LC75412E Overview
ENN7053 CMOS IC LC75412E, 75412W Electronic Volume Controller for Car Audio Systems Overview The LC75412E and 75412W are electronic volume controllers that enable control of volume, balance, fader, bass/treble, loudness, input switching, and input gain using only a small number of external ponents.
LC75412E Key Features
- On-chip buffer amplifier cuts down number of external ponents
- Low switching noise generated by on-chip switch through use of silicon gate CMOS process, for low switching noise when t
- Low switching noise when there is a signal due to use of on-chip zero-cross switching circuit
- On-chip 1/2 VDD reference voltage circuit
- Controls performed with serial input (CCB)
- Volume: 0 dB to -79 dB in 1-dB steps, and
- Bass/treble: Each band can be controlled in 2-dB steps from ±0 dB to ±18 dB
- Input gain: 0 dB to +18.75 dB (1.25-dB steps) amplification is possible for the input signal
- Input switching: Six input signals can be selected for Left and for Right (five are singleended inputs and one is a diff