{"id":227922,"date":"2013-09-09T22:00:00","date_gmt":"2013-09-09T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseurs-can-sar-18-et-16-bits-ultra-rapides\/"},"modified":"2013-09-09T22:00:00","modified_gmt":"2013-09-09T22:00:00","slug":"convertisseurs-can-sar-18-et-16-bits-ultra-rapides","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseurs-can-sar-18-et-16-bits-ultra-rapides\/","title":{"rendered":"Convertisseurs CAN SAR 18 et 16 bits ultra-rapides"},"content":{"rendered":"<p>Contrairement &agrave; d&rsquo;autres convertisseurs A\/N 18 bits qui sacrifient la consommation d&rsquo;&eacute;nergie et la pr&eacute;cision pour atteindre des fr&eacute;quences d&rsquo;&eacute;chantillonnage sup&eacute;rieures, ce circuit ne consomme que 39 mW &agrave; 5 M&eacute;ch\/s. De plus, il est optimis&eacute; pour une lin&eacute;arit&eacute; int&eacute;grale INL de &plusmn;0,8 LSB en courant continu et des performances en courant alternatif &eacute;lev&eacute;es avec un rapport signal\/bruit SNR de 99 dB, m&ecirc;me &agrave; plein d&eacute;bit. Il se caract&eacute;rise &eacute;galement par un niveau de bruit optimum de 22,4 nV\/&radic;Hz par rapport &agrave; son entr&eacute;e &agrave; pleine &eacute;chelle, ce qui, combin&eacute; &agrave; la compacit&eacute; du bo&icirc;tier, permet de relever les d&eacute;fis de conception cl&eacute;s tels qu&rsquo;encombrement, thermique, &eacute;lectrique, inh&eacute;rents aux syst&egrave;mes &agrave; haute densit&eacute; de voies.<br \/>\nEn variante &agrave; ce produit, le convertisseur analogique\/num&eacute;rique PulSAR 16 bits AD7961 se distingue par d&rsquo;excellentes performances avec un rapport signal\/bruit de 95,5 dB et une lin&eacute;arit&eacute; int&eacute;grale de &plusmn; -0,2 LSB &agrave; 5 M&eacute;ch\/s. Compatibles au niveau du brochage, ces deux circuits offrent des possibilit&eacute;s d&rsquo;&eacute;volution aux applications d&rsquo;acquisition 16 et 18 bits dans les domaines de l&rsquo;instrumentation et de la sant&eacute;. Ils incluent une interface LVDS (signalisation diff&eacute;rentielle basse tension) flexible et &agrave; faible bruit qui permet d&rsquo;exporter les donn&eacute;es hors du circuit int&eacute;gr&eacute; &agrave; une vitesse pouvant atteindre 300 MHz.<br \/>\nIls sont conditionn&eacute;s en bo&icirc;tier LFCSP 32 contacts de 5 x 5 mm et fonctionnent sur la plage de temp&eacute;ratures de -40 &deg;C &agrave; +85 &deg;C.<br \/>\nTous les outils d&rsquo;&eacute;valuation connexes fournis tels que circuits de r&eacute;f&eacute;rence, kits de d&eacute;veloppement et cartes mezzanine FPGA, incluent le code HDL et les pilotes n&eacute;cessaires pour faciliter l&rsquo;int&eacute;gration aux circuits logiques programmables sur site FPGA et permettre un d&eacute;veloppement plus rapide dans un environnement de conception simplifi&eacute;.<\/p>\n<\/p>\n<p><a title=\"www.analog.com\/AD7960\" target=\"_blank\" href=\"http:\/\/www.analog.com\/AD7960\" rel=\"noopener\">www.analog.com\/AD7960<\/a><a title=\"www.analog.com\/AD7961\" target=\"_blank\" href=\"http:\/\/www.analog.com\/AD7961\" rel=\"noopener\"><br \/>\nwww.analog.com\/AD7961<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec une fr\u00e9quence de 5 m\u00e9ga-\u00e9chantillons par seconde (M\u00e9ch\/s), le convertisseur analogique\/num\u00e9rique PulSAR 18 bits AD7960 d\u2019Analog Devices fonctionne deux fois plus rapidement que la majorit\u00e9 des convertisseurs \u00e0 approximations successives (SAR). Avec ce d\u00e9bit, un plancher de bruit optimum et une lin\u00e9arit\u00e9 \u00e9lev\u00e9e, ce CAN SAR a \u00e9t\u00e9 con\u00e7u pour les cha\u00eenes de signal basse consommation, les syst\u00e8mes multiplex\u00e9s tels que les rayons X num\u00e9riques et les applications de sur-\u00e9chantillonnage, parmi lesquelles la spectroscopie, le contr\u00f4le de gradients IRM et la chromatographie en phase gazeuse.<\/p>\n","protected":false},"author":22,"featured_media":227923,"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-227922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseurs CAN SAR 18 et 16 bits ultra-rapides ...<\/title>\n<meta name=\"description\" content=\"Avec une fr\u00e9quence de 5 m\u00e9ga-\u00e9chantillons par seconde (M\u00e9ch\/s), le convertisseur analogique\/num\u00e9rique PulSAR 18 bits AD7960 d\u2019Analog Devices...\" \/>\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\/227922\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseurs CAN SAR 18 et 16 bits ultra-rapides\" \/>\n<meta property=\"og:description\" content=\"Avec une fr\u00e9quence de 5 m\u00e9ga-\u00e9chantillons par seconde (M\u00e9ch\/s), le convertisseur analogique\/num\u00e9rique PulSAR 18 bits AD7960 d\u2019Analog Devices fonctionne deux fois plus rapidement que la majorit\u00e9 des convertisseurs \u00e0 approximations successives (SAR). Avec ce d\u00e9bit, un plancher de bruit optimum et une lin\u00e9arit\u00e9 \u00e9lev\u00e9e, ce CAN SAR a \u00e9t\u00e9 con\u00e7u pour les cha\u00eenes de signal basse consommation, les syst\u00e8mes multiplex\u00e9s tels que les rayons X num\u00e9riques et les applications de sur-\u00e9chantillonnage, parmi lesquelles la spectroscopie, le contr\u00f4le de gradients IRM et la chromatographie en phase gazeuse.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/227922\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-09-09T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6580_adi-ad7960-rgb-lo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1860\" \/>\n\t<meta property=\"og:image:height\" content=\"1488\" \/>\n\t<meta property=\"og:image:type\" 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Avec ce d\u00e9bit, un plancher de bruit optimum et une lin\u00e9arit\u00e9 \u00e9lev\u00e9e, ce CAN SAR a \u00e9t\u00e9 con\u00e7u pour les cha\u00eenes de signal basse consommation, les syst\u00e8mes multiplex\u00e9s tels que les rayons X num\u00e9riques et les applications de sur-\u00e9chantillonnage, parmi lesquelles la spectroscopie, le contr\u00f4le de gradients IRM et la chromatographie en phase gazeuse.","og_url":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/227922\/","og_site_name":"EENewsEurope","article_published_time":"2013-09-09T22:00:00+00:00","og_image":[{"width":1860,"height":1488,"url":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6580_adi-ad7960-rgb-lo.jpg","type":"image\/jpeg"}],"author":"eeNews Europe","twitter_card":"summary_large_image","twitter_misc":{"Written by":"eeNews Europe","Est. reading time":"2 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