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High performance CMOS comparator for analogue-digital convertors

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2 Author(s)
Leme, C.A. ; Inst. Superior Tecnico, Lisboa, Portugal ; Franca, J.E.

A high performance auto-zeroing and auto-resetting CMOS comparator is presented which possesses a fast recovery time from saturation. Experimental results indicate such a comparator resolves 20 mu V in less than 0.5 mu s, thus making it suitable for high resolution analogue-to-digital convertors with conversion speed up to 100 kilosamples per second.

Published in:

Electronics Letters  (Volume:26 ,  Issue: 20 )