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LM4674 Datasheet Filterless 2.5W Stereo Class D Audio Power Amplifier

Manufacturer: Texas Instruments

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General Description

The LM4674 is a single supply, high efficiency, 2.5W/channel, filterless switching audio amplifier.

A low noise PWM architecture eliminates the output filter, reducing external component count, board area consumption, system cost, and simplifying design.

The LM4674 is designed to meet the demands of mobile phones and other portable communication devices.

Overview

LM4674 www.ti.com SNAS344E – DECEMBER 2005 – REVISED APRIL 2013 LM4674 Filterless 2.

Key Features

  • 1.
  • 2 Output Short Circuit Protection.
  • Stereo Class D Operation.
  • No Output Filter Required.
  • Logic Selectable Gain.
  • Independent Shutdown Control.
  • Minimum External Components.
  • Click and Pop Suppression.
  • Micro-Power Shutdown.
  • Available in Space-Saving 2mm x 2mm x 0.6mm DSBGA, and 4mm x 4mm x 0.8mm WQFN Packages.

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