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LM49120 Datasheet Audio Sub-system

Manufacturer: Texas Instruments

Overview: LM49120, LM49120TLEVAL www.ti.com SNAS431C – JUNE 2008 – REVISED MAY 2013 LM49120 Audio Sub-System with Mono Class AB Loudspeaker Amplifier and Stereo OCL/SE Headphone Amplifier Check for Samples: LM49120,.

General Description

The LM49120 is a compact audio subsystem designed for portable handheld applications such as cellular phones.

The LM49120 combines a mono 1.3W speaker amplifier, stereo 85mW/ch output capacitorless headphone amplifier, 32 step volume control, and an input mixer/multiplexer into a single 16–bump DSBGA package.

The LM49120 has three input channels: two singleended stereo inputs and a differential mono input.

Key Features

  • 1.
  • 2 RF Immunity.
  • Selectable OCL/SE Headphone Drivers.
  • 32 Step Volume Control.
  • Click and Pop Suppression.
  • Independent Speaker and Headphone Gain Settings.
  • Minimum External Components.
  • Thermal Over Load Protection.
  • Micro-power Shutdown.
  • Space Saving 16.
  • bump DSBGA Package.
  • Thermal Shutdown Protection.
  • Micro-power Shutdown.
  • I2C Control Interface.

LM49120 Distributor