{"id":222815,"date":"2011-10-30T23:00:00","date_gmt":"2011-10-30T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-n-a-12-bits-faible-cout-ultra-rapide\/"},"modified":"2011-10-30T23:00:00","modified_gmt":"2011-10-30T23:00:00","slug":"convertisseur-n-a-12-bits-faible-cout-ultra-rapide","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-n-a-12-bits-faible-cout-ultra-rapide\/","title":{"rendered":"Convertisseur N\/A 12 bits faible co\u00fbt ultra-rapide"},"content":{"rendered":"<p>Avec leur taux de conversion de 100 MHz, ces dispositifs ultra-rapides conviennent &agrave; toute applications o&ugrave; la vitesse est critique comme les &eacute;quipements radar, de reconstruction de signal, de g&eacute;n&eacute;ration de formes d&rsquo;ondes et de communications. Avec une tr&egrave;s faible &eacute;nergie de glitch de 3,0 pV.s, compar&eacute; &agrave; la norme de l&rsquo;industrie de 100 pV.s, le DAC-12100 g&eacute;n&egrave;re tr&egrave;s peu de bruit de commutation. Les sorties en courant compl&eacute;mentaires pilotent directement des charges de 50 ohm. La performance dynamique, dans les conditions de Nyquist &agrave; fOUT = 2,02&nbsp;MHz, fournit un SFDR (plage dynamique sans parasite) de &ndash; 85 dB. Ce convertisseur utilise un r&eacute;seau de r&eacute;sistances R\/2R et un arrangement segment&eacute; de sources de courant &agrave; commutation, afin de r&eacute;duire l&rsquo;&eacute;nergie de glitch. L&rsquo;ajustage au laser du r&eacute;seau de r&eacute;sistances permet au dispositif d&rsquo;atteindre sa lin&eacute;arit&eacute; sur 12&nbsp;bits de moins de 0,5 LSB &agrave; travers toute la courbe de transfert.<br \/>\nLe DAC-12100 est disponible en bo&icirc;tier CLCC herm&eacute;tiquement scell&eacute; &agrave; 28 contacts m&eacute;tallis&eacute;s mesurant 11,43 x 11,43 mm (0,45 x 0,45 pouces). Con&ccedil;u pour les environnements difficiles et durcis, en particulier ceux rencontr&eacute;s dans les plates-formes militaires et avioniques, ce convertisseur haute fiabilit&eacute; est sp&eacute;cifi&eacute; pour la plage de temp&eacute;rature de fonctionnement &eacute;tendue de &#8211; 55&deg;C &agrave; + 125 C. Il r&eacute;pond &agrave; toutes les exigences du standard MIL-PRF-38534.<br \/>\n<a href=\"http:\/\/www.datel.com\/\">www.datel.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Destin\u00e9e aux applications militaires et a\u00e9rospatiales haute fiabilit\u00e9, la s\u00e9rie DAC-12100 propos\u00e9e par Datel est constitu\u00e9e de convertisseurs num\u00e9rique\/analogique 12 bits basse consommation \u00e0 sortie courant, dont les entr\u00e9es sont compatibles TTL\/CMOS.<\/p>\n","protected":false},"author":22,"featured_media":222816,"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-222815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur N\/A 12 bits faible 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