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LM4934 - 3D Audio Sub-System

General Description

The LM4934 is an integrated audio sub-system designed for stereo cell phone applications.

Key Features

  • an I2S serial interface for full range audio and an I2C/SPI compatible interface for control. Boomer audio power amplifiers are designed specifically to provide high quality output power with a minimal amount of external components. Key Specifications j POUT, Stereo BTL, 8Ω, 3.3V, 1% THD+N j POUT HP, 32Ω, 3.3V, 1% THD+N j POUT Mono Earpiece, 32Ω, 3.3V, 520mW (typ) 36mW (typ) 55mW (typ) 0.6µA (typ) 95dB (typ) 1% THD+N j Shutdown current j DAC SNR Features n n n n n n n n n n n 18-bit stereo.

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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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www.DataSheet4U.com LM4934 3D Audio Sub-System with Stereo Speaker, OCL/SE Stereo Headphone, Earpiece and Mono Line Level Outputs November 2005 LM4934 3D Audio Sub-System with Stereo Speaker, OCL/SE Stereo Headphone, Earpiece and Mono Line Level Outputs General Description The LM4934 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 520mW per channel into an 8Ω load, a stereo headphone amplifier delivering 36mW per channel into a 32Ω load, a mono earpiece amplifier delivering 55mW into a 32Ω load, and a line output for an external powered handsfree speaker.