{"id":230940,"date":"2014-09-16T22:00:00","date_gmt":"2014-09-16T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseurs-a-n-sar-12-14-et-16-bits-ultra-compacts\/"},"modified":"2014-09-16T22:00:00","modified_gmt":"2014-09-16T22:00:00","slug":"convertisseurs-a-n-sar-12-14-et-16-bits-ultra-compacts","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseurs-a-n-sar-12-14-et-16-bits-ultra-compacts\/","title":{"rendered":"Convertisseurs A\/N SAR 12, 14 et 16 bits ultra-compacts"},"content":{"rendered":"<p>Avec une fr&eacute;quence d&rsquo;&eacute;chantillonnage de 1 M&eacute;ga-&eacute;chantillons par seconde (M&eacute;ch\/s), le convertisseur ADS7042 repousse les limites de taille et de consommation &eacute;lectrique. Il atteint cette fr&eacute;quence d&rsquo;&eacute;chantillonnage avec une simple horloge cadenc&eacute;e &agrave; 16 MHz ce qui permet de le connecter en toute transparence &agrave; la plupart des processeurs basse consommation. Ce composant miniature, en bo&icirc;tier QFN de seulement 1.5 x 1.5 mm, ne consomme que 690 &mu;W &agrave; plein r&eacute;gime, et sa consommation diminue avec la fr&eacute;quence d&rsquo;&eacute;chantillonnage pour atteindre des niveaux sans pr&eacute;c&eacute;dent lorsqu&rsquo;il est utilis&eacute; dans les syst&egrave;mes ultra-basse consommation. A la fr&eacute;quence de 1 k&eacute;ch\/s, par exemple, il consomme moins d&rsquo;1 &mu;W, ce qui permet de l&rsquo;int&eacute;grer dans des applications de t&eacute;l&eacute;surveillance et de r&eacute;cup&eacute;ration de l&rsquo;&eacute;nergie. Ce convertisseur convient &eacute;galement &agrave; de multiples applications industrielles, m&eacute;dicales ou grand public de faible encombrement.<\/p>\n<\/p>\n<p>La famille de convertisseurs double-voie ADS8354 comprend des CAN SAR 14 et 16 bits &agrave; &eacute;chantillonnage simultan&eacute; en petit bo&icirc;tier QFN de 3 x 3 mm. Avec des fr&eacute;quences d&rsquo;&eacute;chantillonnage comprises entre 600 k&eacute;ch\/s et 2 M&eacute;ch par voie sans temps de latence et des r&eacute;f&eacute;rences de tension internes duales pilot&eacute;es s&eacute;par&eacute;ment, cette famille est optimis&eacute;e pour le march&eacute; industriel, notamment les applications de contr&ocirc;le de moteur et de charge &agrave; courant continu, les r&eacute;seaux optiques, le contr&ocirc;le de la qualit&eacute; de l&rsquo;&eacute;nergie et l&rsquo;automatisation industrielle. Une interface flexible<strong> <\/strong>permet de r&eacute;aliser des applications de contr&ocirc;le de moteur rapide et sans temps de latence avec une simple horloge configurable sur 18 ou 32 MHz.\n<\/p>\n<hr \/>\n<p>Les concepteurs de syst&egrave;mes peuvent rapidement &eacute;valuer ces convertisseurs en utilisant les kits de d&eacute;monstration de performances (PDK) propri&eacute;taires qui s&rsquo;installent d&rsquo;un simple clic. Ces kits se composent d&rsquo;un module d&rsquo;&eacute;valuation (EVM) et d&rsquo;une simple carte de capture plug-and-play, ce qui &eacute;limine l&rsquo;installation de logiciels en ligne. De plus, l&rsquo;interface graphique conviviale et intuitive de ces kits acc&eacute;l&egrave;re encore l&rsquo;&eacute;valuation des performances des convertisseurs dans des &eacute;quipements cibles sp&eacute;cifiques.<br \/>\nCes CAN SAR sont fournis avec des mod&egrave;les SPICE qui facilitent la conception des circuits d&rsquo;attaque des r&eacute;f&eacute;rences de tension et d&rsquo;entr&eacute;e, ainsi que des mod&egrave;les IBIS con&ccedil;us pour effectuer des analyses temporelles.<br \/>\nLes topologies de r&eacute;f&eacute;rence TI Designs proposent une m&eacute;thodologie th&eacute;orique, de simulation, de calcul et de conception pour d&eacute;velopper ces CAN de haute pr&eacute;cision.<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.ti.com\/lsds\/ti\/data-converters\/precision-adc-less-10msps-sar-adcs.page?DCMP=smallads_eu&amp;HQS=tlead-dconv-pdc-hpa-pa-sar-smallads-pr-lp-eu\" target=\"_blank\" title=\"www.ti.com\/lsds\/ti\/data-converters\" rel=\"noopener\">www.ti.com\/lsds\/ti\/data-converters<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec ses convertisseurs analogique\/num\u00e9rique (CAN) \u00e0 registre d\u2019approximations successives (SAR) miniatures type ADS7042 12 bits et s\u00e9rie double voie ADS8354 14 et 16 bits, Texas Instruments permet aux concepteurs de syst\u00e8mes de r\u00e9duire les dimensions de leurs applications de surveillance et de contr\u00f4le industriel. En outre, une gamme d\u2019outils d\u2019\u00e9valuation facilite leur mise sur le march\u00e9.<\/p>\n","protected":false},"author":22,"featured_media":230941,"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-230940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseurs A\/N SAR 12, 14 et 16 bits ultra-compacts ...<\/title>\n<meta name=\"description\" content=\"Avec ses convertisseurs analogique\/num\u00e9rique (CAN) \u00e0 registre d\u2019approximations successives (SAR) miniatures type ADS7042 12 bits et s\u00e9rie double voie...\" \/>\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\/230940\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseurs A\/N SAR 12, 14 et 16 bits ultra-compacts\" \/>\n<meta property=\"og:description\" content=\"Avec ses convertisseurs analogique\/num\u00e9rique (CAN) \u00e0 registre d\u2019approximations successives (SAR) miniatures type ADS7042 12 bits et s\u00e9rie double voie ADS8354 14 et 16 bits, Texas Instruments permet aux concepteurs de syst\u00e8mes de r\u00e9duire les dimensions de leurs applications de surveillance et de contr\u00f4le industriel. 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