The AD654JR is a monolithic Voltage-to-Frequency Converter (VFC) from Analog Devices Inc., known for its high precision and versatility in a wide range of applications. This integrated circuit is designed to convert an analog voltage input into a proportional frequency output, making it an ideal choice for applications requiring simple interfacing to microprocessors, easy-to-read displays, or long-distance data transmission without degradation.

Key Features

• Low cost, high performance
• Single or dual supply operation
• Wide supply voltage range: 5V to 36V
• High linearity: 0.03% max at 10 kHz
• Full-scale frequency up to 500 kHz
• Minimum number of external components needed
• Temperature-stable and low power

Applications

• Frequency to digital conversion
• Long-term integration
• Linear frequency modulation or demodulation
• Frequency-phase modulation
• Motor speed control
• Isolated data transmission

The AD654JR offers a simple setup with its minimal external component count, which reduces system complexity and cost. The device can be used in either single-supply or dual-supply modes, providing flexibility for various design requirements. With its wide dynamic range and high linearity, the AD654JR ensures accurate and reliable conversion for precision applications.

Whether you're working on a digital weighing system, a motor control circuit, or a signal processing module, the AD654JR from Analog Devices is an excellent choice for achieving high-performance VFC capabilities. Its ease of use, combined with Analog Devices' reputation for quality, makes the AD654JR a go-to component for engineers and designers looking to incorporate voltage-to-frequency conversion into their systems.

For detailed specifications, application notes, and additional resources, please visit the official product page.