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G1432

Global Mixed-mode Technology
Part Number G1432
Manufacturer Global Mixed-mode Technology
Description 2W Stereo Audio Amplifier
Published Sep 25, 2008
Detailed Description Global Mixed-mode Technology Inc. G1432 2W Stereo Audio Amplifier Features Depop Circuitry Integrated „ Output Power a...
Datasheet PDF File G1432 PDF File

G1432
G1432

Overview
Global Mixed-mode Technology Inc.
G1432 2W Stereo Audio Amplifier Features Depop Circuitry Integrated „ Output Power at 1% THD+N, VDD=5V --1.
8W/CH (typical) into a 4Ω Load --1.
2W/CH (typical) into a 8Ω Load „ Maximum Output Power Clamping Circuitry Integrated „ Bridge-Tied Load (BTL) „ Stereo Input MUX „ Mute and Shutdown Control Available www.
DataSheet4U.
com „ Surface-Mount Power Package 24-Pin TSSOP-P & 24-Pin QFN Available „ General Description The G1432 is a stereo audio power amplifier in 24pin TSSOP thermal pad package or 24pin QFN package.
It can drive 1.
8W 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 supported to disable the G1432 when it is idle.
The current consumption can be further reduced to below 5µA.
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 enhances 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 MARKING NUMBER G1432F3U G1432Q5U G1432 G1432 TEMP.
RANGE -40°C to +85°C PACKAGE (Pb free) QFN4X4-24 -40°C to +85°C TSSOP-24 (FD) Note: F3:TSSOP-24 (FD) Q5:QFN4X4-24 U: Tape & Reel Pin Configuration RBYPBASS RIN1 RIN2 RVDD G1432 GND/HS NC LOUT+ LIN1 LIN2 LBYPASS LVDD SHUTDOWN NC 1 2 3 4 5 6 7 8 9 24 23 22 21 20 19 18 17 16 15 14 13 GND/HS VOL ROUT+ RIN1 RIN2 RBYPASS RVDD GND IN1/IN2 ROUTMUTE GND/HS ROUT+ VOL GND/HS 19 20 21 22 23 24 17 16 15 14 GND 18 13 12 11 IN1/IN2 ROUTMUTE GND/HS GND/HS NC LOUT- Ther...


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