LM4857

Stereo 1.2W Audio Sub-system

National Semiconductor

LM4857 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.

LM4857 General Description

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 load, a stereo headphone amplifier delivering 33mW per channel into a 32Ω load, a mono earpiece amplifi.

LM4857 Datasheet (1.48 MB)

LM4857 Datasheet Preview — Preview of LM4857 PDF

Datasheet Details

Part number:

LM4857

Manufacturer:

National Semiconductor

File Size:

1.48 MB

Description:

Stereo 1.2w audio sub-system.

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LM4857 Stereo 1.2W Audio Sub-system National Semiconductor

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LM4857 Features

LM4857 General Description

Datasheet Details

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Description:

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