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LM4894 - 1Watt Fully Differential Audio Power Amplifier

Description

The LM4894 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.

Features

  • a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by either logic high or low depending on mode selection. Driving the shutdown mode pin either high or low enables the shutdown select pin to be driven in a likewise manner to enable Shutdown. Additionally, the LM4894 features an internal thermal shutdown protection mechanism. The LM4894 contains advanced pop & click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitio.

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Datasheet preview – LM4894

Datasheet Details

Part number LM4894
Manufacturer National Semiconductor
File Size 770.93 KB
Description 1Watt Fully Differential Audio Power Amplifier
Datasheet download datasheet LM4894 Datasheet
Additional preview pages of the LM4894 datasheet.

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Full PDF Text Transcription

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LM4894 1 Watt Fully Differential Audio Power Amplifier With Shutdown Select June 2003 LM4894 1 Watt Fully Differential Audio Power Amplifier With Shutdown Select General Description The LM4894 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components.
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