0.1
1
10
100
20 200 2000 20000
THD+N (%)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 15-5 THD+N vs Frequency for PMP0 Figure 15-6 THD+N vs Frequency for PMP1
Figure 15-7 THD+N vs Frequency for PMP2 Figure 15-8 THD+N vs Frequency for PMP4
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 71 of 88 2018-07-17
0
10
20
30
40
50
60
70
80
90
100
0 5 10 15 20 25 30 35 40
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 5 10 15 20 25 30 35 40
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 5 10 15 20 25 30 35 40
Efficiency (%)
Output Power (W)
Output Power
Per Channel
0
10
20
30
40
50
60
70
80
90
100
0 5 10 15 20 25 30 35 40
Efficiency (%)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 15-9 PMP0 Efficiency (VDD+PVDD) vs Output Power Figure 15-10 PMP1 Efficiency (VDD+PVDD) vs Output Power
Figure 15-11 PMP2 Efficiency (VDD+PVDD) vs Output Power Figure 15-12 PMP4 Efficiency (VDD+PVDD) vs Output Power
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 72 of 88 2018-07-17
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
0.1
1
10
100
0.0001 0.001 0.01 0.1 1 10 100
Input Power (W)
Output Power (W)
Output Power
Per Channel
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 15-13 Input Power vs Output Power for PMP0 Figure 15-14 Input Power vs Output Power for PMP1
Figure 15-15 Input Power vs Output Power for PMP2 Figure 15-16 Input Power vs Output Power for PMP4
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 73 of 88 2018-07-17
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP0
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP1
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP2
0.001
0.01
0.1
1
10
0.0001 0.001 0.01 0.1 1 10 100
PVDD Current (A)
Output Power (W)
PMP4
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 15-17 PVDD Current vs Output Power for PMP0 Figure 15-18 PVDD Current vs Output Power for PMP1
Figure 15-19 PVDD Current vs Output Power for PMP2 Figure 15-20 PVDD Current vs Output Power for PMP4
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 74 of 88 2018-07-17
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
25
25.2
25.4
25.6
25.8
26
26.2
26.4
26.6
26.8
27
20 200 2000 20000
Gain (dB)
Frequency (Hz)
1W
5W
10W
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 15-21 Gain vs Frequency for PMP0 Figure 15-22 Gain vs Frequency for PMP1
Figure 15-23 Gain vs Frequency for PMP2 Figure 15-24 Gain vs Frequency for PMP4
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 75 of 88 2018-07-17
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20 200 2,000 20,000
Crosstalk (dB)
Frequency (Hz)
Ch0 to Ch1
Ch1 to Ch0
BTL configuration; Load = 8Ω + 22µH; Measurements carried out with APx 515 + AUX-0025 input filter; APx uses
AES17 brick-wall filter (20kHz).
Figure 15-25 Crosstalk vs Frequency for PMP0 Figure 15-26 Crosstalk vs Frequency for PMP1
Figure 15-27 Crosstalk vs Frequency for PMP2 Figure 15-28 Crosstalk vs Frequency for PMP4
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
PVDD = +21V
Load = 8Ω + 22µH
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 76 of 88 2018-07-17
16 Register map
For all register map:
“ f “ : Don’t Care condition
“ – “ : Reserved bits configured during factory settings.
Read / Write Access (Power Mode Settings):
Address
Default
Address
Value
Description Name Bit(s) Value Function
0x00 0x3D Power Mode
Control
manualPM 6 - 0 1 1 - - - -
Select manual Power Mode control. Default
the device will operate in automatic Power
Mode control. This bit can be set to 1 if manual
Power Mode control is required.
PM_man 5:4
- 0 1 1 - - - -
Manual selected power mode. These two bits
can be used selecting the Power Mode of the
device when it is in manual Power Mode
control.
- - 0 0 - - - - Reserved
- - 0 1 - - - - Power Mode 1
- - 1 0 - - - - Power Mode 2
- - 1 1 - - - - Power Mode 3
0x01 0x3C
Threshold for
Power Mode
change
PM1=>PM2
Mthr_1to2 7:0 0 0 1 1 1 1 0 0
Threshold value for PM1=>PM2 change. This
value will set the threshold for when automatic
Power Mode changes from PM1 to PM2. It can
be programmed from 0 - 255; this maps to 0
output power – max output power.
