A 6 μ W ±50 ppm/°C ±1500 ppm/V 1.5 MHz RC oscillator using self-regulation

Tianyu Wang, Danielle Griffith, Mostafa G. Ahmed, Junheng Zhu, Da Wei, Ahmed Elkholy, Ahmed Elmallah, Pavan Kumar Hanumolu

Research output: Contribution to journalArticle

Abstract

A low power RC relaxation oscillator with very low voltage and temperature sensitivities is presented. Supply sensitivity is reduced by using a self-regulation loop that biases the oscillator near its zero-voltage coefficient point. Fabricated in a 65-nm CMOS process, the prototype 1.5-MHz oscillator consumes 6 μW from 1-V supply and achieves better than ±50 ppm/°C and ±1500 ppm/V temperature and voltage sensitivities, respectively.

Original languageEnglish (US)
Article number8556499
Pages (from-to)1297-1301
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Volume66
Issue number8
DOIs
StatePublished - Aug 2019

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Electric potential
Relaxation oscillators
Temperature

Keywords

  • RC relaxation oscillator
  • regulation
  • voltage sensitivity
  • zero voltage coefficient

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

A 6 μ W ±50 ppm/°C ±1500 ppm/V 1.5 MHz RC oscillator using self-regulation. / Wang, Tianyu; Griffith, Danielle; Ahmed, Mostafa G.; Zhu, Junheng; Wei, Da; Elkholy, Ahmed; Elmallah, Ahmed; Hanumolu, Pavan Kumar.

In: IEEE Transactions on Circuits and Systems II: Express Briefs, Vol. 66, No. 8, 8556499, 08.2019, p. 1297-1301.

Research output: Contribution to journalArticle

Wang, Tianyu ; Griffith, Danielle ; Ahmed, Mostafa G. ; Zhu, Junheng ; Wei, Da ; Elkholy, Ahmed ; Elmallah, Ahmed ; Hanumolu, Pavan Kumar. / A 6 μ W ±50 ppm/°C ±1500 ppm/V 1.5 MHz RC oscillator using self-regulation. In: IEEE Transactions on Circuits and Systems II: Express Briefs. 2019 ; Vol. 66, No. 8. pp. 1297-1301.
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