Asynchronous SAR ADC

P.J.A. Harpe (Inventor)

Research output: PatentPatent publication

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An asynchronous analog to digital convertor for converting an analog input signal into a digital output is presented. According to an embodiment, the analog to digital convertor comprises a clock input operable to receive an external clock signal having a clock period, a comparator operable to compare the analog input signal to a reference signal, a digital to analog converter operable to generate the reference signal corresponding to a state of a successive approximation register, and a control block connected to the comparator and to the digital to analog converter. The control block is operable to generate and receive a sequence of control signals according to a successive approximation algorithm, to perform a plurality of comparisons, and to update the state of the successive approximation register thereby generating the digital output.
Original languageEnglish
Patent numberUS20110057823
Priority date10/09/09
Publication statusPublished - 10 Mar 2011

Bibliographical note

Also published as:
EP2296280 (A1)


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