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PA3312 - DUAL 2.6W AUDIO POWER AMPLIFIER

General Description

The UTC PA3312 is a monolithic integrated circuit that stereo bridged audio power amplifiers capable of producing 2.6W into 3Ω with less than 10% THD+N or 1W into 8Ω with less than 0.65% THD+N.

Key Features

  • Low operating current with 10mA.
  • Compatible with pc 99 desktop line-out into 10KΩ load.
  • Internal gain control ,which eliminates external gain-setting resistors.
  • 2.6w per channel output power into 3Ω at 5V , BTL mode.
  • Input MUX select terminal.
  • Pc-beep input.
  • Improves depop circuitry to eliminate turn-on and turn-off transients in output.
  • Fully differential input CMOS IC HTSSOP-24 www. unisonic. com. tw Copyright © 2020 Unisonic Technologies Co. , Ltd 1 of.

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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 PA3312 DUAL 2.6W AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS AND INPUT-MUX CONTROL  DESCRIPTION The UTC PA3312 is a monolithic integrated circuit that stereo bridged audio power amplifiers capable of producing 2.6W into 3Ω with less than 10% THD+N or 1W into 8Ω with less than 0.65% THD+N. This device minimizes the number of external components needed, simplifying the design, and freeing up board space for other features. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in UTC PA3312, that reduce pops and clicks noise during power up or shutdown mode operation . Amplifier gain is internally configured and controlled by way of two terminals (GAIN0 and GAIN1). BTL gain setting of 6 dB, 10 dB, 15.6dB, 21.