{"id":224933,"date":"2012-08-20T22:00:00","date_gmt":"2012-08-20T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/multiplexeurs-a-tres-faible-injection-de-charge-et-courant-de-fuite-tres-bas\/"},"modified":"2012-08-20T22:00:00","modified_gmt":"2012-08-20T22:00:00","slug":"multiplexeurs-a-tres-faible-injection-de-charge-et-courant-de-fuite-tres-bas","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/multiplexeurs-a-tres-faible-injection-de-charge-et-courant-de-fuite-tres-bas\/","title":{"rendered":"Multiplexeurs \u00e0 tr\u00e8s faible injection de charge et courant de fuite tr\u00e8s bas"},"content":{"rendered":"

Ces circuits fonctionnent sous une tension comprise entre ±9 V et ±22 V dans les applications où le signal analogique est bipolaire, et entre +9 V et +40 V dans les applications où le signal analogique est unipolaire. L’isolation par tranchées entre les transistors à canal N et canal P de chaque commutateur CMOS garantit la protection contre l’effet "latch-up", un phénomène indésirable qui verrouille le composant à l’état passant jusqu’à ce que l’alimentation soit coupée et qui peut entraîner une défaillance de l’appareil.<\/p>\n

L’injection de charge ultra-basse de 0,35 pC permet d’utiliser ces deux circuits dans des applications d’acquisition de données et des montages échantillonneurs-bloqueurs qui requièrent des impulsions transitoires (glitch) peu élevées et des temps d’établissement de courte durée. Le faible courant de fuite de seulement 20 pA assure un haut niveau de précision et de résolution, ce qui constitue un atout dans le routage de signaux audio et vidéo. <\/p>\n

Ces deux composants sont encapsulés en boîtiers TSSOP et LFCSP  à 28 contacts et sont spécifiés pour un fonctionnement entre −40 °C et +125 °C.<\/p>\n

 <\/p>\n

www.analog.com\/ADG5206<\/a><\/p>\n

www.analog.com\/ADG5207<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Compl\u00e9tant la gamme de produits de protection d\u2019Analog Devices, les multiplexeurs ADG5206 \u00e0 16 voies et ADG5207 \u00e0 8 voies diff\u00e9rentielles sont con\u00e7us pour garantir une protection au \u00ab\u00a0latch-up\u00a0\u00bb dans les applications industrielles, d\u2019instrumentation et de contr\u00f4le de processus en tensions \u00e9lev\u00e9es.<\/p>\n","protected":false},"author":22,"featured_media":224934,"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-224933","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Multiplexeurs \u00e0 tr\u00e8s faible injection de charge et courant de...<\/title>\n<meta name=\"description\" content=\"Compl\u00e9tant la gamme de produits de 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