{"id":231232,"date":"2014-10-15T22:00:00","date_gmt":"2014-10-15T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-a-n-sar-haute-temperature-ultra-rapide-et-precis\/"},"modified":"2014-10-15T22:00:00","modified_gmt":"2014-10-15T22:00:00","slug":"convertisseur-a-n-sar-haute-temperature-ultra-rapide-et-precis","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-a-n-sar-haute-temperature-ultra-rapide-et-precis\/","title":{"rendered":"Convertisseur A\/N SAR haute temp\u00e9rature, ultra rapide et pr\u00e9cis"},"content":{"rendered":"<p>Avec des fr&eacute;quences d&rsquo;&eacute;chantillonnage pouvant atteindre 600 k&eacute;ch\/s, ce convertisseur &agrave; approximations successives (SAR) convient particuli&egrave;rement aux applications telles que la mesure sonique et de vibration large bande, ainsi que la d&eacute;tection de temp&eacute;rature et de pression &agrave; basse consommation dans une bande passante plus &eacute;troite. Il maximise l&rsquo;autonomie de la batterie dans des environnements difficiles en adaptant la consommation de fa&ccedil;on lin&eacute;aire par rapport &agrave; la fr&eacute;quence d&rsquo;&eacute;chantillonnage, consommant seulement 4,65 mW &agrave; la fr&eacute;quence maximale de 600 k&eacute;ch\/s et 70 &micro;W &agrave; 10 k&eacute;ch\/s.<br \/>\nCe circuit affiche des performances typiques de &plusmn;0,7 LSB en lin&eacute;arit&eacute; non int&eacute;grale (INL) et un rapport signal\/bruit de 91 dB avec, &agrave; la cl&eacute;, une dynamique &eacute;lev&eacute;e doubl&eacute;e d&rsquo;une exactitude et d&rsquo;une pr&eacute;cision maximales. Cette combinaison permet de g&eacute;rer des crit&egrave;res de performances critiques pour les applications de mesure haute pr&eacute;cision utilis&eacute;es dans des environnements difficiles o&ugrave; la temp&eacute;rature est tr&egrave;s &eacute;lev&eacute;e, tels que les plateformes de forage p&eacute;trolier et gazier &agrave; de grandes profondeurs, les applications industrielles ou avioniques.<br \/>\nEncapsul&eacute; en bo&icirc;tier MSOP 10 contacts, de 3 x 3mm, ce composant est garanti pour fonctionner dans la plage de temp&eacute;rature de -55 &deg;C &agrave; +175 &deg;C.<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.analog.com\/AD7981\" target=\"_blank\" title=\"www.analog.com\/AD7981\" rel=\"noopener\">www.analog.com\/AD7981<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sp\u00e9cifi\u00e9 pour fonctionner jusqu\u2019\u00e0 175 \u00b0C, le convertisseur analogique\/num\u00e9rique PulSAR 16 bits ultra rapide AD7981 d\u2019Analog Devices assure un haut niveau de pr\u00e9cision dans des environnements difficiles o\u00f9 les temp\u00e9ratures sont tr\u00e8s \u00e9lev\u00e9es, tels que le forage de fond, les industries lourdes et l\u2019avionique.<\/p>\n","protected":false},"author":22,"featured_media":231233,"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-231232","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur A\/N SAR haute temp\u00e9rature, ultra rapide et pr\u00e9cis ...<\/title>\n<meta name=\"description\" content=\"Sp\u00e9cifi\u00e9 pour fonctionner jusqu\u2019\u00e0 175 \u00b0C, le convertisseur analogique\/num\u00e9rique PulSAR 16 bits ultra rapide AD7981 d\u2019Analog Devices assure un haut...\" \/>\n<meta name=\"robots\" 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