Supply voltage range••••Vcc=6 to 9V Rated supply voltage••••Vcc=8V
VDD=4 to 6V VDD=5V
Block Diagram
ELECTRIC
MITSUBISHI
M62490FP
ELECTRIC VOLUME CONTROL WITH TONE
CONTROLLER FOR 4-SPEAKER APPLICATIONS
MITSUBISHI SOUND PROCESSOR
Developed for car audio
Uses it for analog small signal handling of stage before power amplifier
Use to Home audio system,television are thought about other than car audio system
Outline 36P2R
(1/10)
Built-in zero cross detector prevents click noise
Differential Amplifier
Loudness
Tone Control Bass/Mid/Treble
Master Volume/Fader Volume
Serial Data Control
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
Description
Features
Recommended Operating Conditions
LchIN
RchIN
Bass/
Mid/
Treble
Fader
Fader
Lch
Front
Rear
Front
Rear
Rch
Zero cross
Detector
Volume
&
Loudness
Differential
Amplifier
DEFP
IN2
DEFN
IN2
DEFP
IN1
DEFN
IN1
Mixing
Amp
Zero cross
Detector
Bass/
Mid/
Treble
Mixing
Amp
µ-com Interface
Differential
Amplifier
MITSUBISHI
ELECTRIC (2/10)
Pin Configuration & Application Example
I/F
VDD
(DIGITAL)
VDD
MCU
Vcc
200K
0.22µ
15 16 17
811 12 13
9 10 14
671 243
28 26 25
31 30 2224 23
27
29
33
3435
36
10µ
FROUT
RROUT
1µ
0.01µ
FROUT
RROUT
VCC
(ANALOG)
VCC
ZERO CROSS
DETECTOR
0.068µ 0.068µ
6.8K
ZERO CROSS
DETECTOR
RD
CD
TAPE
TV
VCR
RD
CD
TAPE
TV
VCR
REF
56K
56K 22K
22K
TIMER
DETECTOR
+
-
+
-
56K
56K 22K
22K
+
-
+
-
1µ
0.01µ
0.068µ 0.068µ
6.8K
20
21
N.C.
47K
47K 5
32
18
19
GND
LOUDNESS SW
2.2µ
2.2µ
A
A
B
B
SW A
SW B
Loudness ON
OFF
ON
Loudness OFF
ON
OFF
10K 820p
0.22µ
1.6K
10K 820p
0.22µ
1.6K
DIFFERENTIAL
AMPLIFIER SW
DIFFERENTIAL
AMPLIFIER SW
LOUDNESS SW
Outside Harmonic
parts for MID
Outside Harmonic
parts for MID
MITSUBISHI
ELECTRIC (3/10)
Pin Description
Pin No. Symbol
REF
DEFN IN1
MIX IN1
Function
1
2
3
4
TIM1
VOL IN1
BASSA1
5
6
7
8
MID1
TRE1
TONE OUT1
FADER IN1
GND
9
10
11
12
13
14
15
16
DEFP IN1 Differential amplifier input +
Mixing amplifier input -
BASSB1
REAR OUT1
FRONT OUT1
DATA
LOUD IN1
17
18
MIX OUT1
IC signal ground. Apply 1/2 Vcc
Input pin of the volume block
Pin for setting the frequency characteristics
of the loudness block
Pin for setting the frequency characteristics
of the tone(Bass) block
Ground
R-ladder terminal of tone(Treble)
R-ladder terminal of tone(Mid)
Output pin of the tone block
Input pin of the fader volume
Output pin of the fader volume(Rear)
Output pin of the fader volume(Front)
Timer setting terminal
The relationship between outside parts
C and setting time is T=13.8X 10 •C(sec).
Input pin of the control data
This pin inputs data in synchronization with CLOCK
4
Differential amplifier input -
Mixing amplifier input +
MITSUBISHI
ELECTRIC (4/10)
CLOCK
VDD
MIX IN2
20
21
22
23
VOL IN2
BASSB2
24
25
26
27 MID2
TRE2
TONE OUT2
FADER IN2
28
29
30
31
33
34
35
36
DEFP IN2
BASSA2
REAR OUT2
FRONT OUT2
Vcc
DEFN IN2 Differential amplifier input -
N.C.
