• Part: UPC1857A
  • Manufacturer: NEC
  • Size: 343.84 KB
Download UPC1857A Datasheet PDF
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UPC1857A 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.

UPC1857A Key Features

  • Volume control function
  • Balance control function : Attenuation adjustable from 0 to -80 dB in 64 steps : The difference in attenuation adjustabl
  • 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 channels input)
  • All parameters can be controlled via I2C bus