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:
Jul. 01, 2014
Filed:
Sep. 07, 2012
Seetharaman Janakiraman, Bangalore, IN;
Minkle Eldho Paul, Bangalore, IN;
Seetharaman Janakiraman, Bangalore, IN;
Minkle Eldho Paul, Bangalore, IN;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
An intermediate set of bits of a SAR ADC are converted into first intermediate analog value and a second intermediate analog value respectively from a first set of representative capacitor and a second set of representative capacitor. A capacitor in the first set and second set are selected as not same. A SAR ADC output code is generated from the first intermediate analog value and the second intermediate analog value. The resolution of a N bit SAR ADC can be enhanced by generating more than one N bits digital codes correspondingly operating the N Bit SARADC with more than on transfer functions. Each transfer function is selected such that they are offset by a fraction of LSB value. The more than one N bits digital codes are then added to form P bits digital code such that P is greater than N due to addition.