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Part Number
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AD7747 |
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Manufacturer
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Analog Devices |
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Description
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24-Bit Capacitance-to-Digital Converter |
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Published
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Nov 21, 2006 |
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Detailed Description
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24-Bit Capacitance-to-Digital Converter with Temperature Sensor AD7747
FEATURES
GENERAL DESCRIPTION
Capacitance-to-di...
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Datasheet
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AD7747
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Overview
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
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