{"id":234100,"date":"2015-09-02T22:00:00","date_gmt":"2015-09-02T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-pour-thermocouple-simplifiant-la-conception-des-systemes\/"},"modified":"2015-09-02T22:00:00","modified_gmt":"2015-09-02T22:00:00","slug":"convertisseur-pour-thermocouple-simplifiant-la-conception-des-systemes","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-pour-thermocouple-simplifiant-la-conception-des-systemes\/","title":{"rendered":"Convertisseur pour thermocouple simplifiant la conception des syst\u00e8mes"},"content":{"rendered":"<p>Les thermocouples sont largement utilis&eacute;s pour mesurer la temp&eacute;rature par les d&eacute;veloppeurs d&rsquo;applications industrielles, grand public, des secteurs automobile, a&eacute;rospatial et p&eacute;trochimique, et bien d&rsquo;autres. Ce circuit leur offre une solution &quot;plug-and-play&quot; in&eacute;dite pour la cr&eacute;ation de syst&egrave;mes bas&eacute;s sur un thermocouple, car elle permet de se passer de l&rsquo;expertise normalement requise pour une mise en &oelig;uvre &agrave; base de composants discrets, notamment pour le d&eacute;veloppement du firmware ex&eacute;cut&eacute; par le processeur math&eacute;matique int&eacute;gr&eacute; au microcontr&ocirc;leur. Les d&eacute;veloppeurs n&rsquo;ont plus besoin de cr&eacute;er de circuit de mesure de pr&eacute;cision pour mesurer les signaux de l&rsquo;ordre du microvolt issus d&rsquo;un thermocouple, ni de concevoir de circuit de conversion analogique-num&eacute;rique pour r&eacute;aliser des calculs de temp&eacute;rature pr&eacute;cis. Gr&acirc;ce &agrave; la compensation de soudure froide (CSF) int&eacute;gr&eacute;e, le calcul de la temp&eacute;rature de la soudure chaude d&rsquo;un thermocouple ne n&eacute;cessite pas de connaissances pouss&eacute;es en conception thermique pour la mesure pr&eacute;cise de la temp&eacute;rature de la soudure froide, dite &laquo;de r&eacute;f&eacute;rence&raquo;, du thermocouple.<br \/>\nLe circuit inclut &eacute;galement un filtre num&eacute;rique de traitement des donn&eacute;es de temp&eacute;rature qui minimise les effets des fluctuations de temp&eacute;rature, le bruit syst&egrave;me et les interf&eacute;rences &eacute;lectromagn&eacute;tiques. Gr&acirc;ce &agrave; plusieurs modes de repos, la consommation g&eacute;n&eacute;rale du syst&egrave;me est r&eacute;duite, tandis que ses quatre sorties d&rsquo;alerte de temp&eacute;rature, programmables par l&rsquo;utilisateur, r&eacute;duisent la charge du microcontr&ocirc;leur du syst&egrave;me et la taille du code, tout en simplifiant la conception.<br \/>\nEncapsul&eacute; dans un bo&icirc;tier mQFN &agrave; 20 fils de 5 x 5 mm, ce composant permet des &eacute;conomies d&rsquo;espace suppl&eacute;mentaires sur la carte tout en r&eacute;duisant les co&ucirc;ts de fabrication. La carte d&rsquo;&eacute;valuation CI thermocouple ADM00665 associ&eacute;e est &eacute;galement propos&eacute;e pour faciliter le d&eacute;veloppement.<\/p>\n<\/p>\n<p><a title=\"www.microchip.com\/MCP9600\" target=\"_blank\" href=\"http:\/\/www.microchip.com\/MCP9600-Page-063015a\" rel=\"noopener\">www.microchip.com\/MCP9600<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microchip vient d\u2019introduire le MCP9600, actuellement le premier circuit int\u00e9gr\u00e9 de traitement du signal pour thermocouple au monde \u00e0 associer dans une m\u00eame puce, une instrumentation de pr\u00e9cision, un capteur de temp\u00e9rature de pr\u00e9cision, un convertisseur analogique-num\u00e9rique haute r\u00e9solution, ainsi qu\u2019un processeur math\u00e9matique pr\u00e9programm\u00e9 avec un firmware pour supporter un large \u00e9ventail de types de thermocouples standard  K, J, T, N, S, E, B et R. <\/p>\n","protected":false},"author":22,"featured_media":234101,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-234100","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur pour thermocouple simplifiant la conception des s...<\/title>\n<meta name=\"description\" content=\"Microchip vient d\u2019introduire le MCP9600, actuellement le premier circuit int\u00e9gr\u00e9 de traitement du signal pour thermocouple au monde \u00e0 associer dans une...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/234100\/\" \/>\n<meta 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