{"id":222347,"date":"2011-08-30T22:00:00","date_gmt":"2011-08-30T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/cna-16-bits-a-fil-unique-pour-boucles-de-courant-4-a-20-ma\/"},"modified":"2011-08-30T22:00:00","modified_gmt":"2011-08-30T22:00:00","slug":"cna-16-bits-a-fil-unique-pour-boucles-de-courant-4-a-20-ma","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/cna-16-bits-a-fil-unique-pour-boucles-de-courant-4-a-20-ma\/","title":{"rendered":"CNA 16 bits \u00e0 fil unique pour boucles de courant 4 \u00e0 20 mA"},"content":{"rendered":"<p>Le DAC161P997 basse consommation offre aux concepteurs syst&egrave;me un &eacute;quilibre exceptionnel entre pr&eacute;cision, facilit&eacute; d&rsquo;utilisation, performances et co&ucirc;t global. Son CNA delta-sigma offre une pr&eacute;cision de 16 bits avec un coefficient de temp&eacute;rature minimal de 29 ppm, et une d&eacute;rive &agrave; long terme du courant de sortie de 90 ppm, tout en consommant moins de 190 &micro;A de courant d&rsquo;alimentation. La boucle de courant du DAC161P997 peut s&rsquo;interfacer &agrave; un modulateur HART (Highly Adressable Remote Transducer, ou transducteur adressable &agrave; distance), qui permet l&rsquo;injection de donn&eacute;es num&eacute;riques modul&eacute;es FSK dans la boucle de courant 4 &agrave; 20 mA. Ce CNA fonctionne dans toute la plage de temp&eacute;ratures industrielles allant de -40&deg;C &agrave; +125&deg;C.<\/p>\n<p><a target=\"_blank\" href=\"http:\/\/www.national.com\/pf\/DA\/DAC161P997.html\" rel=\"noopener\">www.national.com\/pf\/DA\/DAC161P997.html<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>National Semiconductor annonce un convertisseur num\u00e9rique-analogique 16 bits (CNA) dot\u00e9 d&rsquo;une interface \u00e0 fil unique et \u00e0 boucle de courant 4 \u00e0 20 mA, simplifiant la conception des transmetteurs intelligents utilis\u00e9s dans les syst\u00e8mes industriels \u00e0 capteur 2 fils. Le tr\u00e8s int\u00e9gr\u00e9 DAC161P997 r\u00e9duit le nombre et le co\u00fbt des composants n\u00e9cessaires dans les syst\u00e8mes d&rsquo;automation d&rsquo;usine ou de b\u00e2timents, en permettant l&rsquo;utilisation d&rsquo;un seul composant d&rsquo;isolement pour franchir la fronti\u00e8re d&rsquo;isolement. Pour les applications de mesure ou de d\u00e9tection o\u00f9 l&rsquo;isolement galvanique n&rsquo;est pas n\u00e9cessaire, le DAC161P997 de National peut s&rsquo;interfacer directement avec un microcontr\u00f4leur.<\/p>\n","protected":false},"author":22,"featured_media":222348,"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-222347","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>CNA 16 bits \u00e0 fil unique pour boucles de courant 4 \u00e0 20 mA ...<\/title>\n<meta name=\"description\" content=\"National Semiconductor annonce un convertisseur num\u00e9rique-analogique 16 bits (CNA) dot\u00e9 d&#039;une interface \u00e0 fil unique et \u00e0 boucle de courant 4 \u00e0 20 mA,...\" \/>\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\/222347\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CNA 16 bits \u00e0 fil unique pour boucles de courant 4 \u00e0 20 mA\" \/>\n<meta property=\"og:description\" content=\"National Semiconductor annonce un convertisseur num\u00e9rique-analogique 16 bits (CNA) dot\u00e9 d&#039;une interface \u00e0 fil unique et \u00e0 boucle de courant 4 \u00e0 20 mA, simplifiant la conception des transmetteurs intelligents utilis\u00e9s dans les syst\u00e8mes industriels \u00e0 capteur 2 fils. Le tr\u00e8s int\u00e9gr\u00e9 DAC161P997 r\u00e9duit le nombre et le co\u00fbt des composants n\u00e9cessaires dans les syst\u00e8mes d&#039;automation d&#039;usine ou de b\u00e2timents, en permettant l&#039;utilisation d&#039;un seul composant d&#039;isolement pour franchir la fronti\u00e8re d&#039;isolement. Pour les applications de mesure ou de d\u00e9tection o\u00f9 l&#039;isolement galvanique n&#039;est pas n\u00e9cessaire, le DAC161P997 de National peut s&#039;interfacer directement avec un microcontr\u00f4leur.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/222347\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2011-08-30T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci2273_ns.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1680\" \/>\n\t<meta property=\"og:image:height\" content=\"1120\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" 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