VFC320 PDF Datasheet
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Description
This is Voltage-to-Frequency and Frequency-to-Voltage CONVERTER. ®
VFC320
Voltage-to-Frequency and Frequency-to-Voltage CONVERTER
FEATURES
q HIGH LINEARITY, 12 to 14 bits ±0.005% max at 10kH- FS ±0.03% max at 100kH- FS ±0.1% typ at 1MH- FS q V, F OR F, V CONVERSION q 6-DECADE DYNAMIC RANGE q 20ppm, °C max GAIN DRIFT q OUTPUT TTL, CMOS COMPATIBLE
DESCRIPTION
The VFC320 monolithic voltage-to-frequency and frequency-to-voltage converter provides a simple low cost method of converting analog signals into digital pulses. The digital output is an open collector and the digital pulse train repetition rate is proportional to the amplitude of the analog input voltage. Output pulses are compatible with TTL, and CMOS logic families. High linearity (0.005%, max at 10kH- FS) is achieved with relatively few external components. Two external resistors and two external capacitors are required to operate. Full scale frequency and input voltage are determined by a resistor in series with In and two capacitors (one-shot timing and input amplifier integration). The.