VFC121 Datasheet | Burr-Brown

® Precision Single Power Supply VOLTAGE-TO-FREQUENCY CONVERTER Features q SINGLE SUPPLY OPERATION: +4.5V to +36V q fO = 1.5MHz max q LOW NONLINEARITY: 0.03% max at 100kHz, 0.1% max at 1MHz q HIGH INPUT IMPEDANCE q VOLTAGE REFERENCE OUTPUT q THERMOMETER OUTPUT: 1mV/°K APPLICATIONS q INTEGRATING A/D CONVERSION q ANALOG SIGNAL TRANSMISSION q PHASE-LOCKED LOOP VCO q GALVANICALLY ISOLATED SYSTEMS DESCRIPTION The VFC121 is a monolithic voltage-to-frequency converter consisting of an integrating amplifier, voltage reference, and one-shot charge pump circuitry. High-frequency plementary NPN/PNP circuitry is used to implement the charge-balance technique, achieving speed and accuracy...