A 2.7ua sub1-v voltage reference

  • Authors:
  • Juan Mateus;Elkim Roa;Hugo Hernandez;Wilhelmus Van Noije

  • Affiliations:
  • Industrial University of Santander, Bucaramanga, Colombia;Industrial University of Santander, Bucaramanga, Colombia;Polytechcnic School - University of São Paulo, São Paulo, Brazil;Polytechcnic School - University of São Paulo, São Paulo, Brazil

  • Venue:
  • Proceedings of the 21st annual symposium on Integrated circuits and system design
  • Year:
  • 2008

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Abstract

A simplified voltage reference topology with low power consumption based on MOS transistors in weak inversion operation is presented. A 176 mV @ 27°C output voltage with a quiescent current of 2.7 μA @ 3.3 V and a thermal coefficient of 8.8 μV/°C in the temperature range of [-25; 100] °C had been achieved in measurement results. The circuit had been fabricated in AMS 0.35 μm C35B4 CMOS technology with an active area of 105 &