The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 28, 2018

Filed:

Jun. 12, 2017
Applicant:

Board of Regents, the University of Texas System, Austin, TX (US);

Inventors:

Yun Chiu, Frisco, TX (US);

Benwei Xu, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/06 (2006.01); G04F 10/00 (2006.01); H03M 1/38 (2006.01); H03M 1/12 (2006.01); H03M 1/00 (2006.01);
U.S. Cl.
CPC ...
G04F 10/005 (2013.01); H03M 1/1245 (2013.01); H03M 1/38 (2013.01); H03M 1/00 (2013.01); H03M 1/0695 (2013.01); H03M 1/12 (2013.01);
Abstract

A two-stage successive-approximation-register (SAR) analog-to-digital converter (ADC) comprising is described. The SAR ADC includes a first stage comprising a SAR ADC; a voltage-to-time interface that translates a voltage-domain residue from the SAR ADC to a time-domain residue; and a second stage comprising a time-to-digital converter (TDC) that resolves multiple bits from the time-domain residue.


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