TDA7497SA Datasheet, PDF (1/10 Pages) STMicroelectronics – 8W+8W+15W TRIPLE AMPLIFIER

TDA7497SA
8W+8W+15W TRIPLE AMPLIFIER
PRODUCT PREVIEW
1 FEATURES
■ 8+8W (RL = 8Ω) + 15W ( RL = 4Ω)
OUTPUT POWER @THD = 10%, Vcc = 25V
■ INDEPENDENT MUTE FOR CENTER
CHANNEL AND MAIN CHANNELS
■ NO TURN-ON TURN-OFF POP NOISE
■ NO BOUCHEROT CELL
■ SINGLE SUPPLY RANGING UP TO 35V
■ SHORT CIRCUIT PROTECTION
■ THERMAL OVERLOAD PROTECTION
■ INTERNALLY FIXED GAIN
■ SOFT CLIPPING
■ CLIPWATT 15 PACKAGE
2 DESCRIPTION
The TDA7497SA is a triple 8+8+15W class AB power
Figure 1. Package
Clipwatt15
Table 1. Order Codes
Part Number
TDA7497SA
Package
Clipwatt15
amplifier assembled in the @ Clipwatt 15 package,
specially designed for high quality sound, TV applica-
tions.
Features of the TDA7497SA include mute functions
independently controlled for main and center chan-
nels.
Figure 2. Block Diagram
PW_GND
11
C1
1
INR
470nF
S_GND
8
PW_GND_C
4
C2
5
INL
470nF
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
C3
6
INC
470nF
C4
SVR 7
470µF
+
-
30K
OP AMP
C5
3 OUTC
1000µF
PW_GND
15
D98AU961B
February 2005
This is preliminary information on a new product now in development. Details are subject to change without notice.
Rev. 3
1/10