کنفرانس مهندسی برق ایران

صفحه اصلی / بیست و نهمین کنفرانس مهندسی برق ایران

Kickback noise reduction and offset cancellation technique for dynamic latch comparator

نویسندگان :

Mansoure Yousefirad¹ Mohammad Yavari²

1- امیرکبیر 2- صنعتی امیر

کلمات کلیدی :

Dynamic latch comparator, kickback noise, comparator offset, offset calibration

چکیده :

In this work, a novel kickback noise reduction technique is represented. This method aims to reduce both common-mode and differential-mode components of kickback noise in the dynamic latch comparator. This method reduces maximum kickback noise current by more than %68. Also, we use a body voltage trimming calibration scheme to reduce offset from 13.2 mV to ~ 0.3 mV efficiently. This dynamic comparator is simulated in 0.18 µm CMOS technology, which consumes 2.86 µW in each comparison cycle. So it is appropriate for low-power applications.

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