Performance of Power Consumption Using Double-Tail Comparator

Provided by: Applications of Engineering Technology and Science (AETS)
Topic: Hardware
Format: PDF
The need for ultra-low power, area efficient and high speed analog-to-digital converters is pushing toward the use of dynamic regenerative comparators to maximize speed and power efficiency. In this paper, an analysis on the delay of the dynamic comparators will be presented. From the analysis, designers can obtain an intuition about the main contributors to the comparator delay and fully explore the tradeoffs in dynamic comparator design. Based on the presented analysis, a new dynamic comparator is proposed, where the circuit of a conventional double tail comparator is modified for low-power and fast operation even in small supply voltages.

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