The simple introduction of Semiconductor CS8190

The CS8190 is specifically designed for use with air−core meter movements. The IC provides all the functions necessary for an analog tachometer or speedometer. The CS8190 takes a speed sensor input and generates sine and cosine related output signals to differentially drive an air−core meter. Many enhancements have been added over industry standard tachometer drivers such as the CS289 or LM1819. The output utilizes differential drivers which eliminates the need for a zener reference and offers more torque. The device withstands 60 V transients which decreases the protection circuitry required. The device is also more precise than existing devices allowing for fewer trims and for use in a speedometer.

Features

• Direct Sensor Input

• High Output Torque

• Low Pointer Flutter

• High Input Impedance

• Overvoltage Protection

• Return to Zero

• Internally Fused Leads in PDIP−16 and SO−20W Packages

• Pb−Free Packages are Available*

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