TDA7497S Datasheet, PDF (1/7 Pages) STMicroelectronics – 8W+8W+15W TRIPLE AMPLIFIER

TDA7497S
8W+8W+15W TRIPLE AMPLIFIER
s 8+8W (RL = 8Ω) + 15W ( RL = 4Ω)
OUTPUT POWER @THD = 10%, Vcc = 25V
s INDEPENDENT MUTE FOR CENTER
CHANNEL AND MAIN CHANNELS
s NO TURN-ON TURN-OFF POP NOISE
s NO BOUCHEROT CELL
s SINGLE SUPPLY RANGING UP TO 35V
s SHORT CIRCUIT PROTECTION
s THERMAL OVERLOAD PROTECTION
s INTERNALLY FIXED GAIN
s SOFT CLIPPING
s MULTIWATT 15 PACKAGE
MULTIPOWER BI50II TECHNOLOGY
Multiwatt15
ORDERING NUMBER: TDA7497S
DESCRIPTION
The TDA7497S is a triple 8+8+15W class AB power
amplifier assembled in the @ Multiwatt 15 package,
specially designed for high quality sound, TV applica-
tions.
BLOCK DIAGRAM
Features of the TDA7497S include mute functions,
independently controller for main and center chan-
nels.
PW_GND
11
C1
1
INR
470nF
S_GND
8
PW_GND_C
4
C2
5
INL
470nF
C3
6
INC
470nF
C4
SVR 7
470µF
V_{S_C}
2
V_S
13
C11
0.1µF
+V_S
C9
1000µF
C10
C8 1000µF
0.1µF
+
14
-
30K
OP AMP
OUTR
C12 1µF
9
10K R2
S1 MUTE2
(CENTER)
+5V
MUTE
PROTECTIONS
+
MUTE2
10K R1
S_GND
10 MUTE1
60K
C7
1µF
12 OUTL
+5V
S2 MUTE1
(L/R)
-
30K
OP AMP
C6 1000µF
+
-
30K
OP AMP
C5
3 OUTC
1000µF
PW_GND
15
D98AU961B
April 2003
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