dc.creatorDias, JAS
dc.creatordo Amaral, WA
dc.creatorde Moraes, WB
dc.date2009
dc.dateDEC
dc.date2014-11-19T10:39:10Z
dc.date2015-11-26T18:02:23Z
dc.date2014-11-19T10:39:10Z
dc.date2015-11-26T18:02:23Z
dc.date.accessioned2018-03-29T00:44:04Z
dc.date.available2018-03-29T00:44:04Z
dc.identifierMicroelectronics Journal. Elsevier Sci Ltd, v. 40, n. 12, n. 1772, n. 1778, 2009.
dc.identifier0026-2692
dc.identifierWOS:000273105300013
dc.identifier10.1016/j.mejo.2009.10.001
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/53095
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/53095
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/53095
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1292221
dc.descriptionA novel technique for the design of very low temperature coefficient (TC) voltage references in a CMOS standard process is presented. The proposed circuit uses an all CMOS technique to generate a low TC voltage reference over a wide temperature range. A self-biased V-th (threshold voltage) generator circuit creates a voltage equal to the V-th of a CMOS transistor; this voltage is used to generate a current proportional to V-th(2), that, when forced into another transistor, creates a voltage which presents a negative non-linear temperature coefficient. A voltage with a positive TC, which can be controlled by the aspect ratio of a pair of transistors, is generated by a current mirror asymmetrically degenerated with a high-poly resistor. A curvature correction, provided by a current proportional to V-th(2), is used to modify the thermal behaviour of this positive TC voltage. By adding the positive and negative TCs voltages, a very stable reference voltage can be obtained. The circuit was designed to be implemented in a standard CMOS process (AMS 0.35 mu m), and simulated results indicate that a variation of only 2.5 ppm/degrees C is expected over the temperature range of 0-90 degrees C. (C) 2009 Elsevier Ltd. All rights reserved.
dc.description40
dc.description12
dc.description1772
dc.description1778
dc.languageen
dc.publisherElsevier Sci Ltd
dc.publisherOxford
dc.publisherInglaterra
dc.relationMicroelectronics Journal
dc.relationMicroelectron. J.
dc.rightsfechado
dc.rightshttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dc.sourceWeb of Science
dc.subjectCMOS voltage reference
dc.subjectTemperature coefficient
dc.subjectAnalogue circuits
dc.subjectCurvature compensation
dc.titleA curvature-compensated CMOS voltage reference using V-th(2) characteristics
dc.typeArtículos de revistas


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