Review of bioimpedance detection chip design

MA Siyuan, LIU Xu, JIAO Yukun, MA Heping, WAN Peiyuan, CHEN Zhijie

Integrated Circuits and Embedded Systems ›› 2025, Vol. 25 ›› Issue (2) : 64-74.

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Integrated Circuits and Embedded Systems ›› 2025, Vol. 25 ›› Issue (2) : 64-74. DOI: 10.20193/j.ices2097-4191.2024.0077
Special Topic of Biomedical Chips and Svstems

Review of bioimpedance detection chip design

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Abstract

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.

Key words

bioimpedance detection / impedance detection principle / ADC / DAC

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MA Siyuan , LIU Xu , JIAO Yukun , et al . Review of bioimpedance detection chip design[J]. Integrated Circuits and Embedded Systems. 2025, 25(2): 64-74 https://doi.org/10.20193/j.ices2097-4191.2024.0077

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