A dynamic offset control technique for comparator design in scaled CMOS technology

Xiaolei Zhu, Yanfei Chen, Masaya Kibune, Yasumoto Tomita, Takayuki Hamada, Hirotaka Tamura, Sanroku Tsukamoto, Tadahiro Kuroda

    Research output: Contribution to journalConference articlepeer-review

    12 Citations (Scopus)

    Abstract

    A principle of charge compensation approach for comparator offset control is analyzed. A dynamic offset control technique that employs charge compensation by timing control is proposed for comparator design in scaled CMOS technology. The analysis has been verified by fabricating a 65 nm CMOS 1.2 V 1 GHz comparator that occupies 25 × 65 μm2 and consumes 380 μW. Circuits for offset control occupies 21% of the areas and 12% of the power consumption of the whole comparator chip.

    Original languageEnglish
    Article number4672130
    Pages (from-to)495-498
    Number of pages4
    JournalProceedings of the Custom Integrated Circuits Conference
    DOIs
    Publication statusPublished - 2008
    EventIEEE 2008 Custom Integrated Circuits Conference, CICC 2008 - San Jose, CA, United States
    Duration: 2008 Sep 212008 Sep 24

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

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