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A 500 ºC monolithic SiC BJT latched comparator
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.ORCID iD: 0000-0003-3802-7834
KTH, School of Information and Communication Technology (ICT), Integrated Devices and Circuits.ORCID iD: 0000-0001-8108-2631
2016 (English)In: Materials Science Forum, Trans Tech Publications, 2016, Vol. 858, 921-924 p.Conference paper (Refereed)
Abstract [en]

This paper presents a monolithic 4H-SiC BJT latched emitter-coupled logic (ECL) comparator for high temperature analog-to-digital conversion. The comparator consists of a low-gain pre-amplifier, a track and latch stage and an output buffer. For low-speed input signals, the comparator input offset voltage is 3.9 mV at 27 ºC and monotonically increases up to 9.1 mV at 500ºC. The single-ended output swing is 5.5 V at 27 ºC and 3.9 V at 500 ºC. The minimum comparison time is around 1 μs from 27 ºC to 500 ºC. The whole comparator dissipates 464 mW in average over the considered temperature range with a 15 V power supply. It consumes 2.25 × 0.84 mm2 chip area (with the bond pads included).

Place, publisher, year, edition, pages
Trans Tech Publications, 2016. Vol. 858, 921-924 p.
Series
Materials Science Forum, ISSN 0255-5476 ; 858
Keyword [en]
ADC, Bipolar (BJT), Emitter-coupled logic (ECL), High temperature integrated circuit (IC), Latched comparator, Silicon carbide (SiC), Spice Gummel-Poon (SGP)
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-195397DOI: 10.4028/www.scientific.net/MSF.858.921ScopusID: 2-s2.0-84971528829ISBN: 978-303571042-7 OAI: oai:DiVA.org:kth-195397DiVA: diva2:1049010
Conference
16th International Conference on Silicon Carbide and Related Materials, ICSCRM 2015, Sicily, Italy, 4 October 2015 through 9 October 2015
Note

QC 20161123

Available from: 2016-11-23 Created: 2016-11-03 Last updated: 2016-11-23Bibliographically approved

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Tian, YeLanni, LuigiaRusu, AnaZetterling, Carl-Mikael
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CiteExportLink to record
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Citation style
  • apa
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More styles
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