{"id":117126,"date":"2018-06-25T22:31:44","date_gmt":"2018-06-25T22:31:44","guid":{"rendered":"https:\/\/\/circuits-synthetiseurs-de-frequence-dhorloge-et-distributeurs-de-frequence-dhorloge\/"},"modified":"2018-06-25T22:31:44","modified_gmt":"2018-06-25T22:31:44","slug":"circuits-synthetiseurs-de-frequence-dhorloge-et-distributeurs-de-frequence-dhorloge","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuits-synthetiseurs-de-frequence-dhorloge-et-distributeurs-de-frequence-dhorloge\/","title":{"rendered":"Circuits synth\u00e9tiseurs de fr\u00e9quence d\u2019horloge et distributeurs de fr\u00e9quence d\u2019horloge"},"content":{"rendered":"<p>Ces produits sont appropri\u00e9s aux applications de&nbsp;synchronisation,&nbsp;de signaux d\u2019horloge&nbsp;des convertisseurs de donn\u00e9es tr\u00e8s rapides,&nbsp;en raison de leur architecture \u00e9volutive,&nbsp;dans le but de g\u00e9n\u00e9rer des milliers d\u2019horloges synchronis\u00e9es, \u00e0 bas&nbsp;niveau de gigue, chacune dot\u00e9e d\u2019un signal suppl\u00e9mentaire SYSREF.&nbsp;<\/p>\n<p>\u2022&nbsp;LTC6952:&nbsp;niveau de&nbsp;gigue&nbsp;tr\u00e8s bas,&nbsp;PLL&nbsp;4,5GHz,&nbsp;11&nbsp;sorties et conforme&nbsp;\u00e0 la norme&nbsp;JESD204B<\/p>\n<p>\u2022&nbsp;LTC6953:&nbsp;niveau de gigue tr\u00e8s bas, distributeur d\u2019horloge, 4,5GHz, 11 sorties et conforme \u00e0 la norme JESD204B<\/p>\n<p>\u2022&nbsp;LTC6955:&nbsp;niveau de gigue tr\u00e8s bas,&nbsp;7,5GHz,&nbsp;tampon&nbsp;11&nbsp;sorties&nbsp;parall\u00e8les&nbsp;<\/p>\n<p>\u2022&nbsp;LTC6955-1: LTC6955 dont une sortie est un diviseur de fr\u00e9quence par 2&nbsp;<\/p>\n<p>Le LTC6952&nbsp;est un composant de distribution et de g\u00e9n\u00e9ration d\u2019horloges, aux performances \u00e9lev\u00e9es, \u00e0 tr\u00e8s faible gigue, au standard JESD204B. Il comprend&nbsp;une boucle \u00e0 verrouillage de phase (PLL), qui consiste en un diviseur&nbsp;de&nbsp;fr\u00e9quence de&nbsp;r\u00e9f\u00e9rence, un d\u00e9tecteur de phase-fr\u00e9quence (PFD)&nbsp;avec indicateur de verrouillage, une pompe de charge \u00e0 tr\u00e8s bas niveau de bruit et un&nbsp;diviseur entier&nbsp;N. Les onze sorties du&nbsp;LTC6952&nbsp;peuvent \u00eatre configur\u00e9es en cinq paires d\u2019horloges\/SYSREF, au standard&nbsp;JESD204B sous-classe&nbsp;1,&nbsp;plus&nbsp;une sortie d\u2019usage g\u00e9n\u00e9ral, ou simplement en onze sorties&nbsp;d\u2019horloges d\u2019usage&nbsp;g\u00e9n\u00e9ral,&nbsp;pour les applications non au standard&nbsp;JESD204B.&nbsp;Chacune des sorties comprend son propre diviseur de fr\u00e9quence,&nbsp;programmable&nbsp;individuellement,&nbsp;et&nbsp;un contr\u00f4leur de sortie.&nbsp;Toutes les sorties peuvent \u00eatre synchronis\u00e9es et fix\u00e9es suivant un alignement de phase pr\u00e9cis en employant des retards&nbsp;individuels&nbsp;num\u00e9riques&nbsp;avec une r\u00e9solution d\u2019un&nbsp;demi-cycle&nbsp;et des retards&nbsp;analogiques plus fins.<\/p>\n<p>Tous les composants sont pr\u00e9sent\u00e9s dans un bo\u00eetier plastique QFN de 52 broches,&nbsp;7 mm \u00d7 8 mm. Le composant&nbsp;est con\u00e7u pour fonctionner avec une temp\u00e9rature de jonction de&nbsp;\u201340\u00b0C&nbsp;\u00e0&nbsp;125\u00b0C.&nbsp;Les sorties non utilis\u00e9es peuvent ne pas \u00eatre aliment\u00e9es. Les \u00e9chantillons et cartes d\u2019\u00e9valuation de tous les produits sont disponibles imm\u00e9diatement.&nbsp;<\/p>\n<p><a href=\"http:\/\/www.analog.com\/ltc6952?adicid=PRLS_EU_P98235\">www.analog.com\/ltc6952<\/a><\/p>\n<p><a href=\"http:\/\/www.analog.com\/ltc6953?adicid=PRLS_EU_P98235\">www.analog.com\/ltc6953<\/a><\/p>\n<p><a href=\"http:\/\/www.analog.com\/ltc6955?adicid=PRLS_EU_P98235\">www.analog.com\/ltc6955<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices annonce les LTC6952, LTC6953, LTC6955 et LTC6955-1, une famille de composants de distribution et de g\u00e9n\u00e9ration d\u2019horloges, aux performances \u00e9lev\u00e9es, \u00e0 bas niveau de gigue, pouvant r\u00e9pondre aux applications de synchronisation au standard JESD204B sous-classe 1, jusqu\u2019\u00e0 la fr\u00e9quence de 7,5GHz. <\/p>\n","protected":false},"author":9,"featured_media":117127,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-117126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuits synth\u00e9tiseurs de fr\u00e9quence d\u2019horloge et distribute...<\/title>\n<meta name=\"description\" content=\"Analog Devices annonce les LTC6952, LTC6953, LTC6955 et LTC6955-1, une famille de composants de distribution et de g\u00e9n\u00e9ration d\u2019horloges, aux...\" \/>\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\/117126\/\" \/>\n<meta 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