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PA7493 - 2W x 2 CLASS AB AUDIO POWER AMPLIFIER

Description

UTC PA7493 provides precise DC volume control, and a stereo bridged audio power amplifiers capable of producing 2W into 4Ω as a monolithic integrated circuit.

In stand-by the power consumption is very low.

Features

  • Stereo switch able bridged/single-ended power amplifiers.
  • Output power 2W × 2 (VCC=6V, THD=1%, RL=4Ω).
  • Low harmonics distortion.
  • Include 32 steps volume controller by DC voltage with ysteresis.
  • “Click and pop” suppression circuitry.
  • Low current consumption in.

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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 PA7493 2W X 2 CLASS AB AUDIO POWER AMPLIFIER (WITH DC_VOLUME CONTROL)  DESCRIPTION UTC PA7493 provides precise DC volume control, and a stereo bridged audio power amplifiers capable of producing 2W into 4Ω as a monolithic integrated circuit. In stand-by the power consumption is very low. UTC PA7493 combines a stereo single-end (SE) mode for headphone drive into a single chip and a stereo bridge-tied loads (BTL) mode for speaker drive(both modes are easily switched by the SE/BTL input control signal) to simplify the audio system design. Package size is not occupies PCB space cause the built-in over-temperature protection. It is suitable for small or portable products.
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