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LM4675 Datasheet Class D Audio Power Amplifier

Manufacturer: Texas Instruments

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General Description

The LM4675 is a single supply, high efficiency, 2.65W, mono, Class D audio amplifier.

A spread spectrum, filterless PWM architecture reduces EMI and eliminates the output filter, reducing external component count, board area consumption, system cost, and simplifying design.

The LM4675 is designed to meet the demands of mobile phones and other portable communication devices.

Overview

LM4675, LM4675SDBD, LM4675TLBD www.ti.com SNAS353C – AUGUST 2006 – REVISED MAY 2013 LM4675 Ultra-Low EMI, Filterless, 2.

Key Features

  • 1.
  • 2 Spread Spectrum Architecture Reduces EMI.
  • Mono Class D Operation.
  • No Output Filter Required for Inductive Loads.
  • Externally Configurable Gain.
  • Very Fast Turn On Time: 17μs (typ).
  • Minimum External Components.
  • "Click and Pop" Suppression Circuitry.
  • Micro-Power Shutdown Mode.
  • Available in Space-Saving 0.5mm Pitch DSBGA and WSON Packages.

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