A mismatch insensitive CMOS dynamic comparator for pipeline A/D converters
L Sumanen, M Waltari… - ICECS 2000. 7th IEEE …, 2000 - ieeexplore.ieee.org
A new fully differential CMOS dynamic comparator topology suitable for pipeline A/D
converters with a low stage resolution is proposed. A thorough analysis of its function and a
comparison to a widely used dynamic comparator are given in this paper. The proposed
topology, based on two cross coupled differential pairs and switchable current sources, has
a small power and area dissipation and it is shown to be very robust against transistor
mismatch.
converters with a low stage resolution is proposed. A thorough analysis of its function and a
comparison to a widely used dynamic comparator are given in this paper. The proposed
topology, based on two cross coupled differential pairs and switchable current sources, has
a small power and area dissipation and it is shown to be very robust against transistor
mismatch.
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