生物阻抗检测芯片设计综述  

Review of bioimpedance detection chip design

作　　者：马思远 刘旭[1] 焦御坤 马何平[2] 万培元[1] 陈志杰 MA Siyuan;LIU Xu;JIAO Yukun;MA Heping;WAN Peiyuan;CHEN Zhijie(School of Information Science and Technology Beijing University of Technology,Beijing 100124,China;Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China)

机构地区：[1]北京工业大学信息科学技术学院,北京100124 [2]中国科学院半导体研究所,北京100083

出　　处：《集成电路与嵌入式系统》2025年第2期64-74,共11页Integrated Circuits and Embedded Systems

基　　金：北京市自然科学基金-怀柔创新联合基金(L245012)。

摘　　要：综述了生物阻抗检测芯片的设计与优化,重点分析了双电极与四电极的适用场景及其在测量精度和便携性上的取舍。此外,针对不同检测需求,详细探讨了ADC法、DAC法、逐次逼近法、半正弦DAC法及基线消除技术的实现原理与特点。研究结果表明,双电极结合高效DAC方法在便携设备中具有显著优势,而四电极配置则适用于高精度阻抗测量场景。本文为生物阻抗检测芯片的设计提供了理论支持,并展望了其在可穿戴医疗设备和动态监测领域的应用前景。This paper reviews the design and optimization of bioimpedance detection chips,focusing on the applicable scenarios of dual-electrode and quad-electrode and their trade-offs in measurement accuracy and portability.According to different detection requirements,the implementation principles and characteristics of ADC method,DAC method,successive approximation method,half-sine DAC method and baseline elimination technology are discussed in detail.Studies have shown that dual-electrode combined with efficient DAC method has significant advantages in portable devices,while the four-electrode configuration is suitable for high-precision impedance measurement scenarios.This paper provides theoretical support for the design of bioimpedance detection chips and looks forward to its application prospects in wearable medical devices and dynamic monitoring.

关 键 词：生物阻抗检测 阻抗检测原理 ADC DAC 

分 类 号：TP872[自动化与计算机技术—检测技术与自动化装置]