The TC9400/TC9401/TC9402 are low-cost voltage-to-frequency (V/F) converters utilizing low power CMOS technology. The converters accept a variable analog input signal and generate an output pulse train whose frequency is linearly proportional to the input voltage. The devices can also be used as highly-accurate frequency-to-voltage (F/V) converters, accepting virtually any input frequency waveform and providing a linearly-proportional voltage output. A complete V/F or F/V system only requires the addition of two capacitors, three resistors, and reference voltage.
Choice of Guaranteed Linearity: TC9401...............0.01% TC9400...............0.05% TC9402...............0.25% DC to 100 kHz (F/V)or 1Hz to 100kHz (V/F) Low Power Dissipation: 27mW Typ Single/Dual Supply Operation: +8V to +15V or ± 4V to ± 7.5V Gain Temperature Stability: ± 25 ppm/°C Typ. Programmable Scale Factor
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