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GMA7496L ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - Gamma Microelectronics Inc.

๋ถ€ํ’ˆ๋ช… GMA7496L
์ƒ์„ธ๋‚ด์šฉ  2W2W AMPLIFIER WITH DC VOLUME CONTROL
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์ œ์กฐ์‚ฌ  GAMMA [Gamma Microelectronics Inc.]
ํ™ˆํŽ˜์ด์ง€  http://www.gammamicro.com.tw/
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GMA7496L ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - Gamma Microelectronics Inc.

 
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GMA7496L
2W+2W AMPLIFIER WITH DC
VOLUME CONTROL
www.gammamicro.com.tw
Typical Application Circuit
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 RL = 8โ„ฆ @THD =
10%, VCC = 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
INR
INL
GND
1, 2, 3, 13,
18, 19, 20
30K
30K
SVR 10
9
4
470nF
470nF
Volume
Varout_R
Varout_L
7
5
Volume
VS
15, 16
OP-Amp
OP-Amp
60K
1000ยตF
1000ยตF
14
12
11
17
OUTR
OUTL
MUTE
STBY
300K
Volume
6
+5V
S1 ST-BY
S2 MUTE
+5V
+5V
GND
1ยตF
10K
MUTE/STBY
PROTECTIONS


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