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Data Acquisition

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Calibrating an ADC

Posted January 24, 2008 8:11 AM

Hand held devices used in applications ranging from measuring toxic gas, to blood glucose need calibration to ensure accuracy. This article describes an on-the-fly calibration technique for dual-slope analog-to-digital converters (ADCs). It allows detection and compensation for changes in zero-offset and voltage span. How do you keep devices calibrated?

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caramba
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Engineering Fields - Instrumentation Engineering - New Member Hobbies - Fishing - New Member

Join Date: Jan 2008
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Good Answers: 8
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Re: Calibrating an ADC

01/24/2008 10:15 AM

ADC based on AD7714 and AD7710 (Analog Devices) had permitted to use this technique of self-calibration for zero and span some years ago.
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