Interface with Opamp output-impedance calibration technique for a large integrated 2-D resistive sensor array

Yohsuke Shiiki, Hiroki Ishikuro

    研究成果: Conference contribution

    1 引用 (Scopus)

    抜粋

    In this paper, a noble gas sensing system using a large scale integrated resistive sensor array and its interface system is introduced. Accuracy improvement, compared to conventional techniques, was achieved using our proposed opamp output impedance calibration technique. This technique makes it possible to use a low power, weak drivability opamp in the interface circuit. This paper shows the calibration method which reduces the sneak path current error from 83.6% to 1.2% through MATLAB simulations. A prototype system with 1,024 gas sensors integrated in one chip, discrete ICs of opamp, ADCs, and an FPGA was developed, and the effectiveness of the system is demonstrated.

    元の言語English
    ホスト出版物のタイトル2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings
    出版者Institute of Electrical and Electronics Engineers Inc.
    ISBN(電子版)9781728103976
    DOI
    出版物ステータスPublished - 2019 1 1
    イベント2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Sapporo, Japan
    継続期間: 2019 5 262019 5 29

    出版物シリーズ

    名前Proceedings - IEEE International Symposium on Circuits and Systems
    2019-May
    ISSN(印刷物)0271-4310

    Conference

    Conference2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019
    Japan
    Sapporo
    期間19/5/2619/5/29

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

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  • これを引用

    Shiiki, Y., & Ishikuro, H. (2019). Interface with Opamp output-impedance calibration technique for a large integrated 2-D resistive sensor array. : 2019 IEEE International Symposium on Circuits and Systems, ISCAS 2019 - Proceedings [8702594] (Proceedings - IEEE International Symposium on Circuits and Systems; 巻数 2019-May). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISCAS.2019.8702594