{"id":191850,"date":"2016-11-17T00:00:00","date_gmt":"2016-11-17T00:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/des-capteurs-de-temperature-precis-jusqua-40-c\/"},"modified":"2016-11-17T00:00:00","modified_gmt":"2016-11-17T00:00:00","slug":"des-capteurs-de-temperature-precis-jusqua-40-c","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-capteurs-de-temperature-precis-jusqua-40-c\/","title":{"rendered":"Des capteurs de temp\u00e9rature pr\u00e9cis jusqu&rsquo;\u00e0 -40 \u00b0C"},"content":{"rendered":"<p>Les mod\u00e8les MCP9902 et MCP9903 offrent respectivement 2 et 3 canaux alors que le MCP9904 en propose 4 pour les applications de mesure de basse temp\u00e9rature compatibles I2C\/SMBus.<\/p>\n<p>Outre cette mesure de temp\u00e9rature \u00e0 deux, trois ou quatre canaux, ce capteur constitue une solution compacte qui int\u00e8gre des caract\u00e9ristiques avanc\u00e9es telles que la correction d&rsquo;erreur de la r\u00e9sistance pour compenser les chutes de tension et un filtre avec saut de fr\u00e9quence d&rsquo;\u00e9chantillonnage. Ces caract\u00e9ristiques assurent une mesure ultra pr\u00e9cise de temp\u00e9rature \u00e0 l&rsquo;aide d&rsquo;une diode externe situ\u00e9e \u00e0 une distance pouvant atteindre une trentaine de m\u00e8tres, tout en minimisant le bruit inject\u00e9 dans le syst\u00e8me, ce qui simplifie l&rsquo;agencement de la carte.<\/p>\n<p>Ces composants se pr\u00e9sentent en petits bo\u00eetiers WDFN-8 de 2 x 2 mm pour la version 2 canaux et en VDFN-10 de 3 x 3 mm pour les 3 et 4 canaux.<\/p>\n<p>La carte sp\u00e9cifique ADM00615 permet l&rsquo;\u00e9valuation \u00e0 l&rsquo;aide du capteur de temp\u00e9rature num\u00e9rique \u00e0 double canal. Elle montre comment relever la temp\u00e9rature via le SMBus, avec deux alertes.<\/p>\n<p><a href=\"http:\/\/www.microchip.com\/EUMCP990X\" target=\"_blank\" rel=\"noopener\">www.microchip.com\/EUMCP990X<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dot\u00e9 d&rsquo;une pr\u00e9cision locale atteignant \u00b1 1\u00b0C sur une plage de temp\u00e9rature allant de \u201040 \u00b0C \u00e1 +65 \u00b0C, et d&rsquo;une pr\u00e9cision distante de \u00b1 1\u00b0C \u00e9tendue jusqu&rsquo;\u00e0 +105\u00b0C, le capteur de temp\u00e9rature num\u00e9rique s\u00e9rie MCP990X de Microchip offre des solutions \u00e9conomiques et flexibles pour les environnements ext\u00e9rieurs ou industriels.<\/p>\n","protected":false},"author":9,"featured_media":191851,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[910],"domains":[47],"ppma_author":[1141],"class_list":["post-191850","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-sensing-conditioning-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des capteurs de temp\u00e9rature pr\u00e9cis jusqu&#039;\u00e0 -40 \u00b0C ...<\/title>\n<meta name=\"description\" content=\"Dot\u00e9 d&#039;une pr\u00e9cision locale atteignant \u00b1 1\u00b0C sur une plage de temp\u00e9rature allant de \u201040 \u00b0C \u00e1 +65 \u00b0C, et d&#039;une pr\u00e9cision distante de \u00b1 1\u00b0C...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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