0x02 0x32
Threshold for
Power Mode
change
PM2=>PM1
Mthr_2to1 7:0 0 0 1 1 0 0 1 0
Threshold value for PM2=>PM1 change. This
value will set the threshold for when automatic
Power Mode changes from PM2 to PM1. It can
be programmed from 0 - 255; this maps to 0
output power – max output power.
0x03 0x5A
Threshold for
Power Mode
change
PM2=>PM3
Mthr_2to3 7:0 0 1 0 1 1 0 1 0
Threshold value for PM2=>PM3 change. This
value will set the threshold for when automatic
Power Mode changes from PM2 to PM3. It can
be programmed from 0 - 255; this maps to 0
output power – max output power.
0x04 0x50
Threshold for
Power Mode
change
PM3=>PM2
Mthr_3to2 7:0 0 1 0 1 0 0 0 0
Threshold value for PM3=>PM2 change. This
value will set the threshold for when automatic
Power Mode changes from PM3 to PM2. It can
be programmed from 0 - 255; this maps to 0
output power – max output power.
0x0A 0xC
Soft-clipping
and over-
current
protection
latching
lf_clamp_en 7 0 - - - - - 0 - Enables soft-clipping. High to enable. Low to
disable.
ocp_latch_en 1 0 - - - - - 0 - High to use permanently latching OCP.
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 77 of 88 2018-07-17
Read / Write Access (Power Mode Profile Settings):
Address
Default
Address
Value
Description Name Bit(s) Value Function
0x1D 0x00
Select Power
Mode Profile
setting
PMprofile 2:0
f f f f f 0 0 0
Power Mode Profile select. With this register
the user can selects the appropriate Power
Mode Profile.
- - - - - 0 0 0 Power Mode Profile 0
- - - - - 0 0 1 Power Mode Profile 1
- - - - - 0 1 0 Power Mode Profile 2
- - - - - 0 1 1 Power Mode Profile 3
- - - - - 1 0 0 Power Mode Profile 4
0x1E 0x2F
Power Mode
Profile
configuration
PM3_man 5:4
f f 1 0 - - - - Custom profile PM3 content
- - 0 0 - - - - Assign scheme A to PM3
- - 0 1 - - - - Assign scheme B to PM3
- - 1 0 - - - - Assign scheme C to PM3
- - 1 1 - - - - Assign scheme D to PM3
PM2_man 3:2
f f - - 1 1 - - Custom profile PM2 content
- - - - 0 0 - - Assign scheme A to PM2
- - - - 0 1 - - Assign scheme B to PM2
- - - - 1 0 - - Assign scheme C to PM2
- - - - 1 1 - - Assign scheme D to PM2
PM1_man 1:0
f f - - - - 1 1 Custom profile PM1 content
- - - - - - 0 0 Assign scheme A to PM1
- - - - - - 0 1 Assign scheme B to PM1
- - - - - - 1 0 Assign scheme C to PM1
- - - - - - 1 1 Assign scheme D to PM1
0x20 0x1F
Over-current
protection
latch clear
ocp_latch_cle
ar 7 0 - - - - - - -
Clears over current protection latch. A low to
high toggle clears the current OCP latched
condition.
0x25 0x10 Audio in
mode
audio_in_mo
de 6:5
- 0 0 - - - - -
Audio input mode. Sets the input mode of the
amplifier. This means the amplifier overall gain
setting.
- 0 0 - - - - - Audio in mode 0: 20dB gain
- 0 1 - - - - - Audio in mode 1: 26dB gain
0x26 0x05 DC protection Eh_dcShdn 2 f f f f - 1 - - Enables or disables DC protection. High to
enable. Low to disable.
0x27 0x08
Audio in
mode
overwrite
audio_in_mo
de_ext
5 0 0 0 0 - 0 - -
Enables audio in mode default overwrite. High
to enable. Low to disable. Should enabled for
address 0x25 to have effect.
0x2D 0x30 Error handler
clear eh_clear 2 - - 0 - - 0 - - Clears error handler. A low-to-high-to-low
toggle clears the error handler.
