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.:
Date of Patent:
Sep. 03, 2002
Filed:
Dec. 21, 2001
Applicant:
Inventor:
Mark A. Burns, McKinney, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M 2/66 ;
U.S. Cl.
CPC ...
H03M 2/66 ;
Abstract
A digital to analog converter includes a network of impedance components having a plurality of nodes having associated voltages. A tap is coupled to one or more associated one of the plurality of nodes to source or sink electrical current relative to the associated node(s). A switching system is operative to couple a selected one of the nodes to an output according to a digital input word and thereby provide an analog voltage corresponding to the digital input.