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:
Mar. 16, 2021

Filed:

Dec. 23, 2019
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventor:

Rajavelu Thinakaran, Bengaluru, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/78 (2006.01); H03M 1/06 (2006.01); H03M 1/66 (2006.01);
U.S. Cl.
CPC ...
H03M 1/785 (2013.01); H03M 1/06 (2013.01); H03M 1/66 (2013.01); H03M 1/78 (2013.01);
Abstract

A multiplying digital to analog converter (MDAC) includes a first resistor configured to be selectively connected to a current output node based on a first bit of a first portion of an input digital code and a second resistor configured to be selectively connected to the current output node based on a second bit of the first portion of the input digital code. A resistance of the second resistor is a resistance of the first resistor scaled by a factor. The MDAC further includes a first capacitor configured to be selectively connected to the current output node based on the first bit of the first portion and a second capacitor configured to be selectively connected to the current output node based on the second bit of the first portion. A capacitance of the second capacitor is a capacitance of the first capacitor scaled by an inverse of the factor.


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