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NS4890B - 1.5W Class AB Audio Power Amplifier

This page provides the datasheet information for the NS4890B, a member of the NS4890B-ChipSourceTek 1.5W Class AB Audio Power Amplifier family.

Description

The NS4890 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications.

Features

  • Supply Voltage from 2.2V to 5.25V.
  • 1.6W Output at 1% THD with a 4Ω Load and 5V supply.
  • 0.1uA(Typical) low current shutdown Mode current.
  • Improved POP&Click Suppression.
  • No output coupling capacitors.
  • Unity-Gain stable.
  • Available MSOP-8 Package 2 NS4890B.

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Datasheet preview – NS4890B

Datasheet Details

Part number NS4890B
Manufacturer ChipSourceTek
File Size 4.93 MB
Description 1.5W Class AB Audio Power Amplifier
Datasheet download datasheet NS4890B Datasheet
Additional preview pages of the NS4890B datasheet.

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Full PDF Text Transcription

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ChipSourceTek NS4890B 1.5W Class AB Audio Power Amplifier 1 NS4890B Features  Supply Voltage from 2.2V to 5.25V  1.6W Output at 1% THD with a 4Ω Load and 5V supply  0.1uA(Typical) low current shutdown Mode current  Improved POP&Click Suppression  No output coupling capacitors  Unity-Gain stable  Available MSOP-8 Package 2 NS4890B Application  Mobile Phones  PDA, MP4,PMP  Desktops Audio System 4 NS4890B Typical Application Circuit 3 NS4890B Description The NS4890 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.6 watts of continuous average power to a 4Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply.
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