STMICROELECTRONICS TDA7233S

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 amplifier 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
May 1997
MUTE SWITCH
CONDITION
OPEN
CLOSED
MUTE
PLAY
1/6
TDA7233S
PIN CONNECTION (Top view)
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
16
V
VS
Supply Voltage
IO
Output Peak Current
1
A
Total Power Dissipation Tamb = 50°C
1
W
-40 to 150
°C
Ptot
Tstg, Tj
Storage and Junction Temperature
THERMAL DATA
Symbol
Rth j-amb
Rth j-case
2/6
Description
Thermal Resistance Junction-ambient
Thermal Resistance Junction-pins
Max
Max
Value
Unit
70
10
°C/W
°C/W
TDA7233S
ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25°C, unless otherwise specified)
Symbol
Parameter
VS
Supply Voltage
VO
Quiescent Output Voltage
Id
Quiescent Drain Current
Ib
Input Bias Current
PO
Output Power
d
Test Condition
Min.
Typ.
1.8
Max.
Unit
15
V
27
V
VS = 3V
VS = 9V
1.2
4.2
V
V
PLAY
3.6
MUTE
0.4
mA
100
nA
1.9
1.6
1
0.4
0.7
110
70
W
W
W
W
W
mW
mW
0.3
%
39
dB
d = 10%
VS = 12V
VS = 9V
VS = 9V
VS = 6V
VS = 6V
VS = 3V
VS = 3V
f = 1kHz
RL = 8Ω
RL = 4Ω
RL = 8Ω
RL = 8Ω
RL = 4Ω
RL = 4Ω
RL = 8Ω
0.8
0.45
9
mA
Distortion
PO = 0.5W
f = 1KHz
GV
Closed Loop Voltage Gain
f = 1KHz
R IN
Input Resistance
f = 1KHz
eN
Total Input Noise (RS = 10KΩ)
B = Curve A
2
B = 22Hz to 22KHz
3
µV
µV
45
dB
70
dB
SVR
100
Supply Voltage Rejection
R g = 10KΩ f = 100Hz
MUTE Attenuation
VO = 1V, f = 100Hz to 10KHz
MUTE Threshold
IM
RL = 8Ω
VS = 9V
MUTE Current
Figure 1: Output Power vs. Supply Voltage
40
KΩ
0.6
VS = 15V
0.4
V
2
mA
Figure 2: Supply Voltage Rejection vs. Frequency
3/6
TDA7233S
Figure 3: DC Output Voltage vs. Supply Voltage
Figure 5: Total Dissipated Power vs. Supply Voltage
4/6
Figure 4: Quiescent Current vs. Supply Voltage
TDA7233S
SIP9 PACKAGE MECHANICAL DATA
mm
DIM.
MIN.
inch
TYP.
MAX.
A
MIN.
TYP.
MAX.
7.1
a1
2.7
0.280
3
B
0.106
0.118
23
B3
0.90
24.8
b1
0.976
0.5
b3
0.020
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
d1
0.835
14.5
0.571
e
2.54
0.100
e3
20.32
L
0.800
3.1
0.122
L1
3
L2
17.6
0.118
0.693
L3
0.25
L4
17.4
0.010
17.85
M
3.2
N
1
0.685
0,702
0.126
0.039
P
0.15
0.006
C
D
L1
L3
c2
N
P
1
9
L
a1
L2
L4
A
d1
M
b1
b3
e
c1
e3
B
B3
SIP9
5/6
TDA7233S
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGSTHOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectronics.
 1997 SGS-THOMSON Microelectronics – Printed in Italy – All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
6/6