31.3 A 0.14mm216MHz CMOS RC Frequency Reference with a 1-Point Trimmed Inaccuracy of ±400ppm from -45°C to 85°C

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Abstract

Recently, rapid strides have been made in improving the accuracy of RC-based frequency references [1 -3]. Inaccuracies better than \pm 500ppm from -45^{\circ}C to 85^{\circ}C have been achieved, but typically at the expense of a costly and time-consuming 2-point trim to compensate for RC spread and temperature dependence. This paper describes a 16MHz RC-based frequency reference that achieves \pm 400ppm inaccuracy over the industrial temperature range with a single room-temperature (RT) trim. The prototype draws 88\muA from a1.8V supply and occupies 0.14mm^{2}, which represents a 2\times improvement in both power and area compared to the state of the art [2].

Original languageEnglish
Title of host publication2021 IEEE International Solid-State Circuits Conference, ISSCC 2021 - Digest of Technical Papers
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages436-438
Number of pages3
ISBN (Electronic)9781728195490
DOIs
Publication statusPublished - 2021
Event2021 IEEE International Solid-State Circuits Conference, ISSCC 2021 - San Francisco, United States
Duration: 13 Feb 202122 Feb 2021

Publication series

NameDigest of Technical Papers - IEEE International Solid-State Circuits Conference
Volume64
ISSN (Print)0193-6530

Conference

Conference2021 IEEE International Solid-State Circuits Conference, ISSCC 2021
Country/TerritoryUnited States
CitySan Francisco
Period13/02/2122/02/21

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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