Audio ICs
FBlock diagram
BH3857AFV
Control of volume, bass, treble and surround 2 can also be done by external application of a DC voltage to the VC (volume), BC (bass), TC (treble) and SC
(surround 2) terminals.
The impedance of the VC, TC, and BC terminals is 10kΩ (Typ.).
The impedance of the SC terminal is 200kΩ (Typ.).
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