Analog to digital converter

  • US 20060208935A1
  • Filed: 11/14/2005
  • Published: 09/21/2006
  • Est. Priority Date: 03/21/2005
  • Status: Active Grant
First Claim
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1. A analog to digital converter, comprising:

  • an input for receiving an input signal to be digitised;

    a first converter core for performing a first part of an analog to digital conversion, and for outputting a first digital result;

    a first residue generator for generating a first residue as a difference between the input signal and the first digital result;

    a second converter core for performing a second part of the analog to digital conversion by converting the first residue;

    wherein at least one of the first and second converter cores comprises at least three analog to digital conversion engines and a controller for controlling the operation of the engines such that the engines collaborate to perform a successive approximation search.

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