{"id":230880,"date":"2014-09-10T22:00:00","date_gmt":"2014-09-10T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/cna-16-bits-25-gech-s-a-dynamique-elevee-sans-parasites\/"},"modified":"2014-09-10T22:00:00","modified_gmt":"2014-09-10T22:00:00","slug":"cna-16-bits-25-gech-s-a-dynamique-elevee-sans-parasites","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/cna-16-bits-25-gech-s-a-dynamique-elevee-sans-parasites\/","title":{"rendered":"CNA 16 bits 2,5 G\u00e9ch\/s \u00e0 dynamique \u00e9lev\u00e9e sans parasites"},"content":{"rendered":"<p>Ce convertisseur pr&eacute;sente un bas niveau de bruit de phase et une large bande-passante de 2,1 GHz &agrave; &#8209;3 dB en sortie, ce qui autorise une large bande ou une synth&egrave;se de fr&eacute;quence RF &eacute;lev&eacute;e dans les applications comme l&rsquo;instrumentation haut de gamme, les t&eacute;l&eacute;communications &agrave; large bande, les &eacute;quipements de tests, les c&acirc;bles TV DOCSIS CMTS et les radars.<br \/>\nAcceptant &plusmn;1 V, les sorties fournissent un courant &agrave; pleine &eacute;chelle de 40 mA qu&rsquo;il est possible de r&eacute;gler de 10 mA &agrave; 60 mA selon l&rsquo;application. Un port &agrave; interface parall&egrave;le LVDS assure la transmission de donn&eacute;es en entr&eacute;e, &agrave; une vitesse pouvant atteindre 1,25 G&eacute;ch.\/s en utilisant une horloge de 625 MHz pour un transfert de donn&eacute;es &agrave; vitesse double (DDR). Deux ports DDR sont requis pour obtenir une vitesse d&rsquo;&eacute;chantillonnage de 2,5 G&eacute;ch.\/s pour un seul &agrave; la vitesse plus basse de 1,25 G&eacute;ch.\/s. A la vitesse maximum, le composant consomme 2,2 W &agrave; partir de deux alimentations de 1,8 V et 3,3 V, tandis qu&rsquo;&agrave; 1,25 G&eacute;ch.\/s, il consomme seulement 1,3 W.<br \/>\nCon&ccedil;u pour une utilisation facile, ce circuit comprend un g&eacute;n&eacute;rateur de signaux num&eacute;riques interne, une circuiterie de v&eacute;rification des signaux LVDS et un d&eacute;tecteur de la temp&eacute;rature de jonction pour simplifier le d&eacute;veloppement et la mise au point du syst&egrave;me.<br \/>\nEncapsul&eacute; en bo&icirc;tier BGA 170 de 9 x 15 mm conforme RoHS, ce CNA est propos&eacute; en versions 11 bits, 14 bits et 16 bits, dans les classes de temp&eacute;ratures commerciales et industrielles. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LTC2000\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/ltc2000\" rel=\"noopener\">www.linear.com\/product\/LTC2000<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dot\u00e9 d\u2019une puret\u00e9 de spectre exceptionnelle en sortie, le convertisseur num\u00e9rique-analogique (CNA) 16bits 2,5 G\u00e9ch.\/s s\u00e9rie LTC200 de Linear Technology se caract\u00e9rise par une SFDR de 74 dBc \u00e0 200 MHz, et sup\u00e9rieure \u00e0 68 dBc pour les fr\u00e9quences s\u2019\u00e9tendant du continu \u00e0 1 GHz, offrant ainsi une am\u00e9lioration de 12 dB par rapport \u00e0 la majorit\u00e9 des CNA 14 bits.<\/p>\n","protected":false},"author":22,"featured_media":230881,"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-230880","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>CNA 16 bits 2,5 G\u00e9ch\/s \u00e0 dynamique \u00e9lev\u00e9e sans parasites ...<\/title>\n<meta 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