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LM49153 Datasheet Mono Audio Subsystem

Manufacturer: Texas Instruments

Overview: LM49153 www.ti.com SNAS496C – JANUARY 2011 – REVISED MAY 2013 LM49153 Boomer™ Mono Audio Subsystem with Class G Headphone Amplifier, Class D Speaker Amplifier, Noise Gate and Speaker Protection Check for Samples:.

General Description

The LM49153 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.

Part of Texas Instruments' PowerWise family of products, the LM49153 combines an earpiece switch, a high efficiency 25mW class G headphone amplifier, and a high efficiency 1.35W class D loudspeaker into a single device.

The headphone amplifiers

Key Features

  • 1.
  • 23 Class G Ground Referenced Headphone Outputs.
  • High Efficiency Class D Amplifier with Spread Spectrum.
  • No Clip.
  • Speaker Protection.
  • Noise Gate.
  • I2C Volume and Mode Control.
  • Advanced Click-and-Pop Suppression.
  • Micro-Power Shutdown.

LM49153 Distributor