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Design of a rail-to-rail folded cascode amplifier with transconductance feedback circuit
Citation Link: https://doi.org/10.15480/882.1362
Publikationstyp
Conference Paper
Date Issued
2016-03
Sprache
English
TORE-DOI
Citation
Proceedings of the Conference ICTOpen: (2016)
Contribution to Conference
Publisher
ICTOPEN
In this work a programmable folded cascode railto-rail operational amplifier (OpAmp) with small settling time and transconductance feedback circuit is proposed. It employs a 130 nm CMOS technology with 1.2 V power supply. The small settling time is required to charge an ADC within a given time frame. The OpAmp achieves a gain bandwidth of 19.95 MHz with a 70 pF load and a minimum settling time of 144 ns while consuming 0.551 mA quiescent current. It can be shown that with 130 nm technology, high performance amplifiers can be realized on very small area.
Subjects
programmable ooperational amplifier
small settling time
rail-to-rail folded cascode amplifier
konstant transconductance feedback circuit
DDC Class
620: Ingenieurwissenschaften
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CiocoveanuICTOpen2016.pdf
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1.79 MB
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