Datasheet > G1432/L

G1432/L

更新时间： 2024-11-19 17:00:59

品牌	Logo	应用领域
致新 - GMT		/
页数	文件大小	规格书
2页	116K
描述
BTL, Mute, De-pop, POUT(max) Clamping

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数据手册

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G1432/L 数据手册

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

-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

ROUT-

ROUT+ 19

VOL 20

LOUT+

LIN1

22 ROUT+

21 RIN1

MUTE

GND/HS

GND/HS 21

Thermal

LIN2

RIN2

Pad

GND/HS

RBYPASS

LBYPASS

Thermal

Pad

RVDD

GND

LVDD

SHUTDOWN

NC 23

LOUT-

LOUT+ 24

IN1/IN2

ROUT-

LOUT- 10

NC 11

14 MUTE

GND/HS

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

中文翻译

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