Method and device for analog/digital conversion of an analog signal
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United States of America Patent
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Oct 18, 2016
Grant Date -
May 12, 2016
app pub date -
Aug 26, 2015
filing date -
Nov 7, 2014
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Abstract
A method includes a first analog/digital conversion of an analog signal over m bits, with m less than n, associated with a first full-scale value, and a second analog/digital conversion of the analog signal over m bits associated with a second full-scale value 2n-m times bigger than the first. The two analog/digital conversions are carried out simultaneously and respectively delivering a first intermediate digital word of m bits and a second intermediate digital word of m bits. The method also includes a digital post-processing carried out after the two analog/digital conversions and generating an n-bit digital word starting from at least one of the two intermediate digital words extended to n bits and from at least one threshold digital indication representative of at least one threshold lower than or equal to the first full-scale value.
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