Design of Double Tail Comparator for Low Power Application

Provided by: Creative Commons
Topic: Hardware
Format: PDF
Dynamic regenerative comparators are need for ultralow power is efficient and high speed analog to digital converters. An analysis on the delay of dynamic comparators will be presented and analytical expressions are derived. The conventional double tail comparator is modified based on the presented analysis and the new dynamic comparator is proposed for low power and fast operation even in small supply voltage. Without complicating the design and by adding few more switching transistors a new comparator is designed by using the power gating technique.

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