DUAL LOW VOLTAGE POWER AMP
S1A2209A01
1
INTRODUCTION
The S1A2209A01 is a monolithic integrated audio amplifier in
an 8-pin plastic dualinline package. It is designed for use in por-
table cassette tape players and radios.
FEATURES
Wide range of operating supply voltage:
V
CC
= 1.8V -- 9V
Low crossover distortion
Low quiescent circuit current
Bridge/stereo configuration
ORDERING INFORMATION
BLOCK DIAGRAM
Device
Package
Operating Temperature
S1A2209A01-D0B0
8
-
DIP
-
300
-
20
C -- +70
C
S1A2209A01-S0B0
8
-
SOP
-
225
8
-
DIP
-
300
8
-
SOP
-
225
8
7
6
5
1
2
3
4
+
-
+
-
BIAS
CIRCUIT
OUT1
V
CC
OUT2
GND
NF1
IN1
IN2
NF2
S1A2209A01
DUAL LOW VOLTAGE POWER AMP
2
ABSOLUTE MAXIMUM RATINGS (Ta = 25
C)
ELECTRICAL CHARACTERISTICS
(Ta = 25
C, Vcc = 6V, f = 1kHz, unless otherwise specified)
Characteristic
Symbol
Value
Unit
Supply Voltage
V
CC
15
V
Output Peak Current
I
PK
1
A
Power Dissipation
P
D
at T
AMB
= 50
C 1.0
W
at T
CASE
= 50
C 1.4
Operating Temperature
T
OPR
-
20 -- + 70
C
Storage Temperature
T
STG
-
40 -- +150
C
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Operating Voltage
Vcc
-
1.8
-
9
V
Quiescent Circuit Current
I
CCQ
V
I
= 0
-
6
-
mA
Closed Loop Voltage
Gain
Gvc
Stereo
-
40
-
dB
Bridge
-
40
-
dB
Channel Balance
C
B
Stereo
-
1
0
1
dB
Output Power
P
O
Stereo
V
CC
= 6V, R
L
= 4
, THD=10%
0.4
0.65
-
W
V
CC
= 3V, R
L
= 4
, THD=10%
-
0.11
-
W
Bridge
V
CC
= 6V, R
L
= 8
, THD=10%
0.9
1.35
-
W
V
CC
= 3V, R
L
= 4
, THD=10%
-
0.35
-
W
Total Harmonic Distortion
THD
Stereo, R
L
= 8
, P
O
= 0.2W
-
0.3
-
%
Bridge, R
L
= 8
, P
O
= 0.5W
-
0.2
-
%
Ripple Rejection Ratio
RR
Stereo, f =100Hz, C
3
= 100uF
24
30
-
dB
Output Noise Voltage
V
NO
Stereo, BW (-3dB) = 20Hz -- 20kHz
-
0.5
2.0
mV
Cross Talk
CT
Stereo, f = 1kHz
-
50
-
dB
Input Resistance
R
I
-
100
-
-
k
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