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:
Sep. 09, 2025

Filed:

Dec. 21, 2020
Applicant:

Google Llc, Mountain View, CA (US);

Inventors:

Kannan Aryaperumal Sankaragomathi, Waterloo, CA;

Johan Peter Vanderhaegen, Cupertino, CA (US);

Assignee:

Google LLC, Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01); H03M 1/08 (2006.01); H03M 1/16 (2006.01); H03M 3/00 (2006.01);
U.S. Cl.
CPC ...
H03M 3/426 (2013.01); H03M 1/0854 (2013.01); H03M 1/16 (2013.01); H03M 3/498 (2013.01);
Abstract

This disclosure describes apparatuses, methods, and techniques that enable a computing device to support a dynamic range of audio quality, varying bandwidths, varying sampling rates, numerous effective number of bits (ENOBs) resolutions, conserve power during an overall usage of the computing device, and enhance a user experience. To do so, the computing device utilizes a reconfigurable analog-to-digital converter (ADC). The reconfigurable ADC includes a successive-approximation-register (SAR) ADC, a noise-canceling circuit, and a noise-shaping circuit. The reconfigurable ADC can selectively operate in different modes of operation, in part, by enabling or disabling the noise-canceling circuit and the noise-shaping circuit.


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