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NS4890B Datasheet

1.5w Class Ab Audio Power Amplifier

Manufacturer: ChipSourceTek

This datasheet includes multiple variants, all published together in a single manufacturer document.

NS4890B Overview

The NS4890 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable munication 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. The NS4890 does not require output coupling capacitors, therefore is ideally suited for mobile phone and other low...

NS4890B Key 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
  • Mobile Phones
  • PDA, MP4,PMP
  • Desktops Audio System

NS4890B Distributor