AD7747ARUZ;AD7747ARUZ-REEL;AD7747ARUZ-REEL7;EVAL-AD7747EBZ;中文规格书,Datasheet资料.pdf

AD7747ARUZ;AD7747ARUZ-REEL;AD7747ARUZ-REEL7;EVAL-AD7747EBZ;中文规格书,Datasheet资料.pdf

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AD7747ARUZ;AD7747ARUZ-REEL;AD7747ARUZ-REEL7;EVAL-AD7747EBZ;中文规格书,Datasheet资料

24-Bit Capacitance-to-Digital Converter with Temperature Sensor AD7747 FEATURES GENERAL DESCRIPTION Capacitance-to-digital converter The AD7747 is a high-resolution, Σ-Δ capacitance-to-digital New standard in single chip solutions converter (CDC). The capacitance to be measured is connected Interfaces to single or differential grounded sensors directly to the device inputs. The architecture features inherent Resolution down to 20 aF (that is, up to 19.5-bit ENOB) high resolution (24-bit no missing codes, up to 19.5-bit effective Accuracy: 10 fF resolution), high linearity (±0.01%), and high accuracy (±10 fF Linearity: 0.01% factory calibrated). The AD7747 capacitance input range is Common-mode (not changing) capacitance up to 17 pF ±8 pF (changing), and it can accept up to 17 pF common-mode Full-scale (changing) capacitance range ±8 pF capacitance (not changing), which can be balanced by a program- Update rate: 5 Hz to 45 Hz

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