AMPLIFIER ARRANGEMENT AND SENSOR ARRANGEMENT WITH SUCH AMPLIFIER ARRANGEMENT

An amplifier arrangement comprises a sensor input and a first and a second amplifier. The first amplifier has a first amplifier output and a first input connected to a first reference potential terminal and a second input connected to the sensor input in a direct fashion and to the first amplifier o...

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Bibliographic Details
Main Authors KANAGAL RAMESH, Srinidhi Koushik, Leonardo, Vincenzo
Format Patent
LanguageEnglish
Published 11.06.2020
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
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Summary:An amplifier arrangement comprises a sensor input and a first and a second amplifier. The first amplifier has a first amplifier output and a first input connected to a first reference potential terminal and a second input connected to the sensor input in a direct fashion and to the first amplifier output via a feedback path having a switched integration capacitor that is charged by the feedback path during a first switching phase and discharged during a second switching phase. The second amplifier has a second amplifier output, a first input connected to a second reference potential terminal and a second input. A first feedback capacitor is connected in-between two pairs of feedback switches. A second feedback capacitor is connected between the second amplifier output and the second input of the second amplifier. An impedance element is coupled between the second amplifier output and the sensor input.
Bibliography:Application Number: US201816617107