A CMOS micropower voltage-to-frequency converter for portable applications

C. Azcona, B. Calvo, N. Medrano, Santiago Celma-Pueyo, M. R. Valero

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

4 Citations (Scopus)

Abstract

This paper presents a micropower 1.2-V 0.18-m CMOS temperature-compensated voltage-to-frequency converter for portable applications. Results show that the proposed converter has a power consumption of 60 W (15 nW in sleep mode) operating over a (0.0 - 1.0 V) input voltage range with two different selectable output ranges, 0 - 0.5 MHz and 0.5 - 1 MHz. It achieves a relative error below 3 %, a gain error below 3.6 % and a linearity error of 0.004 % (14 bits) over the whole frequency span.

Original languageEnglish
Title of host publication2011 7th Conference on Ph.D. Research in Microelectronics and Electronics, PRIME 2011 - Conference Proceedings
Pages141-144
Number of pages4
DOIs
Publication statusPublished - 5 Sep 2011
Event2011 7th Conference on Ph.D. Research in Microelectronics and Electronics, PRIME 2011 - Madonna di Campiglio, Trento, Italy
Duration: 3 Jul 20117 Jul 2011

Publication series

Name2011 7th Conference on Ph.D. Research in Microelectronics and Electronics, PRIME 2011 - Conference Proceedings

Conference

Conference2011 7th Conference on Ph.D. Research in Microelectronics and Electronics, PRIME 2011
CountryItaly
CityMadonna di Campiglio, Trento
Period3/07/117/07/11

Keywords

  • CMOS mixed integrated circuits
  • Low-voltage low-power
  • Sensor interface
  • Smart sensors
  • Voltage-to-frequency converter
  • WSN

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