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NJM2166
MONAURAL AUDIO POWER AMPLIFI ER IC
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■ GENERAL DES CRIPTION ■ PACKAGE OUTLINE
■ FEATURES
●Operating Volt age (2.7V to 8.5V)
●AUX input
●Suspend Mode Function
●Mute Function
●EVR funct i on
●Bipolar Tech nology
●Package outline SSOP14,VSP10
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■ PIN CON FI GU RATION
No. NAME No. NAME
1V
+8NC
2NC9EVR
3 SP-IN 10 BIAS
4 AUX 11 SPOUT-1
5 AM 12 SPOUT-2
6 SUSPEND 13 NC
7NC14GND
No. NAME No. NAME
1V
+6EVR
2 SP-IN 7 BIAS
3 AUX 8 SPOUT-1
4 AM 9 SPOUT-2
5 SUSPEND 10 GND
The NJM2166 are monaural power amplifier suitable for
mobile communication equipment. It is possible to operate
on low operating voltage such as 2.7V and incorporates
mute function, suspend functio n and AUX input.
1
4
2
3
5
6
78
10
9
14
13
12
11
1
4
2
3
56
7
8
10
9
NJM2166V
NJM2166R
NJM2166V
NJM2166R
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NJM2166
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■ BLOC K DIAGRAM
NC
NJM2166R Block Diagram
AUX
AUXAUX
AUX
R-in
R-inR-in
R-in
SP-OUT2
SP-OUT2SP-OUT2
SP-OUT2
GND
GNDGND
GND SP-OUT1
SP-OUT1SP-OUT1
SP-OUT1 EVR/MUTE
EVR/MUTEEVR/MUTE
EVR/MUTE
BIAS
BIASBIAS
BIAS
AM
AMAM
AM
SP-SUSPEND
SP-SUSPENDSP-SUSPEND
SP-SUSPEND
SUSPEND
SUSPENDSUSPEND
SUSPEND
V+
V+V+
V+
V
VV
V+
++
+
10
52
967
314
8
L
LL
L-in
-in-in
-in
+
++
+
EVR
NJM2166V Block Diagram
L-in R-in AUX
14 13 12 11 10 9 8
SP
SUSPEND
NC
V+
EVR
BIAS
AM SUSPEND
1 2 3 4 5 6 7
NC
NC SP SP EVR/
-OUT2 -OUT1 MUTE
V+
GND 10
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NJM2166
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■ ABSO LUT E MA XI MA M RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V++9.0 V
Power Dissipation PD(SSOP14)
(VSP10) 300
320 mW
Operating Te mp erat ure Range Topr -40 to +85 °C
Storage Temp erat ure Range Tstg -50 to +150 °C
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■ RECOMMENDATION OPERATING LIMITS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Operatin g Voltag e Operatin g Voltag e V++2.7 to +8.5 V
■
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■ ELE CTRI CAL CHA RACTERISTI CS (V+=3.0V, Ta=25°C)
●OPERATING CURRENT
PARAM ET ER TEST CO NDI TI O N SYMBO L MIN. TYP. MAX. UNIT
Operating Current No signal,Vevr=0.3V Iq 2.0 2.5 3.5 mA
Operating Current
SUSPEND No signal,VSUS=H Iqs 100 150 200 µA
●SPEAKER AMP1
(Input : SP IN, RINSP=15kΩ)
PARAM ET ER TEST CO NDI TI O N SYMBO L MIN. TYP. MAX. UNIT
Output Voltage Lev el Vin=-16.0dBV,RL=8ΩVO-6.5 -4.0 -1.5 dBV
Total Harmonic Distortion Vin=-16.0dBV,RL=8ΩTHD - 0.9 1.8 %
Maximum Output Level1 RL=8Ω,THD=3%,A-Weighted VOM1 -2.5 0.0 - dBV
Maximum Output Level2 V+=5V,RL=16Ω,THD=3%,
A-Weighted VOM2 -4.5 7.0 - dBV
Output Remain Noise Rg=1kΩ,A-Weighted Von - -82 -75 dBV
Mute Level Vin=-16dBV,Vevr=0.3V,
A-Weighted VooffSP --78-70dBV
●SPEAKER AMP2
(Input : AUX I N,RINAUX=30kΩ)
PARAM ET ER TEST CO NDI TI O N SYMBO L MIN. TYP. MAX. UNIT
Output Level VinAUX=-16.0dBV,RL=8ΩVOAUX -12.5 -10.0 -7.5 dBV
AUX Mix Off Level VinAUX=-16.0dB V, VAM=L,
A-Weighted VoOffAUX --78-70dBV
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●
●●
●CONTROL BLOCK
MUTE JUDGMENT LEVEL (EVR TERMINAL)
PARAM ET ER TEST CO NDI TI O N SYMBO L MIN. TY P. M AX . UNIT
MUTE ON VMON -GND-0.4 - V
MUTE OFF VMOFF -0.4-V
+-V
SUSPEND CONTROL BL OCK (SUSPEND TERMINAL)
PARAM ET ER TEST CO NDI TI O N SYMBO L MI N. TY P. MAX. UNIT
SUSPEND ON VSH 1.5 - V+V
SUSPEND OFF VSL GND - 0.4 V
AUX.MIX CONTROL BLOCK (AMTERMINAL)
PARAM ET ER TE ST CO NDI TI ON SY MBO L MI N. TY P. MAX. UNIT
AUX MIX ON VAMH 1.5 - V+V
AUX MIX OFF VAML GND - 0.4 V
(Note) Unless specified, test ed w it h next mode below.
