A 0.9V Self-Referenced Resistor-Based Temperature Sensor With-0.62/+0.81°C(3σ) Inaccuracy

被引：5

作者：

Kim, Junho ^{[1
]}

Lee, Sinho ^{[1
]}

Lee, Minjae ^{[1
]}

机构：

[1] GIST, Sch Elect Engn & Comp Sci, Gwangju 61005, South Korea

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2023年 / 70卷 / 12期

关键词：

Temperature sensor; resistor-based; oscillator; time-domain; self-referenced; 3-SIGMA INACCURACY; THERMAL SENSOR; DEGREES-C;

D O I：

10.1109/TCSII.2023.3291621

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This brief presents a self-referenced resistor-based temperature sensor that requires no external clock. The sensing element uses the low-noise swing-boosted RC oscillators (RCOSC), of which the jitter is small compared to conventional ring oscillators and achieves an RMS resolution of 0.0565 degrees C. Fabricated at a 28 nm CMOS process, the proposed sensor has a low 3 sigma inaccuracy of -0.62/0.81 degrees C from -40 degrees C to 100 degrees C. It shows an accuracy figure-of-merit (FoM) of 51.9nJ<middle dot>%(2) while occupying a small area of 0.0092 mm(2).

引用

页码：4319 / 4323

页数：5

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