A 62.6-pJ/Conversion Temperature Sensor with a Capacitor Voltage Division
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- Title
- A 62.6-pJ/Conversion Temperature Sensor with a Capacitor Voltage Division
- Authors
- Park, Bumjin; Ji, Youngwoo; Sim, Jae-Yoon
- Date Issued
- 2021-02
- Publisher
- IEEK PUBLICATION CENTER
- Abstract
- This paper presents an ultra-low-power temperature sensor that detects the temperature with a leakage-based bandgap circuit and converts it with an asynchronous SAR ADC. The implemented temperature sensor consumes 487 pW at 20 degrees C with an energy efficiency of 62.6 pJ/conversion. A 1-point and 2-point calibrations show peak-to-peak inaccuracies of-3.43/+2.77 degrees C and-1.63/+1.63 degrees C, respectively, in a temperature range of-30-to-100 degrees C. The supply sensitivity is 0.61 degrees C/V at 20 degrees C.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/113090
- DOI
- 10.5573/JSTS.2021.21.1.073
- ISSN
- 1598-1657
- Article Type
- Article
- Citation
- JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, vol. 21, no. 1, page. 73 - 79, 2021-02
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