An optimized electronic architecture for resistive sensors

Boris Alandry,El Mehdi Boujamaa,Souha Hacine,Laurent Latorre,Frederick Mailly,Pascal Nouet

Design Test Integration and Packaging of MEMS/MOEMS（2010）

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摘要

This paper presents a generic electronic interface optimized to condition resistive sensors. Therefore, issues relative to resistive sensing such as power consumption, resolution, offset compensation or flicker noise in amplifiers are addressed to reach optimal performances. In the presented ASIC, two different electronic conditioning chains were implemented to deal with both resonant and DC sensors. Both architectures show good experimental results that confirm the interest of the interfacing approach.

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关键词

application specific integrated circuits,electric sensing devices,flicker noise,asic,dc sensor,electronic conditioning chain,generic electronic interface,offset compensation,optimized electronic architecture,power consumption resolution,resistive sensor,resonant sensor,magnetometers,resonance,resonant frequency,accelerometers,cmos technology,frequency modulation

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