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NJM2166
MONAURAL AUDIO POWER AMPLIFIER IC
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
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FEATURES
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Operating Voltage
(2.7V to 8.5V)
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AUX input
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Suspend Mode Function
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Mute Function
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EVR function
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Bipolar Technology
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Package outline EMP14,SSOP14,VSP10
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PIN CONFIGURATION
No.
NAME
No.
NAME
1
V
+
8
NC
2
NC
9
EVR
3
SP-IN
10
BIAS
4
AUX
11
SPOUT-1
5
AM
12
SPOUT-2
6
SUSPEND
13
NC
7
NC
14
GND
No.
NAME
No.
NAME
1
V
+
6
EVR
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 function and AUX input.
1
4
2
3
5
6
7
8
10
9
14
13
12
11
1
4
2
3
5
6
7
8
10
9
NJM2166E/V
NJM2166R
NJM2166E NJM2166V
NJM2166R
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NJM2166
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BLOCK DIAGRAM
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NJM2166R Block Diagram
AUX
AUX
AUX
AUX
R-in
R-in
R-in
R-in
SP-OUT2
SP-OUT2
SP-OUT2
SP-OUT2
GND
GND
GND
GND
SP-OUT1
SP-OUT1
SP-OUT1
SP-OUT1
EVR/MUTE
EVR/MUTE
EVR/MUTE
EVR/MUTE
BIAS
BIAS
BIAS
BIAS
AM
AM
AM
AM
SP-SUSPEND
SP-SUSPEND
SP-SUSPEND
SP-SUSPEND
SUSPEND
SUSPEND
SUSPEND
SUSPEND
V+
V+
V+
V+
V
V
V
V+
+
+
+
10
5
2
9
6
7
3
1
4
8
L
L
L
L-in
-in
-in
-in
+
+
+
+
EVR
NJM2166 E/V 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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ABSOLUTE MAXIMAM RATINGS (Ta=25
C)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
V
+
+9.0
V
Power Dissipation
P
D
(EMP14)
(SSOP14)
(VSP10)
300
300
320
mW
Operating Temperature Range
Topr
-40 to +85
C
Storage Temperature Range
Tstg
-50 to +150
C
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RECOMMENDATION OPERATING LIMITS (Ta=25
C)
PARAMETER
SYMBOL
RATINGS
UNIT
Operating Voltage
Operating Voltage
V
+
+2.7 to +8.5
V
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ELECTRICAL CHARACTERISTICS (V
+
=3.0V, Ta=25
C)
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OPERATING CURRENT
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
Operating Current
No signal,Vevr=0.3V
Iq
2.0
2.5
3.5
mA
Operating Current
SUSPEND
No signal,V
SUS
=H
Iqs
100
150
200
A
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SPEAKER AMP1
(Input : SP IN,R
INSP
=15k
)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
Output Voltage Level
Vin=-16.0dBV,R
L
=8
V
O
-6.5
-4.0
-1.5
dBV
Total Harmonic Distortion
Vin=-16.0dBV,R
L
=8
THD
-
0.9
1.8
%
Maximum Output Level1
R
L
=8
,THD=3%,A-Weighted
V
OM
1
-2.5
0.0
-
dBV
Maximum Output Level2
V
+
=5V,R
L
=16
,THD=3%,
A-Weighted
V
OM
2
-4.5
7.0
-
dBV
Output Remain Noise
Rg=1k
,A-Weighted
Von
-
-82
-75
dBV
Mute Level
Vin=-16dBV,Vevr=0.3V,
A-Weighted
Vo
offSP
-
-78
-70
dBV
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SPEAKER AMP2
(Input : AUX IN,R
INAUX
=30k
)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
Output Level
Vin
AUX
=-16.0dBV,R
L
=8
V
O
AUX
-12.5
-10.0
-7.5
dBV
AUX Mix Off Level
Vin
AUX
=-16.0dBV, V
AM
=L,
A-Weighted
Vo
OffAUX
-
-78
-70
dBV
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NJM2166
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CONTROL BLOCK
MUTE JUDGMENT LEVEL (EVR TERMINAL)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
MUTE ON
V
MON
-
GND-0.4
-
V
MUTE OFF
V
MOFF
-
0.4-V
+
-
V
SUSPEND CONTROL BLOCK (SUSPEND TERMINAL)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
SUSPEND ON
V
SH
1.5
-
V
+
V
SUSPEND OFF
V
SL
GND
-
0.4
V
AUX.MIX CONTROL BLOCK (AMTERMINAL)
PARAMETER
TEST CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
AUX MIX ON
V
AMH
1.5
-
V
+
V
AUX MIX OFF
V
AML
GND
-
0.4
V
(Note) Unless specified, tested with next mode below.
TERMINAL
NAMBER
TERMINAL NAME
SYMBOL
NJM2166E/V
(NJM2166R)
CONDITION
STATUS
EVR CONTROL
EVR
9 pin
(6 pin)
Vevr= V
+
EVR=MAX.
SUSPEND CONTROL
SUSPEND
6 pin
(5 pin)
V
SUS
=L
SUSPEND OFF
AUX.MIX CONTROL
AM
5 pin
(4 pin)
V
AM
=H
AUX.MIX ON
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NJM2166
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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
NJM2166E/V 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
AUX
R-in
SP-OUT2
GND
SP-OUT1
EVR/MUTE
BIAS
AM
SP-SUSPEND
SUSPEND
V+
V+
10
5
2
9
6
7
3
1
4
8
L-in
+
+
+
+
EVR
RL
15k
15k
30k
RL
15k
15k
30k
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NJM2166
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TERMINAL EXPLANATION (CONDITION : V
+
= 3.0V)
TERMINAL NAMBER
NJM2166E/V NJM2166R
TERMINAL NAME
FUNKTION
TERMINAL
VOLTAGE(V)
OTHERS
1
1
V
+
Supply Terminal
3.0
-
3
2
SP-IN
Speaker Input
1.1
Base(PNP)
4
3
AUX
AUX Input
1.1
Base(PNP)
5
4
AM
Speaker AUX.MIX
ON/OFF Control
0.0
100k
PULL
DOWN
6
5
SUSPEND
Suspend Control
-
Base(PNP)
9
6
EVR/MUTE
EVR & Mute Control
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 Output
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 ON
GND-0.4V
The amplifier is not given off signal
MUTE OFF
0.4V-V
+
The amplifier is given off signal.
2: SUSPEND CTRL (SUSPEND)
PARAMETER
STATUS
NOTE
SUSPEND ON
H
Amplifier is non-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 OFF
L
AUX signal don't get in amplifier.
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EVR DESCRIPTION
The EVR terminal possesses that interior power amplifier gain control function. It is in proportion to
input DC voltage.
And this terminal can reduction pop noise. In that case establish the voltage "mute bias level".
This function's is shown in Figure 1.
Figure 1
INPUT BIAS LEVEL
MUTE BIAS
INPUT LEVEL
Volume
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.
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