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A Fixed Window Level Crossing ADC with Activity Dependent Power Dissipation

Lookup NU author(s): Austin Ogweno, Professor Patrick Degenaar, Dr Victor Khomenko, Professor Alex Yakovlev


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This paper proposes a 10 bit fixed window asynchronous Level Crossing ADC that exhibits a power consumption profile proportional to its input signal's rate of change. The ADC utilizes a fixed voltage window, level crossing slope detector to trigger the generation of non uniformly spaced samples that are compared to a ramp voltage for the conversion. The circuit was designed and simulated in a 0.35 mu m technology process, achieving a peakENOB of 8.29 while consuming 30 mu W across a bandwidth of 100Hz-20kHz.

Publication metadata

Author(s): Ogweno A, Degenaar P, Khomenko V, Yakovlev A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2016 14th IEEE International New Circuits and Systems Conference (NEWCAS)

Year of Conference: 2016

Online publication date: 24/10/2016

Acceptance date: 02/04/2016

Publisher: IEEE


DOI: 10.1109/NEWCAS.2016.7604815

Library holdings: Search Newcastle University Library for this item

ISBN: 9781467389013