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:
Aug. 30, 2016
Filed:
May. 07, 2014
Infineon Technologies Ag, Neubiberg, DE;
Adrian Popa, Bucharest, RO;
Valentin Neagu, Cocorastii Mislii, RO;
Alexandra-Oana Petroianu, Bucharest, RO;
Infineon Technologies AG, Neubiberg, DE;
Abstract
Some embodiments relate to an integrated circuit (IC). The IC determines a time-variant resistance of an sensing resistor, wherein a resistance of the sensing resistor reflects an ambient environmental condition. The IC includes first and second conditioning circuits, an analog to digital conversion (ADC) element, and a logic circuit. The first conditioning circuit provides a first voltage based on the resistance of the sensing resistor, while the second conditioning circuit provides a second voltage based on a resistance of an on-chip reference resistor. The ADC element provides a multi-bit digital value based on a ratio of the first and second voltages. The multi-bit digital value is indicative of the ambient environmental condition measured by the off-chip sensor. A logic circuit selectively adjusts the first and second voltages based on the multi-bit digital value to limit or avoid saturation of the ADC element. Other embodiments are also disclosed.
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