TERMINAL
NAMBER
TERMINAL NAME SYMBOL NJM2166E/V
(NJM2166R)
CONDITION STATUS
EVR CON T ROL EVR 9 pin
(6 pin) Vevr= V+EVR=MAX.
SUSP END CONTROL SUS PEND 6 pin
(5 pin) VSUS=L SUSPEND OFF
AUX.MIX CONTROL AM 5 pin
(4 pin) VAM=H AUX.MIX ON
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■ TEST CIRCUIT
1 2 3 4 5 6 7
L-in R-in AUX
1 2 3 4 5 6 7
NJM2166V TEST CIRCUIT
NC
14 13 12 11 10 9 8
SP
SUSPEND
NC
V+
EVR
BIAS
AM SUSPEND
NC NC
NC SP SP EVR/
-OUT2 -OUT1 MUTE
V+
GND 10
NJM2166R TEST CIRCUIT
A
UX
R-in
SP-OUT2
GND SP-OUT1 EVR/MUTE
BIAS
A
M
SP-SUSPEND
SUSPEND
V
+
V
+
10
52
967
314
8
L-in
+
++
+
EVR
RL
15k 15k 30k
RL
15k 15k 30k
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■ TERMINAL EXPLANATION (CONDITION : V+ = 3.0V)
TERMINAL NAMBER
NJM2166V NJM2166R TERMINAL NAME FUNKTION TERMINAL
VOLTAGE(V) OTHERS
11 V+Supply Terminal 3.0 -
3 2 SP-I N Spea ker I nput 1.1 Base(PNP)
4 3 AUX AUX Input 1. 1 Base(PNP)
54 AM
Speaker AUX.MIX
ON/OFF Control 0.0 100kΩ PULL
DOWN
6 5 SUSPEND Suspend Control - Base(PN P)
9 6 EVR/MUTE EVR & M ute Cont r o l 1.0 Base( PNP)- R
10 7 BIAS Bias 1.1 Base(PNP)
11 8 SP OUT1 BTL Negative Output 1. 1 EMI-F(NPN)
12 9 SP OUT2 BTL Positive Out put 1.1 EMI-F(NPN)
14 10 GND GND 0.0 -
2,7,8,13 - NC - - -
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■ CONTROL TERMINAL EXPLANATION
1: MUTE CTRL (EVR)
PARAMETER STATUS NOTE
MUTE O N GN D-0. 4V The amplifier is not given off signal
MUTE OFF 0.4V-V+The am pl ifier is given off signal.
2: SUSPEND CTRL (SUSPEND)
PARAMETER STATUS NOTE
SUSPE ND ON H Amplifier is n on-active
SUSPEND OFF L Amplifier is active
3: AUX.MIX CTRL (AM)
PARAMETER STATUS NOTE
AUX MIX ON H AUX signal get in amplifier.
AUX MIX O FF L AUX signal don’t get in amplifier.
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■ EVR DES CRI PTI O N
The EVR terminal possesses that interior power amplifier gain control function. It is in proportion to
input DC voltage.
And this t erminal c an reduction pop noise. In t hat case establish the voltage “mute bias level”.
This functi on’s is shown in Figure 1.
Figure 1
INPUT BIAS LEVEL
MUTE BIAS
INPUT LEVEL
V
olume
Level
MEMO
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