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 78 of 88 2018-07-17
Read / Write Access (I2S format configuration)
Address
Default
Address
Value
Description Name Bit(s) Value Function
0x35 0x01 PCM word
format i2s_format 2:0
0 0 0 0 0 0 0 0 i2s standard
0 0 0 0 0 0 0 1 Left justified
0 0 0 0 0 1 0 0 Right justified 16bits
0 0 0 0 0 1 1 0 Right justified 18bits
0 0 0 0 0 0 0 0 Right justified 20bits
0 0 0 0 0 1 1 1 Right justified 24bits
0x36 0x01
Left/right
order of PCM
words
i2s_rightfirst 5
0 0 0 0 0 0 0 1 Left PCM data word (of a simultaneously
sampled PCM data pair) is send first
0 0 0 1 0 0 0 1
Right PCM data word (of a simultaneously
sampled PCM data pair) is send first
Number of
data bits per
frame
i2s_framesize 4:3
0 0 0 0 0 0 0 1
64 serial clock (SCK) cycles are present in each
period of the word select signal (WS)
0 0 0 0 1 0 0 1 48 serial clock (SCK) cycles are present in each
period of the word select signal (WS)
0 0 0 1 0 0 0 1 32 serial clock (SCK) cycles are present in each
period of the word select signal (WS)
Bit order of
PCM data
words
i2s_order 2
0 0 0 0 0 0 0 1 Most significant bit of the PCM data word is
transmitted first
0 0 0 0 0 1 0 1 Least significant bit of the PCM data word is
transmitted first
Pairing of
data words i2s_ws_pol 1
0 0 0 0 0 0 0 1
First word of a simultaneously sampled PCM
data pair is transmitted while word select (WS)
is low
0 0 0 0 0 0 1 1
First word of a simultaneously sampled PCM
data pair is transmitted while word select (WS)
is high
Clocking edge
of the serial
clock signal
(SCK)
i2s_sck_pol 0
0 0 0 0 0 0 0 0
Serial data (SDX) and word select (WS) are
changing at rising edge of the serial clock signal
(SCK). The MA12070P will capture data at the
falling edge of the serial clock signal SCK
0 0 0 0 0 0 0 1
Serial data (SDX) and word select (WS) are
changing at falling edge of the serial clock
signal (SCK). The MA12070P will capture data
at the rising edge of the serial clock signal SCK
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 79 of 88 2018-07-17
Read / Write Access (Volume control and limiter)
Address
Default
Address
Value
Description Name Bit(s) Value Function
0x35 0x01
Limiter attack
time control
audio_proc_rele
ase 7:6
0 0 0 0 0 0 0 1 Slow attack time
0 1 0 0 0 0 0 1 Normal attack time
1 0 0 0 0 0 0 1 Fast attack time
Limiter release
time
audio_proc_atta
ck 5:4
0 0 0 0 0 0 0 1 Slow release time
0 0 0 1 0 0 0 1 Normal release time
0 0 1 0 0 0 0 1 Fast release time
Processor bypass
mux
audio_proc_ena
ble 3 0 0 0 0 0 0 01 Bypass the audio processor
0 0 0 0 1 0 01 Use the audio processor
0x36 0x01
Mute mux control
audio_proc_mut
e 7 1 0 0 0 0 0 0 1 Mute audio
0 0 0 0 0 0 0 1 Play audio
Limiter bypass
mux
audio_proc_limi
terEnable 6 0 0 0 0 0 0 0 1 Bypass the limiter
0 1 0 0 0 0 0 1 Use the limiter
0x40 0x18 Master integer dB
volume vol_db_master
7:0 0 0 0 1 1 0 0 0 Control of integer value master dB volume
(see
Table 8-9
for mapping overview)
0x41 0x00 Master fract dB
volume vol_lsb_master
1:0 f f f f f f 0 0 Control of fractional value dB volume (see
Table 8-9
for mapping overview)
0x42 0x18 Ch0L integer dB
volume vol_db_ch0 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0L dB volume (see
Table 8-9
for mapping overview)
0x43 0x18 Ch0R integer dB
volume vol_db_ch1 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0R dB volume (see
Table 8-9
for mapping overview)
0x44 0x18 Ch1L integer dB
volume vol_db_ch2 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0L dB volume (see
Table 8-9
for mapping overview)
0x45 0x18 Ch1R integer dB
volume vol_db_ch3 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0R dB volume (see
Table 8-9
