{"id":205048,"date":"2016-07-10T01:00:00","date_gmt":"2016-07-10T01:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/photocoupleurs-haute-precision-avec-can-sigma-delta\/"},"modified":"2016-07-10T01:00:00","modified_gmt":"2016-07-10T01:00:00","slug":"photocoupleurs-haute-precision-avec-can-sigma-delta","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/photocoupleurs-haute-precision-avec-can-sigma-delta\/","title":{"rendered":"Photocoupleurs haute-pr\u00e9cision avec CAN Sigma-Delta"},"content":{"rendered":"<p>La supervision pr\u00e9cise du courant de phase des moteurs et des fluctuations de tension de BUS est primordiale pour assurer un bon retour d&rsquo;information (feedback) aux microcontr\u00f4leurs servant au sein d&rsquo;\u00e9quipements d&rsquo;automatisation industrielle qui doivent fonctionner avec pr\u00e9cision. Pour r\u00e9pondre \u00e0 ce besoin, ces amplificateurs sont \u00e9quip\u00e9s d&rsquo;un CAN Sigma-Delta en entr\u00e9e qui leur permet d&rsquo;offrir un d\u00e9faut de lin\u00e9arit\u00e9 int\u00e9grale de seulement 4 LSB (Least Significant Bits, ou bits de poids faible).<\/p>\n<p>Ces deux composants pr\u00e9sentent une immunit\u00e9 garantie aux transitoires en mode commun de 20 kV\/\u00b5s, \u00e0 une tension V<sub>CM<\/sub> de 1 kV pour une temp\u00e9rature Ta de 25 \u00b0C, ce qui, d&rsquo;une part, leur assure un fonctionnement stable dans tous les environnements bruyants \u00e9lectriquement et qui, d&rsquo;autre part, les destine tout particuli\u00e8rement aux applications de commande moteur. La barri\u00e8re optique garantit une tension d&rsquo;isolement d\u2019au moins 5000 Veff.<\/p>\n<p>Ces dispositifs sont con\u00e7us pour fonctionner dans une plage de temp\u00e9rature tr\u00e8s large, allant de -40 \u02daC \u00e0 +105 \u02daC. Le TLP7930 est propos\u00e9 en bo\u00eetier DIP8 \u00e0 la norme du march\u00e9, tandis que le TLP7830 est encapsul\u00e9 dans un bo\u00eetier compact SO8L innovant qui occupe 30% de place en moins sur la carte, tout en \u00e9tant aminci de 40%.<\/p>\n<p><a href=\"http:\/\/www.toshiba.semicon-storage.com\/\" target=\"_blank\" rel=\"noopener\">www.toshiba.semicon-storage.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dot\u00e9s d\u2019une sortie num\u00e9rique, les amplificateurs d&rsquo;isolement TLP7830 et TLP7930 de Toshiba Electronics sont destin\u00e9s \u00e0 la d\u00e9tection de courant ou de tension dans les convertisseurs de puissance. Ils offrent une tr\u00e8s haute pr\u00e9cision gr\u00e2ce \u00e0 leur convertisseur analogique-num\u00e9rique (CAN) Sigma-Delta int\u00e9gr\u00e9.<\/p>\n","protected":false},"author":9,"featured_media":205049,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[889,907],"domains":[47],"ppma_author":[1141],"class_list":["post-205048","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-analog-fr","tag-optoelectronics-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Photocoupleurs haute-pr\u00e9cision avec CAN Sigma-Delta ...<\/title>\n<meta name=\"description\" content=\"Dot\u00e9s d\u2019une sortie num\u00e9rique, les amplificateurs d&#039;isolement TLP7830 et TLP7930 de Toshiba Electronics sont destin\u00e9s \u00e0 la d\u00e9tection de courant ou de...\" \/>\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\/205048\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Photocoupleurs haute-pr\u00e9cision avec CAN Sigma-Delta\" \/>\n<meta property=\"og:description\" content=\"Dot\u00e9s d\u2019une sortie num\u00e9rique, les amplificateurs d&#039;isolement TLP7830 et TLP7930 de Toshiba Electronics sont destin\u00e9s \u00e0 la d\u00e9tection de courant ou de tension dans les convertisseurs de puissance. Ils offrent une tr\u00e8s haute pr\u00e9cision gr\u00e2ce \u00e0 leur convertisseur analogique-num\u00e9rique (CAN) Sigma-Delta int\u00e9gr\u00e9.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/205048\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2016-07-10T01:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci7962_toshiba_6832a_lres.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alain Dieul\" 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