Analog-to-digital conversion device
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United States of America Patent
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Jan 20, 2015
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N/A
app pub date -
Feb 14, 2013
filing date -
Feb 16, 2012
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Abstract
An analog-to-digital conversion device has: an analog-to-digital converter configured to receive an input signal via an input signal node, and convert the input signal to a digital signal; and a control circuit configured to receive the digital signal when the input signal is set to have a fixed value, and change, when a deviation amount of the digital signal with the respect to an expected value is equal to or larger than a threshold value, a value of a capacitor between a power supply potential node and a reference potential node of the analog-to-digital converter and/or values of resistors connected to the power supply potential node and the reference potential node of the analog-to-digital converter.
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