Dither technique for improving dynamic non-linearity in an analog to digital converter, and an analog to digital converter having improved dynamic non-linearity

  • US 7,663,518 B2
  • Filed: 03/01/2007
  • Issued: 02/16/2010
  • Est. Priority Date: 10/10/2006
  • Status: Active Grant
First Claim
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1. An analog to digital converter comprising:

  • an analog to digital converter, in which the conversion engine comprises a switched capacitor array having redundancy;

    a conversion engine comprising a switched capacitor array having redundancy therein;

    a dither device for applying a dither to the conversion engine; and

    a controller adapted to operate the conversion engine to perform a successive approximation conversion of an analog input, and wherein the dither is removed from the conversion engine prior to completion of successive approximation bit trials as part of the analog to digital conversion.

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