AD7746ARUZ-REEL Capacitance-to-Digital Converter

The AD7746ARUZ-REEL is a highly precise capacitance-to-digital converter (CDC) from Analog Devices Inc., a leader in high-performance semiconductors. This component is part of the REEL packaging series, which ensures efficient and reliable supply for mass production requirements.

Key Features

• 24-bit Capacitance-to-Digital Converter (CDC)
• Dual capacitance input channels
• High accuracy: 4 fF resolution with no missing codes
• Programmable input range and sample rate
• Integrated temperature sensor
• I²C compatible serial interface
• Supply voltage: 2.7 V to 5.25 V
• Compact TSSOP-16 package

Applications

The AD7746ARUZ-REEL is designed for applications requiring high-precision capacitive sensing. It is ideal for:

• Material analysis and detection
• Industrial process control
• Liquid level sensing
• Position and proximity sensing
• Humidity and moisture analysis

Product Description

The AD7746ARUZ-REEL is optimized for sensing capacitive changes, making it perfect for advanced sensor systems. The device features dual differential inputs which allow for simultaneous measurement of two separate capacitive sensors. With its 24-bit resolution, this CDC offers exceptional measurement precision, providing 4 femtofarad (fF) resolution with no missing codes.

For enhanced flexibility, the AD7746ARUZ-REEL includes a programmable input range and sample rate, allowing designers to tailor the device to their specific application requirements. Moreover, an onboard temperature sensor enables temperature compensation and provides additional sensor data.

Communication with microcontrollers or digital systems is facilitated through an I²C compatible serial interface, ensuring easy integration into a wide range of systems. Operating over a supply voltage range of 2.7 V to 5.25 V, this device is versatile and can be powered by various sources.

Housed in a compact TSSOP-16 package, the AD7746ARUZ-REEL is suitable for space-constrained applications, maintaining a small footprint without compromising on performance.

With its precision, integration, and ease of use, the AD7746ARUZ-REEL from Analog Devices Inc. stands out as a superior solution for advanced capacitive sensing applications.