논문 해외 국제전문학술지(SCI급) A 490-pW SAR Temperature Sensor with a Leakage-Based Bandgap-Vth Reference
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2020-09
- 저자명 Bumjin Park, Youngwoo Ji, Jae-Yoon Sim
- 학술지명 IEEE Transactions on Circuits and Systems II: Express Briefs
- 발행처명 Institute of Electrical and Electronics Engineers Inc.
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 3
홈페이지논문 초록 (Abstract)
This brief presents a temperature sensor that combines a leakage-based bandgap-Vth reference and an asynchronous SAR. The proposed sensor is implemented with 0.18 $\mu \text{m}$ CMOS technology. By sampling leakage-based biases directly in the SAR ADC, the sensor consumes 490 pW at 20 °C with a conversion time of 200 ms and stably works with a 1-point calibration, showing a ±2.35 °C peak-to-peak inaccuracy from -10 to 100 °C. The proposed sensor can operate across a wide range of supply voltage of 1 V to 2.1 V, with a supply sensitivity of 1.073 °C/V.