Volume 33 Issue 2
Mar.  2024
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Kunyu WANG, Wenjing XU, Chengbin ZHANG, et al., “A Multi-Channel CMOS Analog Front-End Interface IC with 157.8 dB Current Detection Dynamic Range,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 393–402, 2024 doi: 10.23919/cje.2022.00.137
Citation: Kunyu WANG, Wenjing XU, Chengbin ZHANG, et al., “A Multi-Channel CMOS Analog Front-End Interface IC with 157.8 dB Current Detection Dynamic Range,” Chinese Journal of Electronics, vol. 33, no. 2, pp. 393–402, 2024 doi: 10.23919/cje.2022.00.137

A Multi-Channel CMOS Analog Front-End Interface IC with 157.8 dB Current Detection Dynamic Range

doi: 10.23919/cje.2022.00.137
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  • Author Bio:

    Kunyu WANG received the B.S. degree in microelectronic engineering from Sichuan University in 2016. He is currently working toward the Ph.D. degree in the Institute of microelectronics, Chinese Academy of Sciences of Microelectronic Engineering, University of Chinese Academy of Science (UCAS), Beijing, China. His research interests include analog and mix-signal circuits design. (Email: wangkunyu@ime.ac.cn)

    Wenjing XU received the B.E. and M.E. degrees from Tianjin University, China, in 2010 and 2013, respectively. She is an research assistant in the Institute of Microelectronics of Chinese Academy of Science (IMECAS). Her research interests include CMOS image sensor and analog circuits design. (Email: xuwenjing@ime.ac.cn)

    Chengbin ZHANG was born in Sichuan Proince, China, in 1989. He received the B.E. and M.E. degrees from Hunan University, Changsha, China, in 2011 and 2014, respectively. He is currently pursuing the Ph.D. degree in circuits and systems at School of Microelectronics, University of Chinese Academy of Science (UCAS), Beijing, China. He was an research assistant in the Institute of Microelectronics of Chinese Academy of Sciences (IMECAS) in 2017. His research interests include analog and mix-signal circuits design. (Email: zhangchengbin@ime.ac.cn)

    Yanjun YANG was born in Hunan Province, China, in 1986. He received the B.E. and Ph.D. degrees form Hunan University, Changsha, China, in 2009 and 2016, respectively. He is currently a Lecturer in Zunyi Normal College. His research interests include sensor interface circuits, ADC, LDO, reference, OSC. (Email: leo_yang@hnu.edu.cn)

    Man-Kay LAW received the B.S. degree in computer engineering at Hong Kong University of Science and Technology (2006). He received the Ph.D. degree in electronic and computer engineering, Hong Kong University of Science and Technology (2011). He worked as a Visiting Assistant Professor, Dept. of ECE, in Hong Kong University of Science and Technology from Feb. 2011 to Aug. 2011. He worked as an Assistant Professor, State Key Laboratory of Analog and Mixed Signal VLSI, and Dept. of ECE, FST, in University of Macau from Aug. 2011 to Aug. 2017. He is now an Associate Professor, State Key Laboratory of Analog and Mixed Signal VLSI, Institute of Microelectronics and Dept. of ECE, FST, in University of Macau from Aug. 2017 to present. His current research interests include CMOS smart temperature sensors, CMOS image sensors, integrated wireless sensing and biomedical systems, ultra-low power analog design techniques, and energy harvesting techniques. (Email: MKLaw@um.edu.mo)

    Li ZHOU was born in 1977. She received the M.E. degree from School of Information Systems, the University of Electro-Communications (UEC), Tokyo, Japan. She has been an Associate Professor in the Institute of Microelectronics of Chinese Academy of Sciences (IMECAS) since April 2005. From April 2003 to March 2005, she was a System Engineer at Information and Communications System Design, Information and Communications Group, Hitachi Co. Ltd, Tokyo, Japan. Her research work is focused on multimedia signal processing, analog and mixed-signal VLSI for WSN applications. She is author or co-author of more than 20 journal and conference papers. (Email: zhouli@ime.ac.cn)

    Jie CHEN was born in Hubei Province, China, in 1963. He received the B.E. degree from the Harbin Engineering University, Harbin, China in 1986, and the M.E. and Ph.D. degrees from the University of Electro-Communications (UEC), Tokyo, Japan in 1991 and 1994, respectively. He was a Research Associate in UEC in 1994 and was a Research Project Leader in Advanced IC Development Center, Yozan Inc., Tokyo, Japan from 1995 to 1997. He worked as an Associate Professor in the Network System Laboratory, the Graduate School of Information Systems, UEC, during 1998 to 2001. In 2001, he was selected as a scientist of “100 talents Program” by Chinese Academy of Sciences (CAS). He is now a Director Professor of the Institute of Analog Integrated Circuits and Signal Processing Microelectronics, CAS and a Professor of the Graduate School of CAS. His current research interests include SOC design for software-defined-radio (SDR), digital communications (CDMA and OFDM) and Data Compression. Dr. Chen is a valued member of IEEE. (Email: jchen@ime.ac.cn)

    Ming CHEN was born in Hubei Province, China, in 1985. He received the B.S. degree from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2008, and the M.E. and Ph.D. degrees from Peking University, University of Chinese Academy of Sciences, Beijing, China, in 2011 and 2017, respectively. He was an research assistant in Institute of Microelectronics of Chinese Academy of Sciences in 2011. His research interests include analog and RF integrated circuits design, such as ADC, PGA and oscillator, etc. (Email: chenming1@ime.ac.cn)

  • Corresponding author: Email: chenming1@ime.ac.cn
  • Received Date: 2022-05-26
  • Accepted Date: 2023-02-14
  • Available Online: 2023-08-21
  • Publish Date: 2024-03-05
  • A high dynamic range and low-noise CMOS (complementary metal-oxide-semiconductor transistor) front-end interface integrated circuit (IC) with multi-channel detection is presented in this paper. Two different current detection channels, composed of a trans-impedance amplifier (TIA) and an integrator-differentiator TIA, are used to boost the current detection range. A capacitance-coupled instrument amplifier (CCIA) is also included to realize high precision voltage detection. A fourth-order sigma-delta modulator using a second-order loop filter and a second-order noise shaping integral quantizer is adopted to realize effective number of bits above 16 bits. The presented interface IC is implemented in 0.18-μm CMOS process with supply voltage of 3.3 V, and a proto-type electrochemical sensor platform with miniaturized sensor array is developed to verify the functionality of the interface IC. Measurement results indicate that the designed interface IC achieves 157.8 dB current detection dynamic range, and the measured input-referred current noise and voltage noise floor are 1.04 pA and 58.4 nV within 10 kHz integration bandwidths, respectively.
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