A 0.6V Multi-VT current mirror differential OTA

A. Bargagli-Stoffi, J. Sauerbrey, J. Wang, R. Shrivastava, D. Schmitt-Landsiedel

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

A low power fully differential transconductance amplifier with rail-to-rail outputs, operating from a single 0.6V supply and simulated in a 90nm CMOS standard process is presented. Since the scaling of the threshold voltage does not proportionally follow the supply voltage scaling, transistors are driven in moderate inversion and their minimum drain source voltage becomes a significant fraction of the power supply. Through a straightforward analysis of a low voltage current mirror, the obtainable Improvements due to the use of the multi-VT option of the process are highlighted. The amplifier, whose transistors operate in moderate inversion, presents a unity gain bandwidth of 100MHz with a power consumption of 90μW.

Original languageEnglish
Title of host publicationISSCS 2005
Subtitle of host publicationInternational Symposium on Signals, Circuits and Systems - Proceedings
Pages279-282
Number of pages4
DOIs
StatePublished - 2005
EventISSCS 2005: International Symposium on Signals, Circuits and Systems - Iasi, Romania
Duration: 14 Jul 200515 Jul 2005

Publication series

NameISSCS 2005: International Symposium on Signals, Circuits and Systems - Proceedings
Volume1

Conference

ConferenceISSCS 2005: International Symposium on Signals, Circuits and Systems
Country/TerritoryRomania
CityIasi
Period14/07/0515/07/05

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