LM4857 - Stereo 1.2W Audio Sub-system

National Semiconductor

Datasheet Details

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

The LM4857 is an integrated audio sub-system designed for stereo cell phone applications.

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 Specifications j POUT, Stereo Loudspeakers, 4Ω, 5V, 1% THD+N (LM4857SP) j POUT, Stereo Loudspeakers, 8Ω, 5V, 1.6W (typ) 1.2W (typ) 75mW (typ) 100mW (typ) 495mW (typ) 33mW (typ) 43mW (typ) 0.06µA.

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Published: Mar 22, 2005 |