A Hall sensor microsystem with continuous gain calibration using fully integrated references

This paper presents an integrated Hall sensor microsystem with continuous gain calibration and a current-mode back-end. The integrated system includes a Hall sensor with internal biasing, a fully differential front-end, a preamplifier chain, a voltage-to-current converter and internal voltage and cu...

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Bibliographic Details
Published in2012 IEEE International Symposium on Circuits and Systems (ISCAS) pp. 1399 - 1402
Main Authors Ajbl, Andrea, Pastre, Marc, Kayal, Maher
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2012
Subjects
Calibration
Demodulation
Resistors
Sensitivity
Temperature measurement
Temperature sensors
Thermal stability
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Summary:This paper presents an integrated Hall sensor microsystem with continuous gain calibration and a current-mode back-end. The integrated system includes a Hall sensor with internal biasing, a fully differential front-end, a preamplifier chain, a voltage-to-current converter and internal voltage and current references. The main feature of this microsystem is full integration, including the references, which guarantee the gain stability. The whole microsystem is integrated in a 0.35µm CMOS technology. It occupies an area of 11.55mm 2 .
ISBN:9781467302180
146730218X
ISSN:0271-4302
2158-1525
DOI:10.1109/ISCAS.2012.6271505