TDA7494 查看數據表（PDF） - STMicroelectronics
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TDA7494 Datasheet PDF : 12 Pages
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TDA7494
10W AMPLIFIER WITH DC VOLUME CONTROL
10W OUTPUT POWER RL = 8Ω,
@ THD = 10% VCC = 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
BLOCK AND APPLICATION DIAGRAM
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.
3x
470nF
5
IN 1
6
IN 2
1
IN 3
PWR GND
15
SGN GND 8
D95AU414D
SW
1
2
3
VOL
2K
PWR
13 +VCC
14
470µF
MUTE/STBY
PROTECTIONS
OUT
100K
2
4
MONITOR
OUT
100K
300nF
3
7
9
10
SVR
STAND-BY
10K
1µF
300nF
470µF
SW CTL
VOL CTL
MUTE
February 1997
1/12
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