{"id":222963,"date":"2011-11-15T23:00:00","date_gmt":"2011-11-15T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseurs-a-n-quadruples-et-octuples-a-haut-debit\/"},"modified":"2011-11-15T23:00:00","modified_gmt":"2011-11-15T23:00:00","slug":"convertisseurs-a-n-quadruples-et-octuples-a-haut-debit","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseurs-a-n-quadruples-et-octuples-a-haut-debit\/","title":{"rendered":"Convertisseurs A\/N quadruples et octuples \u00e0 haut d\u00e9bit"},"content":{"rendered":"<p class=\"MsoNormal\">Les mod&egrave;les octuples AD9257 14 bits et AD9637 12 bits embarquent chacun huit convertisseurs A\/N sur un m&ecirc;me bo&icirc;tier LFCSP 64 de 9 x 9 mm, pour une consommation d&rsquo;&eacute;nergie par canal inf&eacute;rieure de 40&nbsp;% &agrave; celle d&rsquo;autres convertisseurs octuples discrets. Les versions quadruples AD9253 14 bits &nbsp;et AD9633 12 bits sont propos&eacute;s en bo&icirc;tiers LFCSP48 de 7 x 7 mm,&nbsp; tr&egrave;s compacts pour ce type d&rsquo;application. Tous sont sp&eacute;cifi&eacute;s dans la plage de temp&eacute;rature industrielle de -40 &deg;C &agrave; +85 &deg;C et fonctionnent sous une tension d&rsquo;alimentation unique de 1,8&nbsp;V. <br \/>\nCes convertisseurs sont compatibles avec les tr&egrave;s hautes densit&eacute;s de canaux qui caract&eacute;risent les syst&egrave;mes d&rsquo;imagerie par r&eacute;sonance magn&eacute;tique (IRM), les appareils &agrave; ultra-sons utilis&eacute;s dans le secteur m&eacute;dical et les applications d&rsquo;imagerie haut de gamme telles que les syst&egrave;mes de contr&ocirc;le visuel industriels et non destructifs par ultrasons. Les mod&egrave;les quadruples sont propos&eacute;s en bo&icirc;tier non-magn&eacute;tique, ce qui permet de les utiliser en toute s&eacute;curit&eacute; dans le champ magn&eacute;tique d&rsquo;un syst&egrave;me IRM. Ils peuvent ainsi &ecirc;tre positionn&eacute;s plus pr&egrave;s du signal d&rsquo;int&eacute;r&ecirc;t, ce qui accro&icirc;t le niveau de r&eacute;solution de l&rsquo;image et la vitesse d&rsquo;affichage des images tout en r&eacute;duisant le nombre total de composants. L&rsquo;amplificateur quadruple &agrave; gain variable (VGA) &agrave; tr&egrave;s faible niveau de bruit AD8334 peut &ecirc;tre associ&eacute; &agrave; ces convertisseurs pour des applications &agrave; ultrasons.<br \/>\nCes 4 convertisseurs conviennent &eacute;galement aux radios MIMO (entr&eacute;es multiples, sorties multiples), aux &eacute;quipements pour infrastructures 3G et autres applications de communications sans fil. Pour ces applications, ils peuvent &ecirc;tre associ&eacute;s &agrave; l&rsquo;amplificateur &agrave; gain variable (VGA) large bande ADL5202, &agrave; &nbsp;l&rsquo;amplificateur VGA dual ultra-basse distorsion en fr&eacute;quences interm&eacute;diaires AD8376 et au circuit de commande pour convertisseur A\/N diff&eacute;rentiel ultra-basse distorsion ADA4937.<\/p>\n<p class=\"MsoNormal\"><a title=\"www.analog.com\" target=\"_blank\" href=\"http:\/\/www.analog.com\" rel=\"noopener\">www.analog.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices \u00e9tend sa gamme de convertisseurs analogiques\/num\u00e9riques \u00e0 haut d\u00e9bit avec quatre convertisseurs, deux mod\u00e8les \u00e0 quatre canaux et deux \u00e0 huit canaux. Ils sont con\u00e7us pour les applications de communications et d\u2019imagerie m\u00e9dicale o\u00f9 la combinaison d\u2019une haute densit\u00e9 de canaux, d\u2019une consommation r\u00e9duite et d\u2019un faible encombrement apporte une souplesse accrue et une baisse du co\u00fbt de conversion par canal.<\/p>\n","protected":false},"author":22,"featured_media":222964,"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-222963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseurs A\/N quadruples et octuples \u00e0 haut d\u00e9bit ...<\/title>\n<meta name=\"description\" content=\"Analog Devices \u00e9tend sa gamme de convertisseurs analogiques\/num\u00e9riques \u00e0 haut d\u00e9bit avec quatre convertisseurs, deux mod\u00e8les \u00e0 quatre canaux et deux \u00e0...\" \/>\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\/222963\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseurs A\/N quadruples et octuples \u00e0 haut d\u00e9bit\" \/>\n<meta property=\"og:description\" content=\"Analog Devices \u00e9tend sa gamme de convertisseurs analogiques\/num\u00e9riques \u00e0 haut d\u00e9bit avec quatre convertisseurs, deux mod\u00e8les \u00e0 quatre canaux et deux \u00e0 huit canaux. 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