The VFC320 is a powerful monolithic integrated circuit that serves as a high-precision bridge between analog signals and digital processing. Perfectly suited for hobbyist electronics and DIY instrumentation, this versatile chip can function as both a Voltage-to-Frequency (V/F) converter or a Frequency-to-Voltage (F/V) converter. With a wide dynamic range and the ability to operate at frequencies up to 1MHz, it allows you to easily convert sensor voltages into noise-immune pulse trains for long-distance transmission or direct interfacing with microcontrollers. This through-hole version is breadboard-friendly and easy to solder, making it an excellent choice for experimental signal processing and precision measurement projects.
Dual Functionality: Operates as both a V/F and F/V converter.
High Frequency Range: Capable of full-scale operation up to 1MHz.
Excellent Linearity: Features ±0.005% maximum non-linearity at 10kHz for high-accuracy applications.
Low Drift: Maintains stable performance with 50ppm/°C typical gain drift.
Wide Dynamic Range: Offers consistent performance across a broad range of input signals.
Pulse Output: Open-collector output allows for easy interfacing with different logic levels.
Simple Configuration: Requires only a few external passive components to set the desired frequency range.
Analog-to-Digital Conversion: Convert analog sensor data into digital pulses.
Remote Data Transmission: Send signal data over long distances with high noise immunity.
Frequency-to-Voltage Integration: Translate pulse-train signals back into readable analog voltages.
Motor Speed Control: Sense and regulate motor RPM through frequency monitoring.
Precision Pulse Generation: Create stable pulse trains for timing and clock circuits.
Supply Voltage Range: ±7V to ±20V
Maximum Full-Scale Frequency: 1MHz
Non-Linearity (at 10kHz): ±0.005% (typical)
Gain Drift: 50ppm/°C
Output Type: Open-collector (Pulse)
Package Type: PDIP (Through-hole)
Operating Temperature: -25°C to +85°C