Summary
Precision Air-Core Tach/Speedo Driver with Separate Function Generator Input Rev 11/20/98
Description
The CS4101 is specifically designed for use with air-core meter movements. The IC provides all the functions necessary for an analog tachometer or speedometer. The CS4101 takes a speed sensor input and generates sine and cosine related output signals to differentially drive an air-core meter.
Source title
CS4101EN20 Datasheet(PDF) - Cherry Semiconductor Corporation