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G1432LF31U

更新时间： 2024-11-21 20:10:11
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致新 - GMT 放大器商用集成电路
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Audio Amplifier

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G1432LF31U 数据手册

 浏览型号G1432LF31U的Datasheet PDF文件第2页 
Global Mixed-mode Technology Inc.  
2.6W Stereo Audio Amplifier  
General Description  
G1432  
Features  
„
Depop Circuitry Integrated  
The G1432 is a stereo audio power amplifier in 24pin  
TSSOP thermal pad package or 24pin QFN package.  
It can drive 2.0W continuous RMS power into 4Ω load  
per channel in Bridge-Tied Load (BTL) mode at 5V  
supply voltage. Its THD is smaller than 1% under the  
above operation condition. The G1432 can mute the  
output when Mute is activated. For the low current  
consumption applications, the SHDN mode is sup-  
ported to disable the G1432 when it is idle. The cur-  
rent consumption can be further reduced to below  
5µA.  
„
Output Power at 1% THD+N, VDD=5V  
--2.0W/CH (typical) into a 4Ω Load  
--1.3W/CH (typical) into a 8Ω Load  
Output Power at 10% THD+N, VDD=5V  
--2.6W/CH (typical) into a 4Ω Load  
--1.6W/CH (typical) into a 8Ω Load  
Maximum Output Power Clamping Circuitry  
Integrated  
„
„
„
„
„
„
Bridge-Tied Load (BTL)  
Stereo Input MUX  
Mute and Shutdown Control Available  
Surface-Mount Power Package  
24-Pin TSSOP-P & 24-Pin QFN Available  
The G1432 also supports two input paths, that means  
two different gain loops can be set in the same PCB  
and choosing either one by setting IN1/IN2 pin. It en-  
hances the hardware designing flexibility. The G1432  
also supports an extra function -- the maximum output  
power clamping function to protect the speakers from  
burned-out.  
Applications  
„
Stereo Power Amplifiers for Notebooks or  
Desktop Computers  
„
„
Multimedia Monitors  
Stereo Power Amplifiers for Portable Audio  
Systems  
Ordering Information  
ORDER  
NUMBER  
G1432F3U  
G1432Q5U  
TEMP.  
RANGE  
PACKAGE  
(Pb free)  
MARKING  
G1432  
G1432  
-40°C to +85°C TSSOP-24 (FD)  
-40°C to +85°C QFN4X4-24  
Note: F3:TSSOP-24 (FD) Q5:QFN4X4-24  
U: Tape & Reel  
Pin Configuration  
G1432  
24 GND/HS  
23 VOL  
GND/HS  
NC  
1
2
3
4
5
6
7
8
9
12  
ROUT-  
ROUT+ 19  
VOL 20  
LOUT+  
LIN1  
22 ROUT+  
21 RIN1  
11  
10  
9
MUTE  
GND/HS  
GND/HS 21  
Thermal  
20  
19  
18  
17  
16  
15  
LIN2  
RIN2  
22  
Pad  
GND/HS  
NC  
GND/HS  
RBYPASS  
LBYPASS  
Thermal  
Pad  
RVDD  
GND  
LVDD  
SHUTDOWN  
NC  
NC 23  
8
LOUT-  
LOUT+ 24  
7
IN1/IN2  
ROUT-  
LOUT- 10  
NC 11  
14 MUTE  
GND/HS  
GND/HS  
12  
13  
Top View  
Bottom View  
TSSOP-24 (FD)  
G1432 QFN4X4-24  
Note: Recommend connecting the Thermal Pad to the GND for excellent power dissipation.  
TEL: 886-3-5788833  
http://www.gmt.com.tw  
Ver: 1.3  
Apr 13, 2007  
1
12

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