An ultra low power bandgap operational at supply from 0.75 v

Vadim Ivanov, Ralf Brederlow, Johannes Gerber

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123 Scopus citations

Abstract

we present an ultra low power (200 nA current consumption) reverse bandgap voltage reference operational from supply voltages down to 0.75 V. The reference is a part of microprocessor system on chip implemented in a digital 130 nm CMOS process and has a total area of 0.07 mm 2. The reference accuracy is ±2.5\% (5 sigma) over a temperature range of -20 to 85° C without trimming. With trimming ±0.5\% accuracy is achieved.

Original languageEnglish
Article number6191329
Pages (from-to)1515-1523
Number of pages9
JournalIEEE Journal of Solid-State Circuits
Volume47
Issue number7
DOIs
StatePublished - 2012
Externally publishedYes

Keywords

  • Voltage reference
  • low power
  • low voltage
  • reverse bandgap
  • supply supervisor

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