{"id":222047,"date":"2011-07-12T22:00:00","date_gmt":"2011-07-12T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-temperature-tension-pour-la-mesure-de-la-temperature-de-diodes-deportees\/"},"modified":"2011-07-12T22:00:00","modified_gmt":"2011-07-12T22:00:00","slug":"convertisseur-temperature-tension-pour-la-mesure-de-la-temperature-de-diodes-deportees","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-temperature-tension-pour-la-mesure-de-la-temperature-de-diodes-deportees\/","title":{"rendered":"Convertisseur temp\u00e9rature-tension pour la mesure de la temp\u00e9rature de diodes d\u00e9port\u00e9es"},"content":{"rendered":"<p>Le LTC2997 est une solution de gestion de la temp&eacute;rature, simple, qui mesure la temp&eacute;rature d&rsquo;une diode d&eacute;port&eacute;e, avec une pr&eacute;cision de &plusmn; 1&deg;C ou une temp&eacute;rature locale avec une pr&eacute;cision de &plusmn; 1,5&deg;C, et qui g&eacute;n&egrave;re une tension proportionnelle &agrave; la temp&eacute;rature absolue. Le LTC2997 procure une solution pr&eacute;cise de gestion de la temp&eacute;rature, de tr&egrave;s faible puissance, et &eacute;conome d&rsquo;espace.<\/p>\n<p>La simplicit&eacute;, la pr&eacute;cision et la tr&egrave;s faible consommation du LTC2997 s&rsquo;adressent &agrave; une grande vari&eacute;t&eacute; d&rsquo;applications incluant le contr&ocirc;le thermique d&rsquo;un syst&egrave;me, l&rsquo;&eacute;conomie d&rsquo;&eacute;nergie, les ordinateurs de bureau et portables, les serveurs de r&eacute;seaux et la gestion environnementale. Deux entr&eacute;es de d&eacute;tection de courant peuvent &ecirc;tre configur&eacute;es pour mesurer soit une temp&eacute;rature locale soit une temp&eacute;rature d&eacute;port&eacute;e. Un algorithme int&eacute;gr&eacute; annule les erreurs dues &agrave; la r&eacute;sistance d&eacute;tectrice s&eacute;rie lors de la mesure des tensions d&rsquo;une diode ou d&rsquo;un transistor. Une r&eacute;f&eacute;rence de tension de sortie de 1,8 V est &eacute;galement disponible, &agrave; partager avec un CAN externe ou pour g&eacute;n&eacute;rer des tensions de seuil de temp&eacute;rature &agrave; comparer &agrave; la sortie VPTAT.<br \/>\nLe LTC2997 est pr&eacute;sent&eacute; en versions commerciales, industrielles et pour l&rsquo;automobile, pour fonctionner dans les gammes de temp&eacute;ratures de 0&deg;C &agrave; 70&deg;C,&nbsp; &#8211; 40&deg;C &agrave; 85&deg;C et &ndash; 40&deg;C &agrave; 125&deg;C, respectivement. Le LTC2997 est disponible, aujourd&rsquo;hui, en un petit bo&icirc;tier DFN de 6&nbsp;broches, 2 mm x 3 mm, conforme &agrave; la norme RoHS. <\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTC2997\">www.linear.com\/product\/LTC2997<\/a><\/p>\n<p><strong>&nbsp;<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology pr\u00e9sente le LTC2997, un convertisseur temp\u00e9rature- tension, de grande pr\u00e9cision, int\u00e9grant une r\u00e9sistance s\u00e9rie d&rsquo;annulation d&rsquo;erreur, pour les syst\u00e8mes aliment\u00e9s sur des tensions de 2,5 V \u00e0 5,5 V. Aujourd&rsquo;hui, beaucoup de syst\u00e8mes \u00e0 basse tension se basent sur la temp\u00e9rature pour estimer la sant\u00e9 et la fiabilit\u00e9 des syst\u00e8mes.\u00a0 Les architectures traditionnelles n\u00e9cessitent une s\u00e9rie de filtres, une r\u00e9f\u00e9rence de tension pr\u00e9cise et une source de courant, il en r\u00e9sulte un sch\u00e9ma de conversion complexe, sujet \u00e0 des impr\u00e9cisions s&rsquo;il n&rsquo;est pas con\u00e7u avec soin.<\/p>\n","protected":false},"author":22,"featured_media":222048,"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-222047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur temp\u00e9rature-tension pour la mesure de la temp\u00e9r...<\/title>\n<meta name=\"description\" content=\"Linear Technology pr\u00e9sente le LTC2997, un convertisseur temp\u00e9rature- tension, de grande pr\u00e9cision, int\u00e9grant une r\u00e9sistance s\u00e9rie d&#039;annulation...\" \/>\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\/222047\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur temp\u00e9rature-tension pour la mesure de la temp\u00e9rature de diodes d\u00e9port\u00e9es\" \/>\n<meta property=\"og:description\" content=\"Linear Technology pr\u00e9sente le LTC2997, un convertisseur temp\u00e9rature- tension, de grande pr\u00e9cision, int\u00e9grant une r\u00e9sistance s\u00e9rie d&#039;annulation d&#039;erreur, pour les syst\u00e8mes aliment\u00e9s sur des tensions de 2,5 V \u00e0 5,5 V. 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