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AD7745

Part Number	AD7745
Manufacturer	Analog Devices
Description	24-Bit Capacitance-to-Digital Converter
Published	Dec 23, 2006
Detailed Description	www.DataSheet4U.com 24-Bit Capacitance-to-Digital Converter with Temperature Sensor AD7745/AD7746 FEATURES Capacitance-...
Datasheet	AD7745 PDF File

Overview

www.
DataSheet4U.
com 24-Bit Capacitance-to-Digital Converter with Temperature Sensor AD7745/AD7746 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 pF Tolerant of parasitic capacitance to ground up to 60 pF Update rate: 10 Hz to 90 Hz Simultaneous 50 Hz and 60 Hz rejection at 16 Hz Temperature sensor on-chip Resolution: 0.
1°C, accuracy: ±2°C Voltage input channel Internal clock oscillator 2-wire serial interface (I2C®-compatible) Power...

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