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CS-8191
Precision Air-Core Tach/Speedo Driverwith Short Circuit Protection
CS8191
Precision Air-Core ach/Speedo Driver with
Short Circuit Protection
The CS8191 is specifically designed for use with 4 quadrant
air–core meter movements. The IC includes an input comparator for
sensing input frequency such as vehicle speed or engine RPM, a
charge pump for frequency to voltage conversion, a bandgap reference
for stable operation and a function generator with sine and cosine
amplifiers that differentially drive the meter coils.
The CS8191 has a higher torque output and better output signal
symmetry than other competitive parts (CS289, and LM1819). It is
protected against short circuit and overvoltage (60 V) fault conditions.
Enhanced circuitry permits functional operation down to 8.0 V.
Features• Direct Sensor Input High Output Torque Wide Output Voltage Range High Impedance Inputs Accurate Down to 10 V VCC Fault Protection Overvoltage Short Circuit Low Voltage Operation Internally Fused Leads in DIP–16 and SO–20L Packages
