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首页> 外文期刊>IEEE sensors journal >An Integrated Circuit Solution to Johnson Noise Thermometry Using Low-Cost and Fast CMOS Technology
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An Integrated Circuit Solution to Johnson Noise Thermometry Using Low-Cost and Fast CMOS Technology

机译：利用低成本和快速CMOS技术的Johnson噪声测温的集成电路解决方案

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摘要

An integrated circuit solution to Johnson noise thermometry (ICJNT) using a low-cost and fast complementary metal-oxide-semiconductor (CMOS) technology is investigated in this paper. Benefits from both noise thermometry and integrated circuits (ICs) can he maintained in ICJNTs, which cost significantly less, work orders of magnitude faster than discretedevice JNTs, and can be applied to various applications. As a first attempt at an ICJNT, this paper presents the relevant analysis and design techniques, demonstrates the potential benefits of ICJNTs, and discusses the challenges unique to integrated circuit solutions. A prototype IC chip is fabricated using the 0.13-mu m CMOS technology with fully on-chip circuits, including sensing resistors, a pre-amplifier, and a flash analog-to-digital converter. To demonstrate the efficacy, a test PCB for the ICJNT was developed and measured in a standard industrial thermal chamber with a laboratory grade platinum resistance thermometer as a comparison reference. The test results show that this first ICJNT prototype is able to provide temperature measurement from 0 degrees C to 70 degrees C. The maximum deviation with two-point calibration is 1.2 degrees C at a measurement of 40 degrees C due to systematic error, and the standard deviation is approximately 2 degrees C. The measurement time is only 10 ms due to the fast IC technology. These results established the feasibility of the ICJNT concept. Since the ICJNT is a complete solution without discrete devices and the sensing resistors are not limited to specific IC materials, the ICJNT can be applied to various emerging applications, such as electric vehicles and microelectromechanical systems.
机译：本文研究了一种使用低成本，快速互补金属氧化物半导体（CMOS）技术的约翰逊噪声测温（ICJNT）集成电路解决方案。噪声测温法和集成电路（IC）都可以在ICJNT中保持优势，与分立器件JNT相比，其成本更低，工作量级更快，并且可以应用于各种应用。作为ICJNT的首次尝试，本文介绍了相关的分析和设计技术，展示了ICJNT的潜在优势，并讨论了集成电路解决方案特有的挑战。使用0.13微米CMOS技术制造的原型IC芯片具有完整的片上电路，包括感测电阻器，前置放大器和闪存模数转换器。为了证明其有效性，开发了用于ICJNT的测试PCB，并在标准工业热室中进行了测量，并以实验室级的铂电阻温度计作为比较参考。测试结果表明，第一个ICJNT原型能够提供从0摄氏度到70摄氏度的温度测量。由于系统误差，两点校准的最大偏差在40摄氏度时为1.2摄氏度。标准偏差约为2摄氏度。由于快速的IC技术，测量时间仅为10毫秒。这些结果证明了ICJNT概念的可行性。由于ICJNT是没有分立器件的完整解决方案，并且感应电阻器不限于特定的IC材料，因此ICJNT可以应用于各种新兴应用，例如电动汽车和微机电系统。

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