{"id":225552,"date":"2012-11-06T23:00:00","date_gmt":"2012-11-06T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/amplificateur-buffer-differentiel-vrai-pouvant-controler-une-charge-de-50-ohms\/"},"modified":"2012-11-06T23:00:00","modified_gmt":"2012-11-06T23:00:00","slug":"amplificateur-buffer-differentiel-vrai-pouvant-controler-une-charge-de-50-ohms","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateur-buffer-differentiel-vrai-pouvant-controler-une-charge-de-50-ohms\/","title":{"rendered":"Amplificateur buffer, diff\u00e9rentiel vrai pouvant contr\u00f4ler une charge de 50 Ohms"},"content":{"rendered":"<p>A 140MHz, l&rsquo;OIP3, point d&rsquo;interception de sortie &agrave; -3dB, est de 46dBm, et l&rsquo;HD3, distorsion harmonique &agrave; -3dB, est de -69dBc avec une excursion de la tension de sortie de 2,4Vcc pour une charge de 50 Ohms.<br \/>\nEn plus de ses sp&eacute;cifications remarquables, le LTC6417 comprend plusieurs caract&eacute;ristiques destin&eacute;es &agrave; simplifier l&rsquo;interfa&ccedil;age avec les CAN. La configuration interne du LTC6417 est celle d&rsquo;un amplificateur buffer &agrave; gain unit&eacute;. En raison de son imp&eacute;dance d&rsquo;entr&eacute;e de 18,5 kohm, des gains suppl&eacute;mentaires peuvent &ecirc;tre r&eacute;alis&eacute;s en ajoutant un transformateur de rapports 1&nbsp;&agrave; 4 ou 1&nbsp;&agrave; 8 sur ses entr&eacute;es. Sa faible imp&eacute;dance de sortie s&rsquo;adapte &agrave; la charge capacitive&nbsp;commune aux CAN pipelines. Des &eacute;cr&ecirc;tages rapides du niveau de sortie peuvent &ecirc;tre programm&eacute;s via une seule broche pour &eacute;viter des d&eacute;passements pour le CAN. Une broche de d&eacute;passement indique quand les &eacute;cr&ecirc;tages limitent la tension de sortie. Une broche de mode commun en sortie facilite l&rsquo;ad&eacute;quation entre l&rsquo;excursion de la tension de sortie du LTC6417 et la gamme de tensions d&rsquo;entr&eacute;e du CAN.<br \/>\nLe LTC6417 fonctionne sur une seule alimentation de 5 V. Une broche PWRADJ permet au concepteur de&nbsp;n&eacute;gocier la consommation de puissance selon la performance HD3. Cette caract&eacute;ristique permet de r&eacute;duire de fa&ccedil;on dynamique le courant d&rsquo;alimentation de 123 mA &agrave; 74 mA, et un mode arr&ecirc;t r&eacute;duit davantage la consommation &agrave; 24mA.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br \/>\nLe LTC6417 est disponible en un bo&icirc;tier QFN, 3mm x 4mm, avec un brochage de sortie&nbsp;d&rsquo;utilisation facile. Il est enti&egrave;rement sp&eacute;cifi&eacute; pour fonctionner de 0&deg;C &agrave; 70&deg;C et dans les gammes de temp&eacute;rature de bo&icirc;tier&nbsp;de -40&deg;C &agrave; 105&deg;C. \n<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/ltc6417\" target=\"_blank\" title=\"www.linear.com\/product\/LTC6417\" rel=\"noopener\">www.linear.com\/product\/LTC<\/a>6417<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology pr\u00e9sente le LTC6417, un amplificateur buffer, diff\u00e9rentiel vrai, avec un niveau de bruit de sortie de seulement de 1,5nV\/\u00d6Hz. Le LTC6417 peut piloter une charge de 50 Ohms et est optimis\u00e9 pour contr\u00f4ler des CAN pipelines de 14 bits et 16 bits. Ses entr\u00e9es peuvent accepter les signaux continus ou alternatifs, et il r\u00e9alise d&rsquo;excellentes performances quant \u00e0 la distorsion des signaux jusqu&rsquo;\u00e0 et au-del\u00e0 de 600MHz.<\/p>\n","protected":false},"author":22,"featured_media":225553,"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-225552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Amplificateur buffer, diff\u00e9rentiel vrai pouvant contr\u00f4ler une...<\/title>\n<meta name=\"description\" content=\"Linear Technology pr\u00e9sente le LTC6417, un amplificateur buffer, diff\u00e9rentiel vrai, avec un niveau de bruit de sortie de seulement de 1,5nV\/\u00d6Hz. Le LTC6417...\" \/>\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\/225552\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amplificateur buffer, diff\u00e9rentiel vrai pouvant contr\u00f4ler une charge de 50 Ohms\" \/>\n<meta property=\"og:description\" content=\"Linear Technology pr\u00e9sente le LTC6417, un amplificateur buffer, diff\u00e9rentiel vrai, avec un niveau de bruit de sortie de seulement de 1,5nV\/\u00d6Hz. Le LTC6417 peut piloter une charge de 50 Ohms et est optimis\u00e9 pour contr\u00f4ler des CAN pipelines de 14 bits et 16 bits. Ses entr\u00e9es peuvent accepter les signaux continus ou alternatifs, et il r\u00e9alise d&#039;excellentes performances quant \u00e0 la distorsion des signaux jusqu&#039;\u00e0 et au-del\u00e0 de 600MHz.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/225552\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2012-11-06T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci3372_ltc6417.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2027\" \/>\n\t<meta property=\"og:image:height\" content=\"1448\" \/>\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\" 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