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NS4890B - 1.5W Class AB Audio Power Amplifier

Download the NS4890B datasheet PDF. This datasheet also covers the NS4890B-ChipSourceTek variant, as both devices belong to the same 1.5w class ab audio power amplifier family and are provided as variant models within a single manufacturer datasheet.

General Description

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

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 2 NS4890B.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NS4890B-ChipSourceTek_removed.pdf) that lists specifications for multiple related part numbers.

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

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Other Datasheets by ChipSourceTek

Part Number Description
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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.

View original datasheet text
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.