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LM49151 Datasheet Mono Class D Audio Subsystem

Manufacturer: Texas Instruments

Overview: TI Confidential - NDA Restrictions LM49151 www.ti.com SNAS482F – MARCH 2009 – REVISED MARCH 2013 LM49151 Boomer™ Audio Power Amplifier Series Mono Class D Audio Subsystem with Earpiece Driver, Ground Referenced.

General Description

The LM49151 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.

The LM49151 combines a 1.25W mono E2S class D amplifier, 125mW Class AB earpiece driver, 42mW/channel stereo ground referenced headphone drivers, volume control, input mixer/multiplexer, and speaker protection into a single device.

The LM49151 class D speaker amplifier

Key Features

  • 1.
  • 23 E2S Class D Amplifier.
  • Ground Referenced Outputs.
  • Eliminates Output Coupling Capacitors.
  • I2C Programmable No Clip Function with Clip Control.
  • Voltage Limiter Speaker Protection.
  • I2C Volume and Mode Control.
  • Ear Piece Amplifier.
  • Advanced Click-and-Pop Suppression.
  • Low Supply Current.
  • Micro-Power Shutdown.
  • 20-bump DSBGA Package.

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