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LN4872 - 1.27W Audio Power Amplifiers

General Description

The LN4872 is a Class-AB audio power amplifier designed for mobile phones and other portable communication devices.

It is capable of delivering 1.2W of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5V DC power supply.

Key Features

  • >.
  • 2.2V.
  • 5.5V operation.
  • Improved circuitry eliminates pop-click noise during turn-on and turn-off transitions.
  • No output coupling capacitors, snubber networks or bootstrap capacitors required.
  • Unity-gain stable.
  • External gain configuration capability.
  • Available in space-saving packages.

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Datasheet Details

Part number LN4872
Manufacturer natlinear
File Size 266.50 KB
Description 1.27W Audio Power Amplifiers
Datasheet download datasheet LN4872 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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Low-Cost, 1.27W Audio Power Amplifiers LN4872 ■ General Description The LN4872 is a Class-AB audio power amplifier designed for mobile phones and other portable communication devices. It is capable of delivering 1.2W of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5V DC power supply. The LN4872 was designed specifically to provide high quality output power with a minimal amount of external components. It does not require output coupling capacitors or bootstrap capacitors. And with ultra low shutdown current, the LN4872 is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement.