LM4857 Stereo 1.2W Audio Sub-system

National Semiconductor

Description

LM4857 Stereo 1.2W Audio Sub-system with 3D Enhancement June 2004 LM4857 Stereo 1.2W Audio Sub-system with 3D Enhancement General .
The LM4857 is an integrated audio sub-system designed for stereo cell phone applications.

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Datasheet Specifications

Part number: LM4857
Manufacturer: National Semiconductor
File Size: 1.48 MB
Datasheet: LM4857_NationalSemiconductor.pdf
Description: Stereo 1.2W Audio Sub-system

Features

* 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.

Applications

* Operating on a 3.3V supply, it combines a stereo speaker amplifier delivering 495mW per channel into an 8Ω load, a stereo headphone amplifier delivering 33mW per channel into a 32Ω load, a mono earpiece amplifier delivering 43mW into a 32Ω load, and a line output for an external powered handsfree s

LM4857 Distributors

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LM4857 Stereo 1.2W Audio Sub-system National Semiconductor

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