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.

Patent No.:

US 9191025 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 17, 2015

Filed:

Sep. 30, 2014
Applicant:

Stmicroelectronics International N.v., Schiphol, NL;

Inventor:

Anubhuti Chopra, Delhi, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01); H03M 1/68 (2006.01); H03M 1/06 (2006.01); H03M 1/12 (2006.01); H03M 1/46 (2006.01); H03M 3/00 (2006.01);
U.S. Cl.
CPC ...
H03M 1/687 (2013.01); H03M 1/0626 (2013.01); H03M 1/1245 (2013.01); H03M 1/462 (2013.01); H03M 3/464 (2013.01);
Abstract

In an embodiment, a digital-to-analog converter (DAC) converts an input digital signal into an output analog signal, and includes first and second segments, a combiner, and a controller. The first segment includes a first number of first elements that are configured to generate a first analog signal in response to a first portion of the digital signal, and the second segment includes a second number of second elements that are configured to generate a second analog signal in response to a second portion of the digital signal. The combiner is configured to combine the first analog signal and the second analog signal to generate the output analog signal, and the controller is configured to deactivate one of the first elements and to activate one of the second elements in place of the deactivated first element. For example, such a segmented DAC may be suitable for use in a sigma-delta ADC.


Find Patent Forward Citations

Chopra, Anubhuti. (2015). Segmented digital-to-analog converter (U.S. Patent No. 9191025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9191025

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