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UPC1857A Datasheet SOUND CONTROL IC WITH SURROUND AND I2C BUS

Manufacturer: NEC (now Renesas Electronics)

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General Description

The µPC1857A is a sound control IC with I2C bus.

It has functions to control volume, balance, and tone, and a phase shift matrix surround function.

The surround function achieves wide sound expansion using only two front speakers.

Overview

DATA SHEET BIPOLAR ANALOG INTEGRATED CIRCUIT µPC1857A 2 SOUND CONTROL IC WITH SURROUND AND I C.

Key Features

  • Volume control function.
  • Balance control function : Attenuation adjustable from 0 to.
  • 80 dB in 64 steps : The difference in attenuation adjustable from 0 to.
  • 80 dB in 64 steps.
  • Tone (bass, treble) control function : Adjustable in 32 steps from +10 to.
  • 10 dB.
  • Surround function (gain adjustable) : Three modes (movie, music, and simulated).
  • Mute function.
  • Mixing function.
  • Output selection function (for two mono.

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