Ordering number :EN*5201A
CMOS LSI
LC75391, 75391M
Single-Chip Electronic Volume Control System
Overview
The LC75391 and LC75391M are single-chip electronic volume and tone control systems that support volume control, tone control, and input and output signal switching functions controlled by serial input data.
Package Dimensions
unit: mm 3196-DIP30SD
[LC75391]
Functions
• Input and output signal switching: The four I/O switches can be set to on or off independently.
• Volume control: Independent control of the left and right channels can be used to implement a balance function.
0 to –20 dB in 2 dB steps, –20 to –32 dB in 3 dB steps, –32 to –53 dB in 4 dB steps, –52 to –70 dB in 4.
5 dB ...