Bootstrapped Low-Voltage Analog Switches

Jesper Steensgaard-Madsen

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    Novel low-voltage constant-impedance analog switch circuits are proposed. The switch element is a single MOSFET, and constant-impedance operation is obtained using simple circuits to adjust the gate and bulk voltages relative to the switched signal. Low-voltage (1-volt) operation is made feasible by employing a feedback loop. The gate oxide will not be subject to voltages exceeding the supply voltage difference.Realistic switches have been simulated with HSPICE. The simulations show that the switch circuits operate very well, even when the supply voltage approaches the technology's threshold voltage.
    Original languageEnglish
    Title of host publicationProc. IEEE International Symposium on Circuits and Systems, vol. 2
    Place of PublicationPiscataway
    Publication date1999
    ISBN (Print)0-7803-5471-0
    Publication statusPublished - 1999
    Event1999 IEEE International Symposium on Circuits and Systems - Orlando, FL, United States
    Duration: 30 May 19992 Jun 1999


    Conference1999 IEEE International Symposium on Circuits and Systems
    Country/TerritoryUnited States
    CityOrlando, FL
    Internet address

    Bibliographical note

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