TDA7233S.pdf

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1W AUDIO AMPLIFIER WITH MUTE
TDA7233S
1W AUDIO AMPLIFIER WITH MUTE
OPERATING VOLTAGE 1.8 TO 15V
EXTERNAL MUTE OR POWER DOWN
FUNCTION
IMPROVED SUPPLY VOLTAGE REJECTION
LOW QUIESCENT CURRENT
HIGH POWER CAPABILITY
LOW CROSSOVER DISTORTION
DESCRIPTION
The TDA7233S is a monolithic integrated circuit
in SIP 9, intended for use as class AB power am-
plifier with a wide range of supply voltage from
1.8V to 15V in portable radios, cassette recorders
and players.
SIP9
ORDERING NUMBER: TDA7233S
TEST AND APPLICATION CIRCUIT
MUTE SWITCH
CONDITION
OPEN
CLOSED
MUTE
PLAY
May 1997
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TDA7233S
PIN CONNECTION (Top view)
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V S
Supply Voltage
16
V
I O
Output Peak Current
1
A
P tot
Total Power Dissipation T amb =50
°
C
1
W
T stg ,T j Storage and Junction Temperature
-40 to 150
°
C
THERMAL DATA
Symbol
Description
Value
Unit
R th j-amb
R th j-case
Thermal Resistance Junction-ambient
Thermal Resistance Junction-pins
Max
Max
70
10
°
C/W
2/6
°
C/W
20664620.003.png
TDA7233S
ELECTRICAL CHARACTERISTICS (V S = 6V, T amb =25
°
C, unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V S
Supply Voltage
1.8
15
V
V O
Quiescent Output Voltage
27
V
V S =3V
V S =9V
1.2
4.2
V
V
I d
Quiescent Drain Current
PLAY
3.6
9
mA
MUTE
0.4
mA
I b
Input Bias Current
100
nA
P O
Output Power
d = 10% f = 1kHz
V S = 12V R L =8
W
V S =9V R L =4
1.9
1.6
1
0.4
0.7
110
70
W
W
W
W
W
mW
mW
W
V S =9V R L =8
W
V S =6V R L =8
0.8
W
V S =6V R L =4
W
V S =3V R L =4
0.45
W
V S =3V R L =8
W
d
Distortion
P O = 0.5W R L =8
W
0.3
%
f = 1KHz
V S =9V
G V
Closed Loop Voltage Gain
f = 1KHz
39
dB
R IN
Input Resistance
f = 1KHz
100
K
W
e N
Total Input Noise (R S = 10K
W
)
B = Curve A
2
m
V
m
V
B = 22Hz to 22KHz
3
SVR
Supply Voltage Rejection
R g = 10K
W
f = 100Hz
40
45
dB
MUTE Attenuation
V O = 1V, f = 100Hz to 10KHz
70
dB
MUTE Threshold
0.6
V
I M
MUTE Current
V S = 15V
0.4
2
mA
Figure 1: Output Power vs. Supply Voltage
Figure 2: Supply Voltage Rejection vs. Frequency
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TDA7233S
Figure 3: DC Output Voltage vs. Supply Voltage
Figure 4: Quiescent Current vs. Supply Voltage
Figure 5: Total Dissipated Power vs. Supply Volt-
age
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TDA7233S
SIP9 PACKAGE MECHANICAL DATA
DIM.
mm
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
A
7.1
0.280
a1
2.7
3
0.106
0.118
B
23
0.90
B3
24.8
0.976
b1
0.5
0.020
b3
0.85
1.6
0.033
0.063
C
3.3
0.130
c1
0.43
0.017
c2
1.32
0.052
D
21.2
0.835
d1
14.5
0.571
e
2.54
0.100
e3
20.32
0.800
L
3.1
0.122
L1
3
0.118
L2
17.6
0.693
L3
0.25
0.010
L4
17.4
17.85
0.685
0,702
M
3.2
0.126
N
1
0.039
P
0.15
0.006
D
C
c2
N
P
M
1
9
b1
b3
e
c1
e3
B
B3
SIP9
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