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LM4934

National Semiconductor
Part Number LM4934
Manufacturer National Semiconductor
Description 3D Audio Sub-System
Published Nov 24, 2006
Detailed Description www.DataSheet4U.com LM4934 3D Audio Sub-System with Stereo Speaker, OCL/SE Stereo Headphone, Earpiece and Mono Line Lev...
Datasheet PDF File LM4934 PDF File

LM4934
LM4934

Overview
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.
It integrates the audio amplifiers, volume control, mixer, power management control, and National 3D enhancement all into a single package.
In addition, the LM4934 routes and mixes the stereo and mono inputs into multiple distinct output modes.
The LM4934 features an I2S serial interface for full range audio and an I2C/SPI c...


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