{"id":227806,"date":"2013-08-26T22:00:00","date_gmt":"2013-08-26T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/amplificateur-60-v-a-derive-nulle-et-faible-niveau-de-bruit\/"},"modified":"2013-08-26T22:00:00","modified_gmt":"2013-08-26T22:00:00","slug":"amplificateur-60-v-a-derive-nulle-et-faible-niveau-de-bruit","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateur-60-v-a-derive-nulle-et-faible-niveau-de-bruit\/","title":{"rendered":"Amplificateur 60 V \u00e0 d\u00e9rive nulle et faible niveau de bruit"},"content":{"rendered":"<p>Avec un d&eacute;calage du z&eacute;ro de la tension d&rsquo;entr&eacute;e de 5 &micro;V, une d&eacute;rive de ce d&eacute;calage du z&eacute;ro de tension de 0,025 &micro;V\/&deg;C et un niveau de bruit basse fr&eacute;quence de 220 nVcr&ecirc;te &agrave; cr&ecirc;te, sans bruit 1\/f, ces amplificateurs pr&eacute;sentent une dynamique sup&eacute;rieure &agrave; 140 dB, tout en fonctionnant sur une alimentation de 60 V (&plusmn;30 V) ou de 30 V (&plusmn;15 V). Cette large dynamique permet l&rsquo;amplification de petits signaux, en pr&eacute;sence de signaux plus forts, sans saturation de l&rsquo;amplificateur ou perte de pr&eacute;cision.<br \/>\nSp&eacute;cifi&eacute;s sur la gamme de temp&eacute;ratures de -40 &deg;C &agrave; +125 &deg;C, les deux versions offrent une combinaison optimale de caract&eacute;ristiques avec un faible niveau de bruit en tension, en courant et en courant de polarisation d&rsquo;entr&eacute;e, tandis que l&rsquo;architecture &agrave; d&eacute;rive de tension nulle annule le bruit 1\/f. Les artefacts parasites, normalement associ&eacute;s aux amplificateurs &agrave; d&eacute;rive de tension nulle, sont supprim&eacute;s, ce qui &eacute;tend la dynamique, la stabilit&eacute; et la largeur de bande du signal utile. La gamme de tension d&rsquo;entr&eacute;e en mode commun inclut la tension d&rsquo;alimentation n&eacute;gative et la dynamique de la tension de sortie est &quot;rail-to-rail&quot;, ce qui rend ces circuits bien adapt&eacute;s aux applications industrielles &agrave; une et deux alimentations pour l&rsquo;instrumentation et pour l&rsquo;automobile.<br \/>\nCes amplificateurs fonctionnent sur des alimentations de 4,75 V minimum et sont enti&egrave;rement sp&eacute;cifi&eacute;s sur les gammes de temp&eacute;ratures de -40 &deg;C &agrave; +85 &deg;C et de -40 &deg;C &agrave; +125 &deg;C. Ils peuvent &ecirc;tre encapsul&eacute;s en bo&icirc;tiers DFN-8 de 3 x 3 mm, MSOP-8 et SOIC-8, ainsi qu&rsquo;en bo&icirc;tier MSOP-10 avec un brochage qui permet l&rsquo;installation d&rsquo;un anneau de garde en entr&eacute;e pour pr&eacute;server les performances relatives &agrave; la haute pr&eacute;cision et au faible niveau de bruit aux sources &agrave; haute imp&eacute;dance. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LTC2057\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/ltc2057\" rel=\"noopener\">www.linear.com\/product\/LTC2057<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amplificateur op\u00e9rationnel \u00e0 d\u00e9rive de tension nulle, le LTC2057HV de Linear Technology fonctionne sur une alimentation de 60 V et poss\u00e8de des circuits d\u2019auto-calibrage qui procurent une haute pr\u00e9cision en continu et une grande stabilit\u00e9 en fonction des variations de la temp\u00e9rature, de la dur\u00e9e, de la gamme de tensions d\u2019entr\u00e9e et de la tension d\u2019alimentation. Pour les applications n\u00e9cessitant des tensions d\u2019alimentation jusqu\u2019\u00e0 36 V, la version LTC2057, de plus faible tension d\u2019entr\u00e9e, est propos\u00e9e.<\/p>\n","protected":false},"author":22,"featured_media":227807,"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-227806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Amplificateur 60 V \u00e0 d\u00e9rive nulle et faible niveau de bruit ...<\/title>\n<meta name=\"description\" content=\"Amplificateur op\u00e9rationnel \u00e0 d\u00e9rive de tension nulle, le LTC2057HV de Linear Technology fonctionne sur une alimentation de 60 V et poss\u00e8de des circuits...\" \/>\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\/227806\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amplificateur 60 V \u00e0 d\u00e9rive nulle et faible niveau de bruit\" \/>\n<meta property=\"og:description\" content=\"Amplificateur op\u00e9rationnel \u00e0 d\u00e9rive de tension nulle, le LTC2057HV de Linear Technology fonctionne sur une alimentation de 60 V et poss\u00e8de des circuits d\u2019auto-calibrage qui procurent une haute pr\u00e9cision en continu et une grande stabilit\u00e9 en fonction des variations de la temp\u00e9rature, de la dur\u00e9e, de la gamme de tensions d\u2019entr\u00e9e et de la tension d\u2019alimentation. Pour les applications n\u00e9cessitant des tensions d\u2019alimentation jusqu\u2019\u00e0 36 V, la version LTC2057, de plus faible tension d\u2019entr\u00e9e, est propos\u00e9e.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/227806\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-08-26T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6558_linear_ltc2057hv.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1774\" \/>\n\t<meta property=\"og:image:height\" content=\"1267\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews 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