{"id":224681,"date":"2012-07-03T22:00:00","date_gmt":"2012-07-03T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/encodeur-magnetique-14-bits\/"},"modified":"2012-07-03T22:00:00","modified_gmt":"2012-07-03T22:00:00","slug":"encodeur-magnetique-14-bits","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/encodeur-magnetique-14-bits\/","title":{"rendered":"Encodeur magn\u00e9tique 14 bits"},"content":{"rendered":"<p>La conception m&eacute;canique de l&rsquo;application n&rsquo;a pas besoin de permettre un alignement initial pr&eacute;cis du capteur et de l&rsquo;aimant bipolaire avec lequel il est appari&eacute; : au contraire, la position z&eacute;ro est programm&eacute;e dans l&rsquo;encodeur magn&eacute;tique AS5048 une fois pour toute &agrave; l&rsquo;assemblage, via une commande simple SPI ou I2C, ne n&eacute;cessitant aucun appareil de programmation sp&eacute;cial. L&rsquo;AS5048 est &eacute;galement tr&egrave;s tol&eacute;rant au non alignement entre le capteur et son aimant appari&eacute; et aux variations dans l&rsquo;espace, ainsi qu&rsquo;aux variations de temp&eacute;rature de -40&deg;C &agrave; +150&deg;C. <br \/>\nL&rsquo;encodeur magn&eacute;tique rotatif AS5048 offre une mesure plus pr&eacute;cise que ses pr&eacute;d&eacute;cesseurs fabriqu&eacute;s par austriamicrosystems. Son convertisseur de mesure 14 bits tourne pour une r&eacute;solution &agrave; partir de 0,0219&deg;. Avec la lin&eacute;arisation et le moyennage impl&eacute;ment&eacute;s dans le microcontr&ocirc;leur h&ocirc;te, il peut donner des mesures d&rsquo;angle d&rsquo;une pr&eacute;cision de 0,05&deg;. L&rsquo;AS5048 profite aussi des avantages des processus de fabrication propri&eacute;taires d&eacute;velopp&eacute;s dans la fonderie silicium d&rsquo;austriamicrosystems &agrave; Graz, en Autriche qui permet une production de circuits analogiques extr&ecirc;mement sensibles .La haute sensibilit&eacute; du circuit implique qu&rsquo;il peut &ecirc;tre appari&eacute; avec des types d&rsquo;aimants &eacute;conomiques tels que des ferrites, fonctionnant avec fiabilit&eacute; dans des champs magn&eacute;tiques aussi faibles que 30mT. <br \/>\nUn r&eacute;gulateur de tension interne permet &agrave; l&rsquo;AS5048 de fonctionner &agrave; partir d&rsquo;une alimentation 3,3V ou d&rsquo;une alimentation 5V. Il est disponible en bo&icirc;tier TSSOP 14 broches. De multiples appareils peuvent &ecirc;tre branch&eacute;s s&eacute;quentiellement afin de produire un lecteur de donn&eacute;es s&eacute;rie. <\/p>\n<p><a href=\"http:\/\/www.austriamicrosystems.com\/Magnetic-Encoders\/AS5048\" target=\"_blank\" title=\"www.austriamicrosystems.com\" rel=\"noopener\">www.austriamicrosystems.com\/Magnetic-Encoders\/AS5048<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le circuit AS5048 d&rsquo;austriamicrosystems est un encodeur magn\u00e9tique 14 bits dont les nouvelles caract\u00e9ristiques simplifient plus que jamais la mesure pr\u00e9cise et fiable d&rsquo;angles dans les applications \u00e0 base de microcontr\u00f4leurs. Gr\u00e2ce \u00e0 une sortie PWM ou son interface SPI ou I2C, l&rsquo;AS5048 fournit des mesures d&rsquo;angles absolus \u00e0 un microcontr\u00f4leur h\u00f4te.<\/p>\n","protected":false},"author":22,"featured_media":224682,"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-224681","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Encodeur magn\u00e9tique 14 bits ...<\/title>\n<meta name=\"description\" content=\"Le circuit AS5048 d&#039;austriamicrosystems est un encodeur magn\u00e9tique 14 bits dont les nouvelles caract\u00e9ristiques simplifient plus que jamais la mesure...\" \/>\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\/224681\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Encodeur magn\u00e9tique 14 bits\" \/>\n<meta property=\"og:description\" content=\"Le circuit AS5048 d&#039;austriamicrosystems est un encodeur magn\u00e9tique 14 bits dont les nouvelles caract\u00e9ristiques simplifient plus que jamais la mesure pr\u00e9cise et fiable d&#039;angles dans les applications \u00e0 base de microcontr\u00f4leurs. Gr\u00e2ce \u00e0 une sortie PWM ou son interface SPI ou I2C, l&#039;AS5048 fournit des mesures d&#039;angles absolus \u00e0 un microcontr\u00f4leur h\u00f4te.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224681\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2012-07-03T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci3279_austria.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"649\" \/>\n\t<meta property=\"og:image:height\" content=\"386\" \/>\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\" content=\"eeNews Europe\" \/>\n\t<meta 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