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Linear Integrated I...
Linear Integrated Interface for Automatic Differential Capacitive Sensing
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- Barile, Gianluca (författare)
- University of L’Aquila, Italy
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- Ferri, Giuseppe (författare)
- University of L’Aquila, Italy
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- Parente, Francesca Romana (författare)
- University of L’Aquila, Italy
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- Stornelli, Vincenzo (författare)
- University of L’Aquila, Italy
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- Depari, Alessandro (författare)
- University of Brescia, Brescia, Italy
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- Flammini, Alessandra (författare)
- University of Brescia, Brescia, Italy
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- Sisinni, Emiliano (författare)
- University of Brescia, Brescia, Italy
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(creator_code:org_t)
- 2017-08-29
- 2017
- Engelska.
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Ingår i: Proceedings, Volume 1, Eurosensors 2017. - Basel Switzerland : MDPI.
- Relaterad länk:
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https://miun.diva-po... (primary) (Raw object)
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https://www.mdpi.com...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- In this work, the authors introduce a new full-analog front-end for differential capacitance sensors which provides a DC output voltage, directly proportional to the measurand variations. The readout circuit architecture is based on a De Sauty bridge as core of the capacitive sensing whereas the feedback circuitry performs the bridge autobalancing operation by means of changes in a multiplier output. The circuit is designed in a standard CMOS technology (AMS 0.35 µm) so is suitable for portable systems. Simulated results have shown a good agreement with the theoretical model being the percentage relative error less than 2.5%. Interface sensitivity is constant and values around 0.055 V/mm for the considered application.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- differential capacitance sensors
- bridge-based circuits
- CMOS technology
- sensor interfaces
Publikations- och innehållstyp
- vet (ämneskategori)
- kon (ämneskategori)