for mapping overview)
0x46 0x00
Ch0L fract dB
volume vol_lsb_ch0 1:0 0 0 0 0 0 0 0 0 Control of fractional value ch0L dB volume
(see
Table 8-9
for mapping overview)
Ch0R fract dB
volume vol_lsb_ch1 3:2 0 0 0 0 0 0 0 0 Control of fractional value ch0R dB volume
(see
Table 8-9
for mapping overview)
Ch1L fract dB
volume vol_lsb_ch2 5:4 0 0 0 0 0 0 0 0 Control of fractional value ch1L dB volume
(see
Table 8-9
for mapping overview)
Ch0R fract dB
volume vol_lsb_ch3 7:6 0 0 0 0 0 0 0 0 Control of fractional value ch1R dB volume
(see
Table 8-9
for mapping overview)
0x47 0x18 Ch0L integer dBFS
limiter thr_db_ch0 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0L dBFS limiter
threshold (see section “Limiter”)
0x48 0x18 Ch0R integer
dBFS
limiter thr _db_ch1 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0R dBFS limiter
threshold (see section “Limiter”)
0x49 0x18 Ch1L integer dBFS
limiter thr _db_ch2 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0L dBFS limiter
threshold (see section “Limiter)
0x4A 0x18
Ch1R integer dBFS
limiter thr _db_ch3 7:0 0 0 0 1 1 0 0 0 Control of integer value ch0R dBFS limiter
threshold (see section “Limiter”)
0x4B 0x00
Ch0L fract dBFS
limiter thr _lsb_ch0 1:0 0 0 0 0 0 0 0 0 Control of fractional value ch0L dBFS limiter
threshold (see section “Limiter”)
Ch0R fract dBFS
limiter thr _lsb_ch1 1:0 0 0 0 0 0 0 0 0 Control of fractional value ch0R dBFS limiter
threshold (see section “Limiter”)
Ch1L fract dBFS
limiter thr _lsb_ch2 1:0 0 0 0 0 0 0 0 0 Control of fractional value ch1L dBFS limiter
threshold (see section “Limiter”)
Ch0R fract dBFS
limiter thr _lsb_ch3 1:0 0 0 0 0 0 0 0 0 Control of fractional value ch1R dBFS limiter
threshold (see section “Limiter”)
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 80 of 88 2018-07-17
Read Only Access (Volume control and limiter monitor)
Address
Default
Address
Value
Description Name Bit(s) Value Function
0x7E 0x00
Indicates if
limiters are
active
audio_proc_li
miter_mon 7:4 0 0 0 0 0 0 0 0
Bit 4 high: limiter is active on channel 0L
Bit 5 high: limiter is active on channel 0R
Bit 6 high: limiter is active on channel 1L
Bit 7 high: limiter is active on channel 0R
0x7E 0x00
Indicates if
clipping
occurs on the
VLP output
signals
audio_proc_c
lip_mon 3:0 0 0 0 0 0 0 0 0
Bit 0 high: clipping is present on channel 0L
Bit 1 high: clipping is present on channel 0R
Bit 2 high: clipping is present on channel 1L
Bit 3 high: clipping is present on channel 0R
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 81 of 88 2018-07-17
Read Only Access (Monitor Channel 0 and Channel 1)
Address
Default
Address
Value
Description Name Bit(s) Value Function
0x60 0x00
Monitor
register
channel 0
(Frequency
and Power
Mode)
dcu_mon0.fr
eqMode 6:4 - 0 0 0 f f 0 0
Frequency mode monitor channel 0. Register
to read out in which frequency mode channel 0
of the device is currently operating in.
dcu_mon0.P
M_mon 1:0 - - - - f f 0 0
Power mode monitor channel 0. Monitor to
read out in which Power Mode channel 0 of
the device is currently operating in.
0x61 0x00
Monitor
register
channel 0
dcu_mon0.m
ute 5 f f 0 0 0 0 0 0 Channel 0 mute monitor. Monitor to read out
if channel 0 is in mute or in unmute.
dcu_mon0.vd
d_ok 4 f f 0 0 0 0 0 0 Channel 0 VDD monitor. Monitor to read out if
VDD for channel 0 is ok.
dcu_mon0.pv
dd_ok 3 f f 0 0 0 0 0 0 Channel 0 PVDD monitor. Monitor to read out
if PVDD for channel 0 is ok.
dcu_mon0.Vc
fly2_ok 2 f f 0 0 0 0 0 0 Channel 0 Cfly2 protection monitor. Monitor to
read out if Cfly2 for channel 0 is ok.
dcu_mon0.Vc
fly1_ok 1 f f 0 0 0 0 0 0 Channel 0 Cfly1 protection monitor. Monitor to
read out if Cfly1 for channel 0 is ok.
