• DocumentCode
    1885802
  • Title

    A CMOS temperature sensor with an energy-efficient zoom ADC and an Inaccuracy of ±0.25°C (3s) from −40°C to 125°C

  • Author

    Souri, K. ; Kashmiri, M. ; Makinwa, Kofi

  • Author_Institution
    Delft Univ. of Technol., Delft, Netherlands
  • fYear
    2010
  • fDate
    7-11 Feb. 2010
  • Firstpage
    310
  • Lastpage
    311
  • Abstract
    A 0.26 mm2 CMOS temperature sensor is realized in a 0.16 μm CMOS process. It uses a hybrid SAR/ΔΣ (zoom) ADC to achieve 0.018°C resolution at 10S/s while dissipating 9 μW. After a 1-point trim, the sensor achieves an inaccuracy of ±0.25°C (3σ) in the range from -40°C to 125°C.
  • Keywords
    Δ-Σ modulation; CMOS integrated circuits; analogue-digital conversion; temperature sensors; Δ-Σ modulation; CMOS temperature sensor; analog-digital modulation; hybrid SAR; power 9 muW; size 0.16 μm; temperature -40 °C to 125 °C; zoom ADC; CMOS logic circuits; Capacitors; Clocks; Energy efficiency; Energy resolution; Micromechanical devices; Sampling methods; Temperature measurement; Temperature sensors; Voltage;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2010 IEEE International
  • Conference_Location
    San Francisco, CA
  • ISSN
    0193-6530
  • Print_ISBN
    978-1-4244-6033-5
  • Type

    conf

  • DOI
    10.1109/ISSCC.2010.5433898
  • Filename
    5433898