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AD7747 - 24-Bit Capacitance-to-Digital Converter

Description

Capacitance-to-digital converter New standard in single chip solutions Interfaces to single or differential grounded sensors Resolution down to 20 aF (that is, up to 19.5-bit ENOB) Accuracy: 10 fF Linearity: 0.01% Common-mode (not changing) capacitance up to 17 pF Full-scale (changing) capacitance

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Datasheet Details

Part number AD7747
Manufacturer Analog Devices
File Size 492.02 KB
Description 24-Bit Capacitance-to-Digital Converter
Datasheet download datasheet AD7747 Datasheet

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Other Datasheets by Analog Devices

Part Number Description
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AD7745 24-Bit Capacitance-to-Digital Converter
AD7746 24-Bit Capacitance-to-Digital Converter

Full PDF Text Transcription

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24-Bit Capacitance-to-Digital Converter with Temperature Sensor AD7747 FEATURES GENERAL DESCRIPTION Capacitance-to-digital converter New standard in single chip solutions Interfaces to single or differential grounded sensors Resolution down to 20 aF (that is, up to 19.5-bit ENOB) Accuracy: 10 fF Linearity: 0.01% Common-mode (not changing) capacitance up to 17 pF Full-scale (changing) capacitance range ±8 pF Update rate: 5 Hz to 45 Hz Simultaneous 50 Hz and 60 Hz rejection at 8.1 Hz update Active shield for shielding sensor connection Temperature sensor on-chip Resolution: 0.1°C, accuracy: ±2°C Voltage input channel Internal clock oscillator 2-wire serial interface (I2C® compatible) Power 2.7 V to 5.25 V single-supply operation 0.
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