{"id":230216,"date":"2014-06-10T22:00:00","date_gmt":"2014-06-10T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/modem-cmos-hart-tres-integre-et-faible-consommation\/"},"modified":"2014-06-10T22:00:00","modified_gmt":"2014-06-10T22:00:00","slug":"modem-cmos-hart-tres-integre-et-faible-consommation","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/modem-cmos-hart-tres-integre-et-faible-consommation\/","title":{"rendered":"Modem CMOS HART tr\u00e8s int\u00e9gr\u00e9 et faible consommation"},"content":{"rendered":"<p>Dispositif CMOS monopuce, ce modem supporte des fr&eacute;quences de d&eacute;calage Bell 202 entre 1200 Hz et 2200 Hz et peut fournir un d&eacute;bit de donn&eacute;es de 1200 bits\/s en half-duplex. Dot&eacute; d&rsquo;un amplificateur int&eacute;gr&eacute;, d&rsquo;un CNA Sigma-Delta 17 bits et d&rsquo;un m&eacute;canisme de chien-de-garde extr&ecirc;mement sensible, il offre aux concepteurs une solution HART tr&egrave;s sophistiqu&eacute;e, &agrave; la fois &eacute;conomique et de faible encombrement. Sa plage de tension s&rsquo;&eacute;tend de 3 V &agrave; 5.5 V pour une consommation de 190 &micro;A en mode veille avec l&rsquo;horloge syst&egrave;me active ou de 76 &micro;A sans horloge. Afin de maintenir la consommation &eacute;lectrique &agrave; un niveau minimum, le circuit de r&eacute;ception est d&eacute;sactiv&eacute; pendant les phases de transmission et, de la m&ecirc;me fa&ccedil;on, le circuit de transmission est d&eacute;sactiv&eacute; pendant les phases de r&eacute;ception.<br \/>\nCe composant a une plage de temp&eacute;rature op&eacute;rationnelle allant de -40 &deg;C &agrave; +85 &deg;C, ce qui autorise son d&eacute;ploiement en milieu industriel. Il est propos&eacute; en bo&icirc;tier compact QFN 32 broches, garanti sans plomb. Gr&acirc;ce &agrave; son niveau d&rsquo;int&eacute;gration &eacute;lev&eacute;, seul un petit nombre de composants externes est n&eacute;cessaire. Incluant tous ces composants externes, la carte d&rsquo;&eacute;valuation NCN5193GEVB facilite le d&eacute;veloppement de projets HART utilisant ce circuit.<br \/>\n&quot;Nous sommes ravis d&rsquo;&ecirc;tre devenus membre de la fondation HART, et nous pensons &ecirc;tre bien plac&eacute;s pour contribuer &agrave; l&rsquo;&eacute;cosyst&egrave;me qui se d&eacute;veloppe autour de la norme HART,&quot; d&eacute;clare Ryan Cameron, Vice-Pr&eacute;sident Produits industriels et de synchronisation, chez ON Semiconductor. &quot;Le NCN5193 traduit bien la poursuite de notre engagement &agrave; d&eacute;velopper des dispositifs ma&icirc;tre et esclave de nouvelle g&eacute;n&eacute;ration, qui permettront de populariser les communications HART &agrave; l&rsquo;avenir. Le NCN5193 assure des performances fiables, dans un domaine ou les interruptions de transmission peuvent avoir des cons&eacute;quences financi&egrave;res, et donner lieu &agrave; des p&eacute;nalit&eacute;s pour pertes d&rsquo;exploitation.&quot; <\/p>\n<\/p>\n<p><a href=\"http:\/\/www.onsemi.com\" target=\"_blank\" title=\"www.onsemi.com\" rel=\"noopener\">www.onsemi.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9cemment devenu membre de la fondation HART, ON Semiconductor vient d&rsquo;\u00e9tendre sa famille de modems destin\u00e9s aux syst\u00e8mes de communications industrielles HART avec le lancement du modem basse consommation NCN5193. Ce circuit est 100% conforme aux sp\u00e9cifications de couche physique de la norme HART, tout en ne n\u00e9cessitant qu&rsquo;un nombre minimal de composants suppl\u00e9mentaires.<\/p>\n","protected":false},"author":22,"featured_media":230217,"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-230216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Modem CMOS HART tr\u00e8s int\u00e9gr\u00e9 et faible consommation ...<\/title>\n<meta name=\"description\" content=\"R\u00e9cemment devenu membre de la fondation HART, ON Semiconductor vient d&#039;\u00e9tendre sa famille de modems destin\u00e9s aux syst\u00e8mes de communications industrielles...\" \/>\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\/230216\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Modem CMOS HART tr\u00e8s int\u00e9gr\u00e9 et faible consommation\" \/>\n<meta property=\"og:description\" content=\"R\u00e9cemment devenu membre de la fondation HART, ON Semiconductor vient d&#039;\u00e9tendre sa famille de modems destin\u00e9s aux syst\u00e8mes de communications industrielles HART avec le lancement du modem basse consommation NCN5193. 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