Datasheet > G1422

G1422

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
致新 - GMT		音频放大器
页数	文件大小	规格书
15页	300K
描述
2W Stereo Audio Amplifier

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G1422 数据手册

G1422

Global Mixed-mode Technology Inc.

2W Stereo Audio Amplifier

Features

General Description

Depop Circuitry Integrated

The G1422 is a stereo audio power amplifier in 20pin

TSSOP thermal pad package. It can drive 2W con-

tinuous 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. To simplify the audio system design in the

notebook application, the G1422 supports the Bridge-

Tied Load (BTL) mode for driving the speakers, Sin-

gle-End (SE) mode for driving the headphone. For the

low current consumption applications, the SHDN mode

is supported to disable the G1422 when it is idle. The

current consumption can be further reduced to below

2µA.

Output Power at 1% THD+N, VDD=5V

--2W/CH (typical) into a 4Ω Load

--1.2W/CH (typical) into a 8Ω Load

Bridge-Tied Load (BTL), Single-Ended (SE)

Shutdown Control Available

Thermal protection

Surface-Mount Power Package

20-Pin TSSOP-P

Applications

Stereo Power Amplifiers for Notebooks or

Desktop Computers

Multimedia Monitors

Stereo Power Amplifiers for Portable Audio

Systems

Ordering Information

ORDER

NUMBER

G1422F2U

ORDER NUMBER

TEMP.

RANGE

MARKING

G1422

PACKAGE

(Pb free)

G1422F2Uf

-40°C to +85°C

TSSOP-20 (FD)

Note:F2: TSSOP-20 (FD)

U: Tape & Reel

Pin Configuration

G1422

SHUTDOWN

GND/HS

HP-IN

GND/HS

+OUTB

+OUTA

VDD

-OUTA

-INA

17 VDD

-OUTB

Thermal

-INB

Pad

GND/HS

BYPASS

+INB

+INA

GND/HS

Top View

Bottom View

TSSOP-20 (FD)

Note: Recommend connecting the Thermal Pad to the GND for excellent power dissipation.

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 1.2

Jun 29, 2005

12 3 4 5 6 7...15

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