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Subject: search.filters.subject.Analog-to-digital converter

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    Item type:Publication,
    Low-power current-mode logarithmic pipeline analog-to-digital converter for ISFET based pH sensor
    (2009-12-01)
    Sirimasakul, S.
    ;
    Thanachayanont, A.
    ;
    Jeamsaksiri, W.
    This paper describes the design and realization of a low power current-mode logarithmic pipeline analog-to-digital converter in 0.35μm CMOS technology. The ADC is intended for conversion of sub-microampere analog output current of an ISFET based pH sensor. Subthreshold MOSFETs and the Translinear principle are exploited to achieve simple and low-power ADC realization. The ADC was simulated with a 1-V power supply voltage and dissipated 3.3 μW static power at 1-kHz clock frequency. ©2009 IEEE.