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PA3431 - 2W STEREO AUDIO AMPLIFIER

General Description

As a stereo audio speaker which is operating on a single 5V supply, the UTC PA3431 is capable of delivering 2W of output power per channel into 4Ω loads in Bridge-Tied Load (BTL) mode with less than 1% THD+N.

Way of two terminals (GAIN0 and GAIN1) can configured and control the amplifier gain.

Key Features

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  • 2W Output power into 4Ω load from 5V supply each channel.
  • Gain control internally.
  • Differential input fully.
  • Depop circuitry.
  • Shutdown protection thermally.

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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 PA3431 2W STEREO AUDIO AMPLIFIER  DESCRIPTION As a stereo audio speaker which is operating on a single 5V supply, the UTC PA3431 is capable of delivering 2W of output power per channel into 4Ω loads in Bridge-Tied Load (BTL) mode with less than 1% THD+N. Way of two terminals (GAIN0 and GAIN1) can configured and control the amplifier gain. It also provided BTL gain settings of 6 dB, 10 dB, 15.6 dB, and 21.6 dB (inverting). Other features: the SHDN mode is supported to disable UTC PA3431 for the low current consumption applications; the current consumption can be reduced to typically 110µA.