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AD7745 24-Bit Capacitance-to-Digital Converter

AD7745 Description

www.DataSheet4U.com 24-Bit Capacitance-to-Digital Converter with Temperature Sensor AD7745/AD7746 .
The AD7745/AD7746 are a high resolution, Σ-Δ capacitance-todigital converter (CDC).

AD7745 Features

* Capacitance-to-digital converter New standard in single chip solutions Interfaces to single or differential floating sensors Resolution down to 4 aF (that is, up to 21 ENOB) Accuracy: 4 fF Linearity: 0.01% Common-mode (not changing) capacitance up to 17 pF Full-scale (changing) capacitance range: ±4

AD7745 Applications

* The parts have a standard voltage input, which together with the differential reference input allows easy interface to an external temperature sensor, such as an RTD, thermistor, or diode. The AD7745/AD7746 have a 2-wire, I2C-compatible serial interface. Both parts can operate with a single power s

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24-Bit Capacitance-to-Digital Converter Analog Devices
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