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LM4863 - DUAL 2.2W AUDIO AMPLIFIER

General Description

The UTC LM4863 is a dual bridge-connected audio power amplifier.

It combines dual bridge speaker amplifiers and stereo headphone amplifiers on one chip to simplify audio system design.

Key Features

  • Click and pop” suppression circuitry.
  • Thermal shutdown protection circuitry.
  • Unity-gain stable.
  • Stereo headphone amplifier mode.

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Other Datasheets by Unisonic Technologies

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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 LM4863 DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION CMOS IC  DESCRIPTION The UTC LM4863 is a dual bridge-connected audio power amplifier. It combines dual bridge speaker amplifiers and stereo headphone amplifiers on one chip to simplify audio system design. In addition, the headphone input pin allows the amplifiers to operate in single-ended mode when driving stereo headphones. The IC could deliver different power by packages as below (when connected to a 5V supply with less than 1.0% THD+N.): - HTSSOP-20, 4Ω load: 2.2W - HTSSOP-20, 3Ω load: 2.5W(with forced-air cooled) - SOP/DIP , 8Ω load: 1.1W.