UPC1857A Overview
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