{"id":224509,"date":"2012-06-11T22:00:00","date_gmt":"2012-06-11T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/can-sar-18-bits-25mech-s-sans-latence\/"},"modified":"2012-06-11T22:00:00","modified_gmt":"2012-06-11T22:00:00","slug":"can-sar-18-bits-25mech-s-sans-latence","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/can-sar-18-bits-25mech-s-sans-latence\/","title":{"rendered":"CAN SAR, 18-bits, 2,5M\u00e9ch.\/s, sans latence"},"content":{"rendered":"<p>Fonctionnant sur une alimentation unique de 5V, le LTC2389-18 accepte trois types d&rsquo;entr&eacute;es analogiques, configurables par brochage, et s&rsquo;interfa&ccedil;ant facilement &agrave; de nombreux types de signaux,&nbsp;en un seul composant. Pour la caract&eacute;ristique SNR maximum, les entr&eacute;es du LTC2389-18 peuvent &ecirc;tre configur&eacute;es en entr&eacute;es diff&eacute;rentielles (&plusmn;4,096V). Les gammes d&rsquo;entr&eacute;es analogiques pseudo-diff&eacute;rentielles unipolaires (0V &agrave; 4,096V) et bipolaires (&plusmn;2,048V) permettent un contr&ocirc;le unipolaire, de plus faible niveau, tout en b&eacute;n&eacute;ficiant de la r&eacute;duction des signaux, non d&eacute;sir&eacute;s, communs aux deux entr&eacute;es. Le LTC2389-18 convient aux conceptions requ&eacute;rant des variations maximales du signal, pour de bas niveaux de puissance, dans les environnements bruit&eacute;s de l&rsquo;industrie.<br \/>\nLe LTC2389-18 pr&eacute;sente des caract&eacute;ristiques remarquables en DC, avec une INL de &plusmn; 3LSB (max.), une erreur de tension de d&eacute;calage de z&eacute;ro de &plusmn;10LSB et une r&eacute;solution de 18bits, sans perte de codes. Le LTC2389-18 poss&egrave;de aussi une r&eacute;f&eacute;rence de tension interne, de pr&eacute;cision, de 4,096V, avec un coefficient de temp&eacute;rature de 20ppm\/&deg;C (max.), ce qui offre une &eacute;conomie de surface pour les applications &agrave; forte densit&eacute; d&rsquo;int&eacute;gration. Le LTC2389-18 consomme&nbsp;162,5mW &agrave; 2,5M&eacute;ch.\/s et en mode arr&ecirc;t sa consommation est r&eacute;duite &agrave; 75&micro;W, en l&rsquo;absence de conversion. Le fonctionnement vrai, sans cycle de latence, autorise des mesures pr&eacute;cises, en une seule fois, m&ecirc;me apr&egrave;s de longues p&eacute;riodes d&rsquo;inactivit&eacute;, sans vitesse d&rsquo;&eacute;chantillonnage minimum requise. Le LTC2389-18 poss&egrave;de une interface num&eacute;rique souple, acceptant une vitesse d&rsquo;&eacute;chantillonnage de 2,5M&eacute;ch.\/s, avec une interface parall&egrave;le, et une vitesse d&rsquo;&eacute;chantillonnage de 1,9M&eacute;ch.\/s, avec une interface s&eacute;rie SPI, pour des tensions d&rsquo;entr&eacute;e \/ sortie de 1,8V &agrave; 5V.<br \/>\nLe LTC2389-18 est le premier d&rsquo;une famille de CAN SAR, de hautes performances, offrant la compatibilit&eacute; de brochage et de logiciel 18bits \/16bits, avec des vitesses allant de 250k&eacute;ch.\/s &agrave; 2,5M&eacute;ch.\/s. Les sp&eacute;cifications sont garanties sur la gamme de temp&eacute;ratures de 40&deg;C &agrave; 125&deg;C, et les composants sont disponibles en bo&icirc;tiers de 48 broches, LQFP et QFN, 7mm x 7mm. <\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTC2389\" target=\"_blank\" title=\"www.linear.com\/product\/LTC2389-18\" rel=\"noopener\">www.linear.com\/product\/LTC2389-18<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology pr\u00e9sente le LTC2389-18, le CAN SAR 18 bits, sans cycle de latence, le plus rapide du march\u00e9 industriel. Le LTC2389-18 pr\u00e9sente un rapport signal sur bruit (SNR) in\u00e9gal\u00e9 de 99,8dB et une distorsion harmonique totale (THD) de -116dB, pour des vitesses d&rsquo;\u00e9chantillonnage pouvant atteindre 2,5M\u00e9ch.\/s.<\/p>\n","protected":false},"author":22,"featured_media":224510,"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-224509","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>CAN SAR, 18-bits, 2,5M\u00e9ch.\/s, sans latence ...<\/title>\n<meta name=\"description\" content=\"Linear Technology pr\u00e9sente le LTC2389-18, le CAN SAR 18 bits, sans cycle de latence, le plus rapide du march\u00e9 industriel. Le LTC2389-18 pr\u00e9sente un...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224509\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CAN SAR, 18-bits, 2,5M\u00e9ch.\/s, sans latence\" \/>\n<meta property=\"og:description\" content=\"Linear Technology pr\u00e9sente le LTC2389-18, le CAN SAR 18 bits, sans cycle de latence, le plus rapide du march\u00e9 industriel. Le LTC2389-18 pr\u00e9sente un rapport signal sur bruit (SNR) in\u00e9gal\u00e9 de 99,8dB et une distorsion harmonique totale (THD) de -116dB, pour des vitesses d&#039;\u00e9chantillonnage pouvant atteindre 2,5M\u00e9ch.\/s.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/224509\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2012-06-11T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci3266_ltc2389_18-copie.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2041\" \/>\n\t<meta property=\"og:image:height\" content=\"1458\" \/>\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\" 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