The Active Bridge: an Alternative to the Wheatstone Bridge for Efficient Conditioning of Resistive MEMS Sensors

El Mehdi Boujamaa; Norbert Dumas; Laurent Latorre; Frédérick Mailly; Pascal Nouet

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The Active Bridge: an Alternative to the Wheatstone Bridge for Efficient Conditioning of Resistive MEMS Sensors

El Mehdi Boujamaa, Norbert Dumas, Laurent Latorre, Frédérick Mailly et Pascal Nouet

DTIP 2009 - Symposium on Design, Test, Integration & Packaging of MEMS/MOEMS, pp.265-268

DTIP 2009 - Symposium on Design, Test, Integration & Packaging of MEMS/MOEMS (Rome, Italy, 01/04/2009–03/04/2009)

2009

Résumé

MEMS

Bridge circuits

Micromechanical devices

Energy consumption

Electric resistance

Equations

Signal to noise ratio

Instruction sets

Bandwidth

Voltage

Integrated circuit noise

This paper presents an innovative conditioning and read-out interface for resistive MEMS sensor named “activebridge”. Different implementations of the proposed structure were evaluated by electrical simulations, using a 0.35μm AMS technology. The results demonstrate a significant power consumption reduction for a given SNR or a greater SNR for a given current consumption.

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Titre: The Active Bridge: an Alternative to the Wheatstone Bridge for Efficient Conditioning of Resistive MEMS Sensors
Créateurs - sans rôle: El Mehdi Boujamaa - Université de Montpellier, Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier - LIRMM
Norbert Dumas - Conception et Test de Systèmes MICroélectroniques
Laurent Latorre - Conception et Test de Systèmes MICroélectroniques
Frédérick Mailly - Conception et Test de Systèmes MICroélectroniques
Pascal Nouet - Conception et Test de Systèmes MICroélectroniques
Détails de publication: DTIP 2009 - Symposium on Design, Test, Integration & Packaging of MEMS/MOEMS, pp.265-268
Colloque: DTIP 2009 - Symposium on Design, Test, Integration & Packaging of MEMS/MOEMS (Rome, Italy, 01/04/2009–03/04/2009)
Identifiants: 9943042109311
Unité académique: Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier - LIRMM
Langue: English
Type de ressource: Conference proceeding
Champs locaux: lirmm-00373800