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LM49150TLEVAL Datasheet Mono Class D Audio Subsystem

Manufacturer: Texas Instruments

Overview: LM49150, LM49150TLEVAL www.ti.com SNAS439C – AUGUST 2008 – REVISED MAY 2013 LM49150 Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers Check for Samples: LM49150,.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The LM49150 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.

Part of TI's PowerWise™ product family, the LM49150 consumes very low power in the various modes of operation and still providing great audio performance.

The LM49150 combines a 1.25W mono E2S (Enhanced Emission Suppression) class D amplifier, 135mW Class AB earpiece amplifier, 42mW/channel stereo ground reference headphone amplifiers, volume control, and mixing circuitry into a single device.

Key Features

  • 1.
  • 23 E2S Class D Amplifier.
  • Ground Referenced Headphone Outputs.
  • Eliminates Output Coupling Capacitors.
  • I2C Volume and Mode Control.
  • Mono Earpiece Amplifier.
  • Flexible Output for Speaker and Headphone Output.
  • 20.
  • Bump DSBGA Package.
  • Soft Enable Function.
  • “Click and Pop” Suppression Circuitry.
  • Thermal Shutdown Protection.
  • Low Supply Current.
  • Micro-Power Shutdown KEY.

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