LC75397E
Overview
The LC75397 is an electronic volume control system providing control over volume, balance, 4-band equalizer, bass, and input switching based on serial inputs.
Features
- Built-in buffer amplifiers reduce the number of external parts required.
- Silicon gate CMOS process reduces the noise of built-in switch.
- Built-in analog ground reference voltage generator circuit
- All functions are controlled by serial input data. This IC supports the CCB standard.
Functions
- Volume control: The chip provides 81 levels of volume attenuation: in 1d B step between 0 d B and
- 79 d B and
- ∞. This circuit can control a total of 5 independent channels.
- Equalizer: The chip provides control in 2-d B steps over the range between +10 d B and
- 10 d B. Three of the four bands have peaking equalization; the remaining one, shelving equalization.
- Selector: The left and right channels each offer a choice of six inputs. The L6 and R6 inputs can be turned on and off independently. An external constant...
