{"id":222959,"date":"2011-11-15T23:00:00","date_gmt":"2011-11-15T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/amplificateur-operationnel-haute-tension-a-reglage-automatique-de-zero\/"},"modified":"2011-11-15T23:00:00","modified_gmt":"2011-11-15T23:00:00","slug":"amplificateur-operationnel-haute-tension-a-reglage-automatique-de-zero","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateur-operationnel-haute-tension-a-reglage-automatique-de-zero\/","title":{"rendered":"Amplificateur op\u00e9rationnel haute tension \u00e0 r\u00e9glage automatique de z\u00e9ro"},"content":{"rendered":"<p class=\"MsoNormal\">Cet amplificateur accueille la technologie propri&eacute;taire de r&eacute;glage automatique du z&eacute;ro qui lui permet de s&rsquo;autocalibrer en continu et de conserver la pr&eacute;cision du syst&egrave;me dans le temps et face aux fluctuations de temp&eacute;rature et d&rsquo;alimentation. Le faible d&eacute;calage de tension sur l&rsquo;entr&eacute;e de 6&nbsp;&mu;V max, et la faible d&eacute;rive de tension en temp&eacute;rature de 19&nbsp;nV\/&deg;C max lui apportent une haute pr&eacute;cision sur les plages de fonctionnement de 2,7 V &agrave; 20 V en tension et de -40 &deg;C &agrave; +125 &deg;C en temp&eacute;rature. Son taux de r&eacute;jection d&rsquo;alimentation, celui de mode commun et son gain en boucle ouverte sur les grands signaux d&eacute;passent 135&nbsp;dB &agrave; +25&deg;C. Ces caract&eacute;ristiques am&eacute;liorent la pr&eacute;cision du syst&egrave;me et minimise les erreurs lors du conditionnement du signal. La largeur de la plage de tension b&eacute;n&eacute;ficiant de cette pr&eacute;cision donne &agrave; cet amplificateur une grande souplesse d&rsquo;emploi pour une large palette de conceptions et d&rsquo;applications.<br \/>\nCe circuit int&egrave;gre &eacute;galement d&rsquo;excellents filtres IEM qui &eacute;liminent les signaux RF ind&eacute;sirables souvent rencontr&eacute;s dans les applications industrielles et m&eacute;dicales. Il offre un haut rendement et une faible consommation sans sacrifier la performance. Cette faible consommation de 1,15&nbsp;mA par canal conduit &agrave; l&rsquo;excellent produit gain bande de 10&nbsp;MHz et au bruit ultra faible de 5,9&nbsp;nV\/&radic;Hz &nbsp;en tension par r&eacute;f&eacute;rence &agrave; l&rsquo;entr&eacute;e. Cet ampli-op convient donc id&eacute;alement aux applications haute tension qui exigent un bruit faible et une tr&egrave;s grande pr&eacute;cision DC, comme l&rsquo;interfa&ccedil;age des capteurs de pression, des jauges de contraintes, des &eacute;chelles de poids de pr&eacute;cision, et l&rsquo;instrumentation m&eacute;dicale. Il est propos&eacute; en bo&icirc;tier SOT23 et en bo&icirc;tier propri&eacute;taire &micro;MAX &agrave; 8 broches.<\/p>\n<p class=\"MsoNormal\"><a href=\"http:\/\/www.maxim-ic.com\/control-auto\">http:\/\/www.maxim-ic.com\/control-auto<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Maxim Integrated Products introduit le MAX44251, un double ampli-op 20 V faible bruit ultra pr\u00e9cis qui am\u00e9liore le taux de fonctionnement\/ maintenance du syst\u00e8me et maximise la performance des capteurs.<\/p>\n","protected":false},"author":22,"featured_media":222960,"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-222959","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Amplificateur 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