Rail-to-Rail Dynamic Voltage Comparator Scalable down to pW-Range Power and 0.15-V Supply

2021 ◽  
pp. 1-1 ◽  
Author(s):  
Orazio Aiello ◽  
Paolo Crovetti ◽  
Pedro Toledo ◽  
Massimo Alioto
Keyword(s):  
Voltage Comparator ◽  
Rail To Rail ◽  
Dynamic Voltage

Design Techniques for Ultra-Low Voltage Comparator Circuits

2014 ◽  
Vol 24 (01) ◽  
pp. 1550013 ◽  
Author(s):  
Yao Wang ◽  
Haibo Wang ◽  
Guangjun Wen
Keyword(s):  
Low Voltage ◽  
Subthreshold Region ◽  
Voltage Comparator ◽  
Low Voltage Operation ◽  
Analytical Results ◽  
Rail To Rail ◽  
Design Techniques

This paper presents a novel low-voltage rail-to-rail comparator circuit and derives optimal transistor size ratios for both conventional latch-based and the proposed comparators which operate in transistor subthreshold region. The obtained analytical results serve well as guidelines for designing low-voltage comparators and the proposed circuit is significantly faster than existing rail-to-rail comparator designs in ultra-low voltage operation.

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