TDA7494
10W AMPLIFIER WITH DC VOLUME CONTROL
10W OUTPUT POWER R
L
= 8鈩?
@ THD = 10% V
CC
= 28V
ST-BY AND MUTE FUNCTIONS
LINEAR VOLUME CONTROL DC COUPLED
WITH POWER OP AMPLIFIER
NO BOUCHEROT CELL
NO ST-BY RC INPUT NETWORK
SIGNAL LINE OUTPUT BEFORE VOLUME
CONTROLLING AND MUTING
3 SWITCHABLE VOLTAGE CONTROLLED
INPUT PINS
SINGLE SUPPLY RANGING UP TO 35V
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
INTERNALLY FIXED GAIN
SOFT CLIPPING
LOW TURN-ON TURN-OFF POP NOISE
MULTIWATT 15 PACKAGE
MULTIPOWER BI50II TECHNOLOGY
Multiwatt15
ORDERING NUMBER:
TDA7494
DESCRIPTION
The TDA7494 10W is class AB power amplifier
assembled in the @Multiwatt 15 package, spe-
cially designed for high quality sound, TV applica-
tions.
Features of the TDA7494 include volume control,
3 switchable inputs, Stand-by and mute functions.
BLOCK AND APPLICATION DIAGRAM
3x
470nF
IN 1
IN 2
IN 3
SW
5
6
1
2
3
VOL
PWR
1
13
14
+V
CC
470碌F
MUTE/STBY
PROTECTIONS
PWR GND
OUT
15
2K
SGN GND
8
2
4
3
SVR
7
9
STAND-BY
470碌F
10K
1碌F
10
100K
D95AU414D
MONITOR
OUT
100K
300nF
VOL CTL
300nF
SW CTL
MUTE
February 1997
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