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LM4811 - DUAL 105mW HEADPHONE AMPLIFIER

General Description

The UTC LM4811 is a dual audio power amplifier with digital volume control and shutdown mode function.

It is featured in unity-gain stability.

The digital volume control sets the amplifier’s gain from +12dB to -33dB in 16 discrete steps using a two-wire interface.

Key Features

  • >.
  • Digital volume control range: +12dB~ -33dB.
  • "Click and Pop" suppression circuitry.
  • Saving the use of bootstrap capacitors.
  • Low shutdown current.

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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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UNISONIC TECHNOLOGIES CO., LTD LM4811 Preliminary DUAL 105mW HEADPHONE AMPLIFIER WITH DIGITAL VOLUME CONTROL AND SHUTDOWN MODE  DESCRIPTION The UTC LM4811 is a dual audio power amplifier with digital volume control and shutdown mode function. It is featured in unity-gain stability. The digital volume control sets the amplifier’s gain from +12dB to -33dB in 16 discrete steps using a two-wire interface. The shutdown mode is externally controlled, active-high and micropower consumption. An internal thermal shutdown protection circuit is contained in the device. Operating on a 5V power supply, it can drive 16Ω load at 105mW per channel of continuous average power with 0.1% (THD+N).