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AP4890B - 1W AUDIO POWER AMPLIFIER

General Description

The AP4890B is an audio power amplifier designed for portable communication device applications such as mobile phone applications.

Key Features

  • a low-power shutdown mode, which is achieved by driving the.

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Datasheet Details

Part number AP4890B
Manufacturer APLUS
File Size 320.01 KB
Description 1W AUDIO POWER AMPLIFIER
Datasheet download datasheet AP4890B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS INC.--- AP4890B AP4890B --- 1W AUDIO POWER AMPLIFIER 1. DESCRIPTION : The AP4890B is an audio power amplifier designed for portable communication device applications such as mobile phone applications. The AP4890B is capable of delivering 1W of continuous average power to an 8Ω BTL and with less than 1% distortion (THD+N) from a 5.0V power supply, and 350mW to a 8Ω BTL load from a 3V power supply. The AP4890B provides high quality audio while requiring few extemal components and minimal power consumption. It features a low-power shutdown mode, which is achieved by driving the SHUTDOWN pin with logic low. The AP4890B contains circuitry to prevent from “pop and click” noise that would otherwise occur during turn-on and turn-off transitions.