A programmable bandgap voltage reference CMOS ASIC

Gerard Kennedy, Karl Rinne

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

Abstract

The research, design and simulation of a programmable bandgap voltage reference is presented. This reference is novel in that it is programmable via a system on chip bus and it comprises a bandgap voltage reference that is digitally modulated by a first order delta sigma modulator and then smoothed by a passive RC filter. The key design objectives are to provide a programmable output from 0 V to 2.5 V approx, with 10-bit resolution and a temperature coefficient of less than 100 ppm/°c over a temperature range from -55°C to +125°C. Another key design objective is to integrate all passive and active components used into one 0.35 micron full custom mixed signal CMOS ASIC.

Original languageEnglish
Title of host publicationIMTC'05 - Proceedings of the IEEE Instrumentation and Measurement Technology Conference
Pages501-506
Number of pages6
DOIs
Publication statusPublished - 2005
EventIMTC'05 - Proceedings of the IEEE Instrumentation and Measurement Technology Conference - Ottawa, ON, Canada
Duration: 16 May 200519 May 2005

Publication series

NameConference Record - IEEE Instrumentation and Measurement Technology Conference
Volume1
ISSN (Print)1091-5281

Conference

ConferenceIMTC'05 - Proceedings of the IEEE Instrumentation and Measurement Technology Conference
Country/TerritoryCanada
CityOttawa, ON
Period16/05/0519/05/05

Keywords

  • Bandgap voltage reference
  • Programmable bandgap voltage reference
  • Programmable voltage reference
  • Voltage reference

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