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:
Nov. 08, 2016
Filed:
Mar. 09, 2015
Texas Instruments Incorporated, Dallas, TX (US);
Karan Singh Jain, Dallas, TX (US);
Susan Ann Curtis, Allen, TX (US);
Harish Venkataraman, Wylie, TX (US);
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Abstract
A circuit for a level shifting of common mode voltage. The circuit includes a first amplifier, wherein the input of the first amplifier is coupled to a voltage source and another input of the first amplifier is coupled 2.5v, feedback resistor, R, and feedback capacitor, C, connected coupled to the voltage source, wherein other side of feedback resistor is coupled between two resistors, Rand Rand wherein the other side of the feedback capacitor is coupled between Rand the output of the first amplifier, Ris connected to Vfrom one side and Rand Rfrom the other, Ris connected to Rand Rfrom one side and Cand output of the first amplifier from the other side, another resistor, Ris connect to the output of the first amplifier, Cand Rfrom one side and Ryet another resistor, and input of ampfrom the other, a second amplifier, Ampis connected to the Rand Rat one input and 1.5v at the other input, and wherein the output of the second amplifier is connected to Rand Rconnects to one input of the second amplifier and the output of the second amplifier.