高性能、低功耗 CMOS 温度传感器

IF 0.5 Q4 ENGINEERING, MULTIDISCIPLINARY

Journal of Computational Methods in Sciences and Engineering Pub Date : 2023-12-15 DOI:10.3233/jcm-237012

Hua Peng

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引用次数: 0

摘要

本文提出了一种基于温度可变振荡器和线性控制振荡器组合的温度传感器，它可以通过频率随温度变化的特性实现温度检测。变化的频率由两个振荡器产生，通过调节频率的线性变化，传感器的线性度也得到了提高。通过频率数字转换器，可以输出数字信号。通过过程补偿器进行补偿，可提高单点校正后传感器的精度。在对 15 个实验样品进行测试后，在 0 至 125∘C 的温度范围内，精度达到了 ± 1.2∘C，显示了非常高的精度水平。

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High performance low power CMOS temperature sensor

A temperature sensor based on the combination of a temperature variable oscillator and a linear controlled oscillator is proposed, which can realize temperature detection through the characteristic of frequency changing with temperature. The changing frequency is generated by the two oscillators, and by adjusting the frequency linear change, the linearity of the sensor is also increased. Through the frequency digitizer, the digital signal can be output. Compensation through a process compensator improves the accuracy of the sensor after a single point correction. After conducting tests on 15 experimental samples, the accuracy was achieved within ± 1.2∘C across the temperature range of 0 to 125∘C, demonstrating a highly favorable level of precision.

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来源期刊

Journal of Computational Methods in Sciences and Engineering ENGINEERING, MULTIDISCIPLINARY-

CiteScore

0.80

自引率

0.00%

发文量

152

期刊介绍： The major goal of the Journal of Computational Methods in Sciences and Engineering (JCMSE) is the publication of new research results on computational methods in sciences and engineering. Common experience had taught us that computational methods originally developed in a given basic science, e.g. physics, can be of paramount importance to other neighboring sciences, e.g. chemistry, as well as to engineering or technology and, in turn, to society as a whole. This undoubtedly beneficial practice of interdisciplinary interactions will be continuously and systematically encouraged by the JCMSE.