GMA7496L_1 Datasheet, PDF (1/12 Pages) Gamma Microelectronics Inc. – 2W+2W AMPLIFIER WITH DC VOLUME CONTROL

GMA7496L
2W+2W AMPLIFIER WITH DC
VOLUME CONTROL
Description
The GMA7496L is a stereo 2W+2W class AB power
amplifier assembled in the Powerdip 14+3+3 package,
specially designed for high quality sound, TV and
monitor applications.
Features of the GMA7496L include linear volume
control, stand-by and mute functions.
Features
‹ 2W+2W Output Power R_L = 8Ω @THD =
10%, V_CC = 14V
‹ Standby and Mute Functions
‹ Low Turn- on Turn-off POP Noise
‹ Linear Volume Control DC Coupled
With Power Op- amp.
‹ No Boucherot Cell
‹ No St-by RC Input Network
‹ Single Supply Ranging up to 15V
‹ Short Circuit Protection
‹ Thermal Overload Protection
‹ Internally Fixed Gain
‹ Soft Clipping
‹ Variable Output After Volume Control
Circuit
‹ DIP- 20 & SOP- 20 Package
Typical Application Circuit
GND ^{1, 2, 3, 13,}
18, 19, 20
INR
9
470nF
30K
Varout_R
7
Volume
V_S
15, 16
OP-Amp
470nF
INL
4
SVR 10
Volume
30K
6
Volume
MUTE/STBY
PROTECTIONS
60K
OP-Amp
5
Varout_L _+5V
300K
1000µF
14
OUTR
11 STBY
12 MUTE
10K
1µF
17 OUTL ^1000µF
S1 ST-BY
+5V
GND
+5V
S2 MUTE
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