19
32
LOUD IN2
MIX OUT2 Mixing amplifier output
Clock input pin for serial data transfer
Non Connection
Digital power supply pin, normally +5V
Output pin of the fader volume(Rear)
Output pin of the fader volume(Front)
Input pin of the fader volume
Output pin of the tone block
Pin for setting the frequency characteristics
of the tone(Bass) block
R-ladder terminal of tone(Treble)
R-ladder terminal of tone(Mid)
Pin for setting the frequency characteristics
of the loudness block
Input pin of the volume block
Analog power supply pin
Pin No. Symbol Function
Mixing amplifier input
Differential amplifier input +
Absolute Maximum Ratings
MITSUBISHI
ELECTRIC (5/10)
Ratings
Vcc,VDD Supply Voltage 10 , 7 V
Pd 990 mW
Ta≤25°C
K9.9 mW/°CTa≥25°C
Topr -30 ~ 85
-55 ~ 125Tstg
Thermal Derating
Ambient Temperature Ta [ °C ]
Power Dissipation Pd [ mW ]
Power Dissipation
Operating Temperature
Storage Temperature
°C
°C
Unit
Symbol Parameter Conditions
Thermal Derating Ratio
25 50 75 100 125 150
200
400
600
800
1000
960
85
385
Min typ Max
20 mA
Icc
G(Bass)B
G(Bass)C
G(Tre)B
G(Tre)C
ATT(FED)
THD
CS
Bass Boost
Channel Separation
Total Harmonic Distortion
Treble Boost
Bass Cut
Treble Cut
THD=1%
f=100Hz
f=10KHz
f=100Hz
f=10KHz
THD=1%
f=1KHz,Vo=0.5Vrms
f=1KHz
-2.5
1.8
13
-15
9
-15
1.8
-30
0
2.2
16
-12
12
-12
-90
2.2
-90
-27.5
2.5
19
-9
15
-9
-80
0.03
-80
dB
Vrms
%
dB
dB
dB
dB
dB
dB
Vrms
dB
0.05
µVrms
Rg=0,DIN-AUDIO
3 8
10 18
35
ATT(VOL)=-30dB -32.5
Rg=0,DIN-AUDIO
ATT(VOL)= -30dB
BW:400Hz to 30KHz
MITSUBISHI
ELECTRIC (6/10)
G(MID)B
G(MID)C
MID Boost
MID Cut
f=1KHz
f=1KHz -15 -12 -9
dB
dB
912 15
Pass Gain
GVdB
-3.5 0 3.5
Outside resister 22KΩ of pin4,33
Outside resister 56KΩ of pin2,3,34,35
Vi=1Vrms , f=1KHz
f=1KHz , BW:400Hz to 30KHz
Vi=1Vrms , f=1KHz
Ta=25°C,Vcc=8V,VDD=5V,VOL/FADER=0dB,TONE/FLAT,Loudness OFF unless otherwise noted
G(LOUD)L
G(LOUD)H
f=100Hz,ATT(VOL)=-30dB
f=10KHz,ATT(VOL)=-30dB dB
11.0
6.5
Vno 2
Vno 1
VOM
VIM
∆ATT(VOL)
ATT(VOL)
f=1KHz , BW:400Hz to 30KHz
ATT(FED)= -∞dB
15.07.0
3.5 9.5
No input signal
ATT(FED)= -∞dB
ATT(VOL)= 0dB
CT f=1KHz -75 -65 dB
Loudness ON
Loudness ON
Electrical Characteristics
Circuit current
Unit
Symbol Parameter Test Conditions Limits
Maximum Attenuation
Attenuation Error
Maximum Input Voltage
Maximum Attenuation
Maximum Output Voltage
Output Noise Voltage
Cross Talk of
Differential amplifier SW
Voltage Gain of Loudness
Outside Harmonic
amplifier
Outside Harmonic
amplifier
MITSUBISHI
ELECTRIC (7/10)
DATA
CLOCK
D1 D2D0 D3 D12 D15 D16
DATA reading mode ;
The rising edge of the CLOCK signal
