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:
Jun. 11, 2019
Filed:
Nov. 19, 2016
Nxp B.v., Eindhoven, NL;
NXP B.V., Eindhoven, NL;
Abstract
A resistive sensor includes a current input sigma-delta converter that uses a switched offset voltage source to provide scalable gain and more linear operation. The sigma-delta converter includes an integrator, a quantizer, and a decimator. In one embodiment, the resistive sensor and offset voltage source are coupled to provide an input current at a first node. The integrator has a first input terminal coupled to the first node, and an output terminal. The quantizer has a first input terminal coupled to the output terminal of the integrator, a second input terminal for receiving a clock signal, and an output terminal coupled to provide a feedback signal to control the offset voltage source. The decimator has an input terminal coupled to the output terminal of the quantizer, and an output terminal for providing an output signal. The switched offset voltage source provides scalable gain and good linearity.