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A silicon-on-sapphire low-voltage temperature sensor for energy scavengers

  • Tolga Kaya*
  • , Hur Koser
  • , Eugenio Culurciello
  • *Bu çalışma için yazışmadan sorumlu yazar
  • Yale University

Araştırma sonucu: Dergiye katkıKonferans makalesibilirkişi

Özet

We report on the design and test of a low-voltage temperature sensor designed for MEMS power-harvesting systems. The core of the sensor is a bandgap voltage reference circuit operating with a supply voltage in the range of 1-1.5V. The prototype was fabricated on a conventional 0.5μm Silicon-on-Sapphire (SOS) process. The sensor design consumes 15μA of current at 1V. The internal reference voltage is 550mV. The temperature sensor has a digital square wave output whose frequency is proportional to temperature. A linear model of the dependency of output frequency with temperature has a conversion factor of 1.6kHz/°C. The output is also independent of supply voltage in the range of 1-1.5V. We report measured results and targeted applications for the proposed circuit.

Orijinal dilİngilizce
Makale numarası4253173
Sayfa (başlangıç-bitiş)2455-2458
Sayfa sayısı4
DergiProceedings - IEEE International Symposium on Circuits and Systems
DOI'lar
Yayın durumuYayınlandı - 2007
Etkinlik2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007 - New Orleans, LA, United States
Süre: 27 May 200730 May 2007

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