OCP Monitor
channel 0 0 f f 0 0 0 0 0 0
Channel 0 over current protection monitor.
Monitor to read out if an over current
protection event has occurred.
0x62 0x00
Monitor
register
channel 0
(Modulation
Index)
dcu_mon0.M
_mon 7:0 0 0 0 0 0 0 0 0
Channel 0 modulation index monitor. Monitor
to read out live modulation index. Modulation
index from 0 to 1 maps on the 8-bits register
from 0 to 255.
0x64 0x00
Monitor
register
channel 1
(Frequency
and Power
Mode)
dcu_mon1.fr
eqMode 6:4 - 0 0 0 f f 0 0
Frequency mode monitor channel 1. Register
to read out in which frequency mode channel 1
of the device is currently operating in.
dcu_mon1.P
M_mon 1:0 - - - - f f 0 0
Power mode monitor channel 1. Monitor to
read out in which Power Mode channel 1 of
the device is currently operating in.
0x65 0x00
Monitor
register
channel 1
dcu_mon1.m
ute 5 f f 0 0 0 0 0 0 Channel 1 mute monitor. Monitor to read out
if channel 1 is in mute or in unmute.
dcu_mon1.vd
d_ok 4 f f 0 0 0 0 0 0 Channel 1 VDD monitor. Monitor to read out if
VDD for channel 1 is ok.
dcu_mon1.pv
dd_ok 3 f f 0 0 0 0 0 0 Channel 1 PVDD monitor. Monitor to read out
if PVDD for channel 1 is ok.
dcu_mon1.Vc
fly2_ok 2 f f 0 0 0 0 0 0 Channel 1 Cfly2 protection monitor. Monitor to
read out if Cfly2 for channel 1 is ok.
dcu_mon1.Vc
fly1_ok 1 f f 0 0 0 0 0 0 Channel 1 Cfly1 protection monitor. Monitor to
read out if Cfly1 for channel 1 is ok.
OCP Monitor
channel 1 0 f f 0 0 0 0 0 0
Channel 1 over current protection monitor.
Monitor to read out if an over current
protection event has occurred.
0x66 0x00
Monitor
register
channel 1
(Modulation
Index)
dcu_mon1.M
_mon 7:0 0 0 0 0 0 0 0 0
Channel 1 modulation index monitor. Monitor
to read out live modulation index. Modulation
index from 0 to 1 maps on the 8-bits register
from 0 to 255.
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 82 of 88 2018-07-17
Read Only Access (Error Register Monitoring):
Address
Default
Address
Value
Description Name Bit(s) Value
0x6D 0x00
Error
accumulated
register
error_acc 7:0 0 0 0 0 0 0 0 0
Error monitor register. Gives the accumulated
status of every potential error source. This
register should be cleared by using the error
handler clear register.
All bits will be 0 in default/normal operation
and 1 when triggered
Bit 0: flying capacitor over-voltage error
Bit 1: over-current protection
Bit 2: pll error
Bit 3: PVDD under-voltage protection
Bit 4: over-temperature warning
Bit 5: over-temperature error
Bit 6: pin-to-pin low impedance protection
Bit 7: DC protection
0x75 0x00 Monitor
MSEL register
msel_mon 2:0 f f f f f 0 0 0
MSEL[2:0] monitor register. Monitor to read
out which output configuration the device is in:
BTL, SE, BTL/SE or PBTL
0x7C 0x00 Error register
error 7:0 0 0 0 0 0 0 0 0
Error monitor register. Gives the live status of
every potential error source.
