LM4857 Datasheet and Specifications PDF

The LM4857 is a Stereo 1.2W Audio Sub-system.

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Part NumberLM4857 Datasheet
ManufacturerNational Semiconductor
Overview The LM4857 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 loa. include an ultra-low current shutdown mode and thermal shutdown protection. Boomer audio power amplifiers are designed specifically to provide high quality output power with a minimal amount of external components. The LM4857 is available in a 30-bump ITL package and a 28
*lead LLP package. Key Spec.
Part NumberLM4857 Datasheet
DescriptionStereo 1.2W Audio Sub-system
ManufacturerTexas Instruments
Overview The LM4857 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 loa. 1
*2 Stereo Speaker Amplifier
* Stereo Headphone Amplifier
* Mono Earpiece Amplifier
* Mono Line Output for External Handsfree Carkit
* Independent Left, Right, and Mono Volume Controls
* TI 3D Enhancement
* I2C Compatible Interface
* Ultra low Shutdown Current
* Click and Pop Suppression Circuit
* .