{"id":5661,"date":"2021-10-08T05:28:07","date_gmt":"2021-10-08T05:28:07","guid":{"rendered":"https:\/\/\/amplificateurs-operationnels-offrant-une-immunite-au-bruit-de-premier-ordre\/"},"modified":"2021-10-08T05:28:07","modified_gmt":"2021-10-08T05:28:07","slug":"amplificateurs-operationnels-offrant-une-immunite-au-bruit-de-premier-ordre","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateurs-operationnels-offrant-une-immunite-au-bruit-de-premier-ordre\/","title":{"rendered":"Amplificateurs op\u00e9rationnels offrant une immunit\u00e9 au bruit de premier ordre"},"content":{"rendered":"<p>Au cours des derni\u00e8res ann\u00e9es, des avanc\u00e9es dans l\u2019\u00e9lectrification et la densit\u00e9 de montage ont augment\u00e9 la quantit\u00e9 de bruit ambiant dans les v\u00e9hicules \u00e9lectriques et les voitures \u00e9quip\u00e9es d\u2019un syst\u00e8me ADAS. En g\u00e9n\u00e9ral, cependant, il est extr\u00eamement difficile d\u2019effectuer une \u00e9valuation du bruit sur des cartes et des syst\u00e8mes individuels pendant le d\u00e9veloppement automobile. Elle doit donc \u00eatre effectu\u00e9e apr\u00e8s l\u2019assemblage. En outre, certains r\u00e9sultats n\u00e9cessitent des am\u00e9liorations telles que des contre-mesures IEM \u00e0 grande \u00e9chelle pour r\u00e9duire le bruit. Pour y r\u00e9pondre, ROHM a lanc\u00e9 en 2017 la s\u00e9rie EMARMOUR qui a depuis \u00e9t\u00e9 bien accueillie sur les march\u00e9s automobiles et industriels en raison de son immunit\u00e9 au bruit sup\u00e9rieure qui r\u00e9duit les ressources de conception en combinant un syst\u00e8me de production verticalement int\u00e9gr\u00e9 avec une technologie de conception analogique propri\u00e9taire.<br \/>\nLa s\u00e9rie EMARMOUR est con\u00e7ue pour \u00e9viter les dysfonctionnements dus au bruit sans avoir besoin de prendre des mesures d\u2019application sp\u00e9ciales. La s\u00e9rie BD8758xY, en particulier, a d\u00e9montr\u00e9 des performances sup\u00e9rieures lors de quatre tests internationaux d\u2019\u00e9valuation du bruit. Par exemple, dans les essais d\u2019\u00e9missions d\u2019ondes radio ISO 11452-2 effectu\u00e9s par les constructeurs de v\u00e9hicules, la tension de sortie des produits standard fluctue de plus de \u00b1300 mV dans toutes les bandes de fr\u00e9quences, alors que la nouvelle s\u00e9rie BD8758xY r\u00e9alise \u00b110 mV ou moins. Dans le m\u00eame temps, la structure des \u00e9l\u00e9ments CMOS permet une amplification pr\u00e9cise et \u00e0 grande vitesse du signal, sans \u00eatre affect\u00e9e par le bruit externe lorsqu\u2019elle est install\u00e9e \u00e0 l\u2019int\u00e9rieur des applications de capteurs cibl\u00e9es. Cela am\u00e9liore consid\u00e9rablement la fiabilit\u00e9 tout en r\u00e9duisant les heures de production de conception dans un large \u00e9ventail d\u2019applications, y compris les syst\u00e8mes de d\u00e9tection d\u2019anomalies.<\/p>\n<p><a href=\"http:\/\/www.rohm.com\/eu\" target=\"_blank\" rel=\"noopener\">www.rohm.com\/eu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ROHM a d\u00e9velopp\u00e9 la s\u00e9rie BD8758xY des amplificateurs op\u00e9rationnels d\u2019entr\u00e9e\/sortie de rail \u00e0 rail CMOS \u00e0 grande vitesse. Ces appareils disposent d\u2019une immunit\u00e9 IEM am\u00e9lior\u00e9e pour les applications d\u2019\u00e9quipements automobiles et industriels n\u00e9cessitant une d\u00e9tection \u00e0 grande vitesse dans des environnements difficiles, tels que les unit\u00e9s de commande de moteur de v\u00e9hicule et les syst\u00e8mes de d\u00e9tection d\u2019anomalies pour les \u00e9quipements d\u2019automatisation d\u2019usine. <\/p>\n","protected":false},"author":9,"featured_media":5662,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-5661","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Amplificateurs op\u00e9rationnels offrant une immunit\u00e9 au bruit de...<\/title>\n<meta name=\"description\" content=\"ROHM a d\u00e9velopp\u00e9 la s\u00e9rie BD8758xY des amplificateurs op\u00e9rationnels d\u2019entr\u00e9e\/sortie de rail \u00e0 rail CMOS \u00e0 grande vitesse. Ces appareils disposent...\" \/>\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\/5661\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amplificateurs op\u00e9rationnels offrant une immunit\u00e9 au bruit de premier ordre\" \/>\n<meta property=\"og:description\" content=\"ROHM a d\u00e9velopp\u00e9 la s\u00e9rie BD8758xY des amplificateurs op\u00e9rationnels d\u2019entr\u00e9e\/sortie de rail \u00e0 rail CMOS \u00e0 grande vitesse. Ces appareils disposent d\u2019une immunit\u00e9 IEM am\u00e9lior\u00e9e pour les applications d\u2019\u00e9quipements automobiles et industriels n\u00e9cessitant une d\u00e9tection \u00e0 grande vitesse dans des environnements difficiles, tels que les unit\u00e9s de commande de moteur de v\u00e9hicule et les syst\u00e8mes de d\u00e9tection d\u2019anomalies pour les \u00e9quipements d\u2019automatisation d\u2019usine.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/5661\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-08T05:28:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci9710_rohm.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2126\" \/>\n\t<meta property=\"og:image:height\" content=\"1535\" \/>\n\t<meta property=\"og:image:type\" 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