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LM4859 - Stereo 1.2W Audio Sub-system

General Description

The LM4859 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 headphone amplifier delivering 33mW per channel into a 32Ω load.

Key Features

  • 1.
  • 2 Stereo Speaker Amplifier.
  • Stereo Headphone Amplifier.
  • Independent Left, Right, and Mono Volume Controls.
  • Texas Instruments 3D Enhancement.
  • I2C Compatible Interface.
  • Ultra Low Shutdown Current.
  • Click and Pop Suppression Circuit.
  • 10 Distinct Output Modes.
  • Thermal Shutdown Protection.
  • Available in DSBGA and UQFN packages.

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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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LM4859 www.ti.com SNAS256E – MAY 2004 – REVISED MAY 2013 LM4859 Stereo 1.2W Audio Sub-system with 3D Enhancement Check for Samples: LM4859 FEATURES 1 •2 Stereo Speaker Amplifier • Stereo Headphone Amplifier • Independent Left, Right, and Mono Volume Controls • Texas Instruments 3D Enhancement • I2C Compatible Interface • Ultra Low Shutdown Current • Click and Pop Suppression Circuit • 10 Distinct Output Modes • Thermal Shutdown Protection • Available in DSBGA and UQFN packages APPLICATIONS • Cell Phones • PDAs • Portable Gaming Devices • Internet Appliances • Portable DVD/CD/AAC/MP3 Players KEY SPECIFICATIONS • POUT, Stereo Loudspeakers, 4Ω, 5V, 1% THD+N (LM4859SP), 1.6W (Typ) • POUT, Stereo Loudspeakers, 8Ω, 5V, 1% THD+N, 1.