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Method for Minimizing Static Current Consumption of Single Class Nonlinear Input Stages of Micro-power High-Speed Operational Amplifiers

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Emerging Electronics and Automation (E2A 2022)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 1088))

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Abstract

The authors consider circuit design methods for designing class “AB” input differential stages (DSs) with local resistive negative feedback on a common-mode signal, characterized by an increased ratio of the maximum output current of the DS (Iout.max) to the output current in static mode (Iout.0). The DS circuits suggested in the article are designed to operate in micro-power high-speed operational amplifiers (Op-Amps) that use BJTs or CMOSs, as well as in continuous compensation stabilizers in circuits for suppressing output voltage surges and dips. The quality of the DS with a current (high-resistance) output is suggested to be evaluated by the current efficiency factor, which is defined as the ratio of Iout.max to Iout.0. The simulation results of CMOS Op-Amp in XFab with the class “AB” input stage suggested in the article, which provides maximum slew rate of more than 800 V/μs, are presented.

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Acknowledgements

The research has been carried out at the expense of the Grant of the Russian Science Foundation (project No. 22-29-00637).

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Authors and Affiliations

  1. Don State Technical University, Sq. Gagarin 1, 344000, Rostov-On-Don, Russia

    Vladislav Chumakov, Nikolay Prokopenko, Anna Bugakova & Dmitriy Kleimenkin

Authors
  1. Vladislav Chumakov
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  2. Nikolay Prokopenko
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  3. Anna Bugakova
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  4. Dmitriy Kleimenkin
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Corresponding author

Correspondence to Anna Bugakova .

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Editors and Affiliations

  1. Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland

    Moncef Gabbouj

  2. Division of Green Electronics, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, Kitakyushu, Japan

    Shyam Sudhir Pandey

  3. Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore

    Hari Krishna Garg

  4. Department of EIE, National Institute of Technology (NIT) Silchar, Silchar, Assam, India

    Ranjay Hazra

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© 2024 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Chumakov, V., Prokopenko, N., Bugakova, A., Kleimenkin, D. (2024). Method for Minimizing Static Current Consumption of Single Class Nonlinear Input Stages of Micro-power High-Speed Operational Amplifiers. In: Gabbouj, M., Pandey, S.S., Garg, H.K., Hazra, R. (eds) Emerging Electronics and Automation. E2A 2022. Lecture Notes in Electrical Engineering, vol 1088. Springer, Singapore. https://doi.org/10.1007/978-981-99-6855-8_34

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