{"id":223383,"date":"2012-01-12T23:00:00","date_gmt":"2012-01-12T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/double-cna-18-bits-a-sorties-en-courant-et-interface-spi\/"},"modified":"2012-01-12T23:00:00","modified_gmt":"2012-01-12T23:00:00","slug":"double-cna-18-bits-a-sorties-en-courant-et-interface-spi","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/double-cna-18-bits-a-sorties-en-courant-et-interface-spi\/","title":{"rendered":"Double CNA 18 bits \u00e0 sorties en courant et interface SPI"},"content":{"rendered":"<p align=\"left\" class=\"MsoBodyText\" style=\"text-align:left\">En plus d&rsquo;excellentes caract&eacute;ristiques en continu, ce convertisseur pr&eacute;sente un temps d&rsquo;&eacute;tablissement de 2,1 &micro;s, et une faible surface d&rsquo;impulsion de 0,4 nV.s (3V), 2 nV.s (5V), ce qui autorise la g&eacute;n&eacute;ration de signaux de sortie &agrave; plus faible niveau de bruit et de fr&eacute;quence plus &eacute;lev&eacute;e. Cette combinaison de caract&eacute;ristiques pr&eacute;cises en alternatif (AC) et en continu (DC) permet la conception de syst&egrave;mes plus performants pour les produits du secteur m&eacute;dical, l&rsquo;instrumentation, les &eacute;quipements de tests automatis&eacute;s, le contr&ocirc;le de processus et l&rsquo;automation industrielle.<br \/>\nLa caract&eacute;ristique SoftSpan &nbsp;autorise six gammes de tensions de sortie unipolaires et bipolaires jusqu&rsquo;&agrave; +\/-10 V. Les gammes de tensions de sortie incluent deux gammes de tensions unipolaires (0 &agrave; 5 V et 0 &agrave; 10 V) et quatre gammes de tensions bipolaires (+\/-10 V, +\/-5 V, +\/-2,5 V et &ndash;2,5 V &agrave; +7,5 V), pouvant &ecirc;tre s&eacute;lectionn&eacute;es par un logiciel ou une configuration de broches par cavalier. Ce circuit int&egrave;gre &eacute;galement des r&eacute;sistances de pr&eacute;cision pour chacun des CNA pour adapter la r&eacute;f&eacute;rence de tension, le gain et le d&eacute;calage bipolaire. Ceci &eacute;vite des r&eacute;sistances de pr&eacute;cision externes co&ucirc;teuses et des &eacute;tages de gain, am&eacute;liorant ainsi la production et l&rsquo;ajustement&nbsp;des stocks en temps r&eacute;el.<br \/>\nLe convertisseur communique via une interface s&eacute;rie SPI en entr&eacute;e\/sortie, bidirectionnelle, 3&nbsp;fils, qui autorise la relecture de n&rsquo;importe quel registre interne, aussi bien que les param&egrave;tres de configuration de l&rsquo;excursion de sortie du CNA. Les broches de r&eacute;glage du gain permettent &agrave; l&rsquo;utilisateur d&rsquo;annuler l&rsquo;erreur de gain ou de compenser les erreurs de la r&eacute;f&eacute;rence de tension.<br \/>\nLe LTC2758 est disponible en bo&icirc;tier LQFP- 48, de 7 x 7 mm, et peut &ecirc;tre &eacute;valu&eacute; gr&acirc;ce &agrave; la carte de d&eacute;monstration associ&eacute;e DC1684A.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTC2758\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LTC2758<\/a><span style=\"font-size:10.0pt;line-height:150%\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology pr\u00e9sente le LTC2758, un double convertisseur num\u00e9rique-analogique 18 bits \u00e0 sorties en courant, aux performances \u00e9lev\u00e9es, destin\u00e9 au march\u00e9 industriel. Ce circuit pr\u00e9sente des caract\u00e9ristiques DC (en continu) de pr\u00e9cision, avec des INL et DNL de +\/-1 LSB maxi, sur toute la gamme de temp\u00e9ratures. <\/p>\n","protected":false},"author":22,"featured_media":223384,"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-223383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Double CNA 18 bits \u00e0 sorties en courant et interface SPI ...<\/title>\n<meta name=\"description\" content=\"Linear Technology pr\u00e9sente le LTC2758, un double convertisseur num\u00e9rique-analogique 18 bits \u00e0 sorties en courant, aux performances \u00e9lev\u00e9es, destin\u00e9 au...\" \/>\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\/223383\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Double CNA 18 bits \u00e0 sorties en courant et interface SPI\" \/>\n<meta property=\"og:description\" content=\"Linear Technology pr\u00e9sente le LTC2758, un double convertisseur num\u00e9rique-analogique 18 bits \u00e0 sorties en courant, aux performances \u00e9lev\u00e9es, destin\u00e9 au march\u00e9 industriel. Ce circuit pr\u00e9sente des caract\u00e9ristiques DC (en continu) de pr\u00e9cision, avec des INL et DNL de +\/-1 LSB maxi, sur toute la gamme de temp\u00e9ratures.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/223383\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2012-01-12T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6040_ltc2758.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2041\" \/>\n\t<meta property=\"og:image:height\" content=\"1458\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews Europe\" \/>\n\t<meta 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