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G1438 Datasheet – 2W Stereo Audio Amplifier

Manufacturer: Global Mixed-mode Technology

Download the G1438 datasheet PDF. This datasheet also includes the G1438-GlobalMixed variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (G1438-GlobalMixed-modeTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number G1438
Manufacturer Global Mixed-mode Technology
File Size 83.61 KB
Description 2W Stereo Audio Amplifier
Datasheet download datasheet G1438 Datasheet

General Description

The G1438 is a stereo audio power amplifier in both 28pin TSSOP and TQFN thermal pad package.

It can deliver 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.

Overview

Global Mixed-mode Technology Inc.

G1438 2W Stereo Audio Amplifier with DC Volume Control and Selectable.

Key Features

  • 0dB ~-78dB Internal DC Volume Gain Setting Embedded.
  • Depop Circuitry Integrated.
  • Output Power at 1% THD+N, VDD=5V --2.0W/CH (typical) into a 4Ω Load --1.2W/CH (typical) into a 8Ω Load.
  • Bridge-Tied Load (BTL), Single-Ended (SE).
  • PC-Beep Input.
  • Selectable Internal/External Gain Setting.
  • Shutdown Control Available.
  • Thermal Shutdown Protection.
  • Surface-Mount Power Package 28-Pin TSSOP-P / 28pin TQFN Available Applicat.

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