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G1421BF3U, G1421F31U, G1422

Table of contents:
Info of G1421BF3U
Info of G1421F31U
Info of G1422

G1421BF3U, G1421F31U, G1422 Selling Leads, Datasheet

MFG:GMT Package Cooled:TSSOP D/C:GMT

G1421BF3U, G1421F31U, G1422 Datasheet download

Five Points

Part Number: G1421BF3U

MFG: GMT

Package Cooled: TSSOP

D/C: GMT

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G1422 General Description

The G1422 is a stereo audio power amplifier in 20pin TSSOP thermal pad package. It can drive 2W continuous RMS power into 4 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, Single- 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.

G1422 Maximum Ratings

Supply Voltage, V_CC......................6V
Operating Ambient Temperature Range
T_A......................... -40 to +85
Maximum Junction Temperature, TJ.............150
Storage Temperature Range, TSTG.....-65 to+150
Reflow Temperature (soldering, 10sec)......... 260
Power Dissipation ⁽¹⁾T_A 25...........................2.7W
T_A 70.......................... 1.7W
T_A 85...........................1.4W
Electrostatic Discharge, VESD
Human body mode...............-3000 to 3000⁽²⁾

G1422 Features

`Depop Circuitry Integrated
`Output Power at 1% THD+N, VDD=5V
--2W/CH (typical) into a 4 Load
--1.2W/CH (typical) into a 8 Load
`Bridge-Tied Load (BTL), Single-Ended (SE)
`Shutdown Control Available
`Thermal protection
`Surface-Mount Power Package 20-Pin TSSOP-P

G1422 Typical Application

·Stereo Power Amplifiers for Notebooks or Desktop Computers
·Multimedia Monitors
·Stereo Power Amplifiers for Portable Audio Systems

G1422 Connection Diagram

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