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PROKOP, R., MUSIL, V.
Original Title
Simple switched opamp offset compensation
Type
conference paper
Language
English
Original Abstract
The switched offset compensation of an operational amplifier was designed in AMIS CMOS07 technology as one of the main parts of the electrochemical sensor measurement system. Usual offset of operational amplifiers in the technology is about 10mV-15mV, but measured signal value was in between 10mV-100mV with desired maximum error lower than 5%. By this solution we are able to compensate the mentioned opamp offset as well as the voltage drop at the switch connected in serie with measured sensor.
Keywords
Operational amplifier offset compensation, switched circuits
Authors
RIV year
2006
Released
14. 9. 2006
Publisher
Ing. Zdeněk Novotný CSc., Brno
Location
BRNO, Czech Republic
ISBN
80-214-3246-2
Book
Proceedings of the EDS IMAPS CS International Conference 2006
Pages from
457
Pages to
460
Pages count
4
BibTex
@inproceedings{BUT24902, author="Roman {Prokop} and Vladislav {Musil}", title="Simple switched opamp offset compensation", booktitle="Proceedings of the EDS IMAPS CS International Conference 2006", year="2006", pages="4", publisher="Ing. Zdeněk Novotný CSc., Brno", address="BRNO, Czech Republic", isbn="80-214-3246-2" }