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TC9402CPD Datasheet(PDF) 1 Page - Microchip Technology |
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TC9402CPD Datasheet(HTML) 1 Page - Microchip Technology |
1 / 20 page © 2002 Microchip Technology Inc. DS21483B-page 1 TC9400/9401/9402 Features VOLTAGE-TO-FREQUENCY • Choice of Linearity - TC9401: 0.01% - TC9400: 0.05% - TC9402: 0.25% • DC to 100kHz (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 FREQUENCY-TO-VOLTAGE • Operation: DC to 100kHz • Choice of Linearity - TC9401: 0.02% - TC9400: 0.05% - TC9402: 0.25% • Programmable Scale Factor Applications • µP Data Acquisition • 13-bit Analog-to-Digital Converters • Analog Data Transmission and Recording • Phase Locked Loops • Frequency Meters/Tachometer • Motor Control • FM Demodulation Device Selection Table General Description 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 canalsobeusedashighlyaccurate fre- quency-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 addi- tion of two capacitors, three resistors, and reference voltage. Package Type Part Number Linearity (V/F) Package Temperature Range TC9400COD 0.05% 14-Pin SOIC (Narrow) 0°C to +70°C TC9400CPD 0.05% 14-Pin PDIP 0°C to +70°C TC9400EJD 0.05% 14-Pin CerDIP -40°C to +85°C TC9401CPD 0.01% 14-Pin PDIP 0°C to +70°C TC9401EJD 0.01% 14-Pin CerDIP -40°C to +85°C TC9402CPD 0.25% 14-Pin PDIP 0°C to +70°C TC9402EJD 0.25% 14-Pin CerDIP °C to +85°C 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VDD NC AMPLIFIER OUT THRESHOLD DETECTOR FREQ/2 OUT OUTPUT COMMON PULSE FREQ OUT AMPLIFIER OUT THRESHOLD DETECTOR FREQ/2 OUT OUTPUT COMMON PULSE FREQ OUT IBIAS ZERO ADJ IIN VSS VREF OUT GND VREF 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VDD NC IBIAS ZERO ADJ IIN VSS VREF OUT GND VREF TC9400 TC9401 TC9402 14-Pin Plastic DIP/CERDIP 14-Pin SOIC TC9400 TC9401 TC9402 NC = No Internal Connection Voltage-to-Frequency/Frequency-to-Voltage Converters |
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