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LM4844 - Stereo 1.2W Audio Sub-System

General Description

The LM4844 is an integrated audio sub-system designed for stereo cell phone applications.

Operating on a 3.3V supply, it combines a stereo speaker amplifier delivering 495mW per channel into an 8Ω load and a stereo OCL headphone amplifier delivering 33mW per channel into a 32Ω load.

Key Features

  • Stereo speaker amplifier Stereo OCL headphone amplifier Independent Left, Right, and Mono volume controls National 3D enhancement I2C compatible interface Ultra low shutdown current Click and Pop Suppression circuit 10 distinct output modes.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM4844 Stereo 1.2W Audio Sub-System with 3D Enhancement www.DataSheet4U.com August 2007 LM4844 Stereo 1.2W Audio Sub-System with 3D Enhancement General Description The LM4844 is an integrated audio sub-system designed for stereo cell phone applications. Operating on a 3.3V supply, it combines a stereo speaker amplifier delivering 495mW per channel into an 8Ω load and a stereo OCL headphone amplifier delivering 33mW per channel into a 32Ω load. It integrates the audio amplifiers, volume control, mixer, power management control, and National 3D enhancement all into a single package. In addition, the LM4844 routes and mixes the stereo and mono inputs into 10 distinct output modes. The LM4844 is controlled through an I2C compatible interface.