{"id":209499,"date":"2016-05-31T00:00:00","date_gmt":"2016-05-31T00:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/can-sar-16-bits-5-mech-s-a-entree-differentielle\/"},"modified":"2016-05-31T00:00:00","modified_gmt":"2016-05-31T00:00:00","slug":"can-sar-16-bits-5-mech-s-a-entree-differentielle","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/can-sar-16-bits-5-mech-s-a-entree-differentielle\/","title":{"rendered":"CAN SAR 16 bits, 5 M\u00e9ch.\/s, \u00e0 entr\u00e9e diff\u00e9rentielle"},"content":{"rendered":"<p>Ainsi, ce circuit permet une conversion directe d\u2019une grande vari\u00e9t\u00e9 de signaux tout en maintenant un bon rapport signal sur bruit (SNR) de 81,6 dB pour un signal d\u2019entr\u00e9e de 2,2 MHz, et r\u00e9alisant un taux de r\u00e9jection en mode commun (CMRR) de 85 dB pour le m\u00eame&nbsp;signal d\u2019entr\u00e9e.<\/p>\n<p>Les applications de l\u2019instrumentation et du m\u00e9dical qui n\u00e9cessitent une isolation entre canaux, utilisent des CAN \u00e0 canal unique pour isoler individuellement les circuits d\u2019entr\u00e9e. Chaque canal du CAN requiert alors son propre circuit de traitement du signal avec une alimentation isol\u00e9e. Toutefois, ce circuit \u00e9tant r\u00e9pliqu\u00e9 sur tous les canaux, toute simplification de celui-ci g\u00e9n\u00e8re une r\u00e9percussion importante sur la complexit\u00e9 du syst\u00e8me. La souplesse des entr\u00e9es diff\u00e9rentielles et la large gamme de la tension d\u2019entr\u00e9e en mode commun de ce CAN SAR contribuent \u00e0 simplifier la conception du traitement du signal, abaissant fortement le nombre de composants requis, r\u00e9duisant le co\u00fbt du syst\u00e8me, la consommation de puissance et le volume de la carte du circuit.<\/p>\n<p>Ce convertisseur est \u00e0 la t\u00eate d\u2019une famille de CAN SAR de 12, 14 et 16 bits, avec des vitesses d\u2019\u00e9chantillonnage de 2 M\u00e9ch.\/s et 5 M\u00e9ch.\/s, \u00e0 compatibilit\u00e9 de brochage. Pour simplifier la conception du syst\u00e8me, ces composants int\u00e8grent une r\u00e9f\u00e9rence de tension de pr\u00e9cision, de 2,048 V ou 4,096 V, \u00e0 faible d\u00e9rive et garantie avec un coefficient de temp\u00e9rature maximum de 20 ppm\/\u00b0C. Ils peuvent \u00eatre aliment\u00e9s en 3,3 V ou 5 V avec une consommation de 30 mW ou de 50 mW respectivement. L\u2019interface s\u00e9rie rapide, CMOS ou LVDS, compatible SPI,&nbsp;est appropri\u00e9e aux syst\u00e8mes \u00e0 haute vitesse et de forte int\u00e9gration.<\/p>\n<p>Ce CAN SAR est propos\u00e9 dans les classes de temp\u00e9ratures commerciales, industrielles et de l\u2019automobile (-40 \u00b0C \u00e0 +125\u00b0C) dans un petit bo\u00eetier MSOP-16 de 4 x 5 mm.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTC2311-16\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LTC2311-16<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dot\u00e9 d\u2019une large gamme de tensions d\u2019entr\u00e9e rail-\u00e0-rail en mode commun, le convertisseur analogique-num\u00e9rique \u00e0 registre \u00e0 approximations successives CAN SAR 16 bits LTC2311-16 de Linear Technology pr\u00e9sente une entr\u00e9e diff\u00e9rentielle pratique, acceptant des signaux analogiques jusqu\u2019\u00e0 la fr\u00e9quence de Nyquist. <\/p>\n","protected":false},"author":9,"featured_media":209500,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[889],"domains":[47],"ppma_author":[1141],"class_list":["post-209499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-analog-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>CAN SAR 16 bits, 5 M\u00e9ch.\/s, \u00e0 entr\u00e9e diff\u00e9rentielle ...<\/title>\n<meta name=\"description\" content=\"Dot\u00e9 d\u2019une large gamme de tensions d\u2019entr\u00e9e rail-\u00e0-rail en mode commun, le convertisseur analogique-num\u00e9rique \u00e0 registre \u00e0 approximations...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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