{"id":107830,"date":"2018-10-03T22:10:44","date_gmt":"2018-10-03T22:10:44","guid":{"rendered":"https:\/\/\/convertisseur-temps-numerique-pour-les-systemes-laser-a-faisceau-simple\/"},"modified":"2018-10-03T22:10:44","modified_gmt":"2018-10-03T22:10:44","slug":"convertisseur-temps-numerique-pour-les-systemes-laser-a-faisceau-simple","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-temps-numerique-pour-les-systemes-laser-a-faisceau-simple\/","title":{"rendered":"Convertisseur temps-num\u00e9rique pour les syst\u00e8mes laser \u00e0 faisceau simple"},"content":{"rendered":"

 Il permet de mesurer le temps de vol (Time-of-Flight) des signaux optiques avec une pr\u00e9cision de 20 ps par canal ou de 10 ps en mode haute r\u00e9solution double canal, et offre une frequence d\u2019echantillonage allan jusqu\u2019a 70 M d’\u00e9chantillons\/s. <\/p>\n

Les syst\u00e8mes laser \u00e0 faisceau simple bas\u00e9s sur l’AS6501, pr\u00e9cis et rapide, peuvent produire des aper\u00e7us extr\u00eamement fins  et d\u00e9taill\u00e9s des objets dans le champ de vision : une exigence essentielle des nouveaux syst\u00e8mes de conduite assist\u00e9e et autonome dans les v\u00e9hicules (ADAS). Les syst\u00e8mes d’imagerie m\u00e9dicale de tomographie par \u00e9mission de positons (TEP) peuvent \u00e9galement utiliser l’AS6501 pour produire des images extr\u00eamement d\u00e9taill\u00e9es du corps d’un patient.<\/p>\n

En optimisant l’AS6501 pour des applications \u00e0 faisceau simple, ams a r\u00e9ussi \u00e0 combiner de tr\u00e8s grandes performances dans \u00e0 un ecombrement r\u00e9duit. En effet,  l’AS6501 double canal est livr\u00e9 dans un bo\u00eetier QFP48 mesurant seulement 7 mm x 7 mm, soit une r\u00e9duction de 40 % de l’encombrement par rapport \u00e0 son \u00e9quivalent quatre canaux, le TDC-GPX2. L’AS6501, qui inclut la logique embarqu\u00e9e pour mesurer l’intervalle de temps entre les signaux Marche\/Arr\u00eat nerequiert que peu de composants externes. <\/p>\n

Sa consommation d’\u00e9nergie est pr\u00e8s de dix fois inf\u00e9rieure \u00e0 celle des TDC concurrents avec le m\u00eame degr\u00e9 de pr\u00e9cision : dans des conditions normales, elle est seulement de 450 mW avec une tension d’alimentation de 3,3 V. Le courant de veille est de 60 \u00b5A. <\/p>\n

L’AS6501 peut \u00e9galement \u00eatre utilis\u00e9 dans des conceptions bas\u00e9es sur un microcontr\u00f4leur qui requiert une interface p\u00e9riph\u00e9rique s\u00e9rielle (SPI). L’AS6501 est dot\u00e9 d’un SPI \u00e0 quatre fils pour les param\u00e8tres de configuration, qui peut \u00e9galement servir \u00e0 la lecture des donn\u00e9es. <\/p>\n

www.ams.com\/time-to-digital-converter\/AS6501<\/a>. <\/p>\n

Des capteurs COV pour le contr\u00f4le de la qualit\u00e9 d\u2019air indoor<\/a><\/h3>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Propos\u00e9 par ams, le convertisseur AS6501 est \u00e9quip\u00e9 d’interfaces LVDS \u00e0 grande vitesse pour les signaux Marche\/Arr\u00eat de la source lumineuse des\u00e9quipements optiques\/scanners ainsi que pour les sorties de mesures.<\/p>\n","protected":false},"author":9,"featured_media":107831,"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-107830","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Convertisseur temps-num\u00e9rique pour les syst\u00e8mes laser \u00e0 fais...<\/title>\n<meta name=\"description\" content=\"Propos\u00e9 par ams, le convertisseur AS6501 est \u00e9quip\u00e9 d'interfaces LVDS \u00e0 grande vitesse pour les signaux Marche\/Arr\u00eat de la source lumineuse...\" \/>\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\/107830\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur temps-num\u00e9rique pour les syst\u00e8mes laser \u00e0 faisceau simple\" \/>\n<meta property=\"og:description\" content=\"Propos\u00e9 par ams, le convertisseur AS6501 est \u00e9quip\u00e9 d'interfaces LVDS \u00e0 grande vitesse pour les signaux Marche\/Arr\u00eat de la source lumineuse des\u00e9quipements optiques\/scanners ainsi que pour les sorties de mesures.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/107830\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" 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