Low Voltage Precision Air-Core Tach/Speedo Driver

The CS4121 is specifically designed for use with air−core meter movements. The IC provides all the functions necessary for an analog tachometer or speedometer. The CS4121 takes a speed sensor input and generates sine and cosine related output signals to differentially drive an air−core meter.

Features

• Pb−Free Package is Available*

• Direct Sensor Input

• High Torque Output

• Low Pointer Flutter

• High Input Impedance

• Overvoltage Protection

• Accurate to 8.0 V Functional to 6.5 V (typ)

• Internally Fused Leads in SO−20 Package and DIP−16