LATCH SIGNAL "H"
RELATIONSHIP BETWEEN DATA AND CLOCK
LATCH reading mode ;
The falling edge of the CLOCK signal
V
Min typ Max
VIL
DIGITAL CIRCUIT DC CHARACTERISTICS
UnitSymbol Parameter Test conditions Limits
Min typ Max
VIH
IIL
IIH
"L" level input voltage DATA,CLOCK pins
DATA,CLOCK
pins
V =0
I
V =V
IDD
0
0.8VDD
VDD
0.2
VDD
-10 10
10
~
~
tcr
tWHC
tWLC
tr
tf
tSD
tHD
CLOCK Cycle time
CLOCK pulse width (''H'' level) 4
1.6
1.6
0.8
0.8
0.4
0.4 µ S
"H" level input voltage
"L" level input current
"H" level input current
DIGITAL CIRCUIT AC CHARACTERISTICS
UnitSymbol Parameter Limits
µA
CLOCK pulse width (''L'' level)
CLOCK rise time
CLOCK fall time
DATA setup time
DATA hold time
CLOCK
DATA
25%
75%
trtf
tcr
tWHC tWLC
tSD tHD
MITSUBISHI
ELECTRIC (8/10)
CLOCK DATA TIMING
MITSUBISHI
ELECTRIC (9/10)
Data Input Format
Volume Code
ATTV2 D10 D11
0dB
-1dB
-2dB
-3dB
D7 D9
0dB
-4dB
-8dB
-16dB
-20dB
-12dB 1
0 0 0
D8
1
0
1
0
0
1
1
0
0
0
0
0
1
1
1
0 0
1
00
1
1
-24dB
-28dB 011
1 1 1
0
0/1 0/1
0
1 0
0 1
0/1
0/1 0
0/1 0
0 0
D0 D16D15D12D11D10D9D8D7D6D5D4D3D2D1 D13 D14
Volume CH1 Volume CH2
Volume CH1 Volume CH2
(ATTV1) (ATTV2) (ATTV1) (ATTV2)
Fader(Front) Fader(Rear)Fader(Rear)Fader(Front)
(ATTF1) (ATTF2) (ATTF1) (ATTF2)
Bass Treble Mid
0:Loudness OFF
1:Loudness ON 0:Differential Amplifier SW OFF
1:Differential Amplifier SW ON
0:1CH
1:2CH 0:Both Channel
1:Side Channel 0:Front Point Zero Detect
1:Rear Point Zero Detect
Data Select(D15,D16)
00:Volume/Differential Amplifier SW/Loudness
10:Fader
01:Bass/Treble/Mid
D2 D3 D4CH1
CH2
ATTV1 CH1
CH2 D5 D6
Fader Code
ATTF1 D9 D10
0dB
-8dB
-16dB
-24dB
-32dB
-48dB
-56dB
D8
000
1000
0
0
1
0
1
0
1
1
1
0
0
1
1
0
0
1
1
1
1
0
0
0
0
0
0
1 0 0 1
D11
-∞dB
-40dB
-2dB
-4dB
-6dB
-10dB
-12dB
-14dB
0 0 0 1
0 1 0 1
1 1 0 1
0 0 1 1
10 1 1
0 1 11
D6 D7
0dB
-2dB
-4dB
-6dB 1
0 0
1
00
1
1
FRONT
REAR D12 D13
FRONT
REAR D3 D4D2 D5 ATTF2
Please keep ATTF2 to 0dB when you
set fader code from 0dB to -16dB
MITSUBISHI
ELECTRIC
Tone Code
(10/10)
D2 D3
12dB
10dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
8dB
00 0
10 0 0
0
D1
Bass D0
14dB
16dB
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
1
1
0
0
0
0
0
0
10 0
10 0
0
1
0
1
0
1
1
0
0
1
0
0
1
1
1
1
1
1
1
1
1
12dB
10dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
8dB
D6 D7
D5
Treble D4
000
100 0
0
0
1
0
1
0
1
1
0
0
1
0
0
1
1
1
0
0
0
0
0
100
0
1
0
1
0
1
1
0
0
1
0
0
1
1
1
1
1
1
1
1
1
12dB
10dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
8dB
D10 D11D9
Mid D8
0 0 0
1000
0
0
1
0
1
0
1
1
0
0
1
0
0
1
1
1
0
0
0
0
0
1 0 0
0
1
0
1
0
1
1
0
0
1
0
0
1
1
1
1
1
1
1
1
1