All bits will be 0 in default/normal operation
and 1 when triggered
Bit 0: flying capacitor over-voltage error
Bit 1: over-current protection
Bit 2: pll error
Bit 3: PVDD under-voltage protection
Bit 4: over-temperature warning
Bit 5: over-temperature error
Bit 6: pin-to-pin low impedance protection
Bit 7: DC protection
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 83 of 88 2018-07-17
17 Package Information
QFN pad-down 64-pin mechanical data
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 84 of 88 2018-07-17
18 Tape and Reel Information
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 85 of 88 2018-07-17
19 Revision History
Doc. Rev. Date Comments
V 1.0 July
2018 Initial release in Infineon format
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 86 of 88 2018-07-17
20 Contents
Description 1
Applications 1
Features 1
Package 1
1
Ordering Information 2
2
Known Issues and Limitations 2
3
Typical Application Block Diagram 3
4
Pin Description 4
4.1
Pinout MA12070PQFN 4
4.2
Pin Function 5
5
Absolute Maximum Ratings 7
6
Recommended Operating Conditions 8
7
Electrical and Audio Characteristics 9
8
Functional description 12
Multi-level modulation 12
Very low power consumption 12
Power Mode Management 12
Power Modes Profiles 13
Power supplies 14
Gate driver supplies 15
Digital core supply 15
Flying capacitors 15
Protection 16
Over-current protection on OUTXX nodes 16
Temperature protection 16
Power supply monitors 16
DC protection 17
Digital serial audio input 17
Volume and limiter processor (VLP) 19
Volume control 19
Limiter 20
VLP parameter interface 21
Clock system 22
MCU/Serial control interface 23
I2C write operation 24
I2C read operation 25
/CLIP pin and soft-clipping 26
/ERROR pin and error handling 26
9
Application Information 27
Input/Output Configurations 27
Datasheet Please read the Important Notice and Warnings at the end of this document V 1.0
www.infineon.com page 87 of 88 2018-07-17
Bridge Tied Load (BTL) Configuration 27
Single Ended (SE) Configuration 28
Combined SE and BTL Configuration 29
Parallel Bridge Tied Load (PBTL) 29
EMC output filter Considerations 30
Audio Performance Measurements 30
Thermal Characteristics and Test Signals 30
Start-up procedure 30
Shut-down / power-down procedure 31
Recommended PCB Design for MA12070PQFN (EPAD-down package) 31
10
Typical Characteristics (PVDD = +26V, Load = 4Ω + 22µH) 32
11
Typical Characteristics (PVDD = +26V, Load = 8Ω + 22µH) 40
12
Typical Characteristics (PVDD = +24V, Load = 4Ω + 22µH) 48
13
Typical Characteristics (PVDD = +24V, Load = 8Ω + 22µH) 55
14
Typical Characteristics (PVDD = +21V, Load = 4Ω + 22µH) 62
15
Typical Characteristics (PVDD = +21V, Load = 8Ω + 22µH) 69
16
Register map 76
Read / Write Access (Power Mode Settings): 76
Read / Write Access (Power Mode Profile Settings): 77
Read / Write Access (I2S format configuration) 78
Read / Write Access (Volume control and limiter) 79
Read Only Access (Volume control and limiter monitor) 80
Read Only Access (Monitor Channel 0 and Channel 1) 81
Read Only Access (Error Register Monitoring): 82
17
Package Information 83
18
Tape and Reel Information 84
19
Revision History 85
20
Contents 86
Trademarks
All referenced product or service names and trademarks are the property of their respective owners.
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2018 Infineon Technologies AG.
All Rights Reserved.
Do you have a question about this
document?
Email: erratum@infineon.com
Document reference
IMPORTANT NOTICE
The information contained in this application note is
given as a hint for the implementation of the product
only and shall in no event be regarded as a
description or warranty of a certain functionality,
condition or quality of the product. Before
implementation of the product, the recipient of this
application note must verify any function and other
technical information given herein in the real
application. Infineon Technologies hereby disclaims
any and all warranties and liabilities of any kind
(including without limitation warranties of non-
infringement of intellectual property rights of any
third party) with respect to any and all information
given in this application note.
The data contained in this document is exclusively
intended for technically trained staff. It is the
responsibility of customer’s technical departments
to evaluate the suitability of the product for the
intended application and the completeness of the
product information given in this document with
respect to such application.
For further information on the product, technology,
delivery terms and conditions and prices please
contact your nearest Infineon Technologies office
(www.infineon.com).
WARNINGS
Due to technical requirements products may contain
dangerous substances. For information on the types
in question please contact your nearest Infineon
Technologies office.
Except as otherwise explicitly approved by Infineon
Technologies in a written document signed by
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Technologies, Infineon Technologies’ products may
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