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AN7531SA - Headphone amplifier

Key Features

  • Output coupling capacitor is not required (Center amplifier method).
  • Built-in bass boost amplifiers.
  • ALC circuit.
  • Built-in mute circuit.
  • Built-in beep circuit.
  • With mixed output pin of power amplifier I.

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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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ICs for Audio Common Use AN7531SA Headphone amplifier IC for portable equipment I Overview AN7531SA is an audio signal processing IC in which bass boost amplifiers, ALC circuit and beep circuit are built in the headphone amplifiers for use in portable equipment. Its headphone output block is using the center amplifier method which eliminates the need for coupling capacitor so that the circuit is most suitable for rationalization of audio circuit. 7.8±0.3 24 13 1 12 6.1±0.3 8.1±0.3 Unit: mm (0.5) 0.1±0.1 0.525±0.1 0.15–+00..015 1.2±0.