UPC1857A bus equivalent, sound control ic with surround and i2c bus.
* Volume control function
* Balance control function : Attenuation adjustable from 0 to −80 dB in 64 steps : The difference in attenuation adjustable from 0 to −8.
* TV, PC monitor
ORDERING INFORMATION
Part Number Package 30-pin plastic shrink DIP (400 mil)
µPC1857ACT
The info.
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. Three modes can be .
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