{"id":233376,"date":"2015-06-11T22:00:00","date_gmt":"2015-06-11T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/capteur-magnetique-3d-omnipolaire-a-technologie-hall-verticale\/"},"modified":"2015-06-11T22:00:00","modified_gmt":"2015-06-11T22:00:00","slug":"capteur-magnetique-3d-omnipolaire-a-technologie-hall-verticale","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteur-magnetique-3d-omnipolaire-a-technologie-hall-verticale\/","title":{"rendered":"Capteur magn\u00e9tique 3D omnipolaire \u00e0 technologie Hall verticale"},"content":{"rendered":"<p>Les caract&eacute;ristiques omnipolaires et bidirectionnelles de ce circuit le rendent particuli&egrave;rement bien adapt&eacute; pour d&eacute;tecter des champs magn&eacute;tiques frauduleux dans des applications telles que la mesure d&rsquo;&eacute;nergie, la distribution de billets, les machines &agrave; sous et les serrures &eacute;lectroniques. Il peut &eacute;galement s&rsquo;utiliser de fa&ccedil;on plus conventionnelle en tant que simple capteur de pr&eacute;sence dans des applications telles que les jeux, l&rsquo;&eacute;lectronique grand public et le march&eacute; blanc.<br \/>\nCe petit circuit en boitier SOT-23 est fonctionnellement &eacute;quivalent &agrave; un r&eacute;seau de 3 capteurs classiques assembl&eacute;s suivant 3 axes diff&eacute;rents, un tel r&eacute;sultat &eacute;tant impossible via un seul capteur traditionnel. Gr&acirc;ce &agrave; un seuil de commutation magn&eacute;tique typique de 25G, ce dispositif poss&egrave;de une meilleure sensibilit&eacute; que la plupart des capteurs conventionnels offrant ainsi de meilleures performances, un encombrement et un co&ucirc;t d&rsquo;assemblage r&eacute;duits dans des applications de d&eacute;tection de champs frauduleux.<br \/>\nChaque circuit int&egrave;gre une puce de silicium comprenant 3 &eacute;l&eacute;ments Hall sensibles, un amplificateur petits signaux, un circuit de stabilisation &quot;chopper&quot;, un comparateur de type Trigger de Schmitt et une ou plusieurs sorties en collecteur ouvert. La technique propri&eacute;taire de compensation dynamique d&rsquo;offset garantit que les caract&eacute;ristiques magn&eacute;tiques du circuit sont sp&eacute;cifi&eacute;es sur toute la gamme de temp&eacute;rature et de tension d&rsquo;entr&eacute;e.<\/p>\n<hr \/>\n<p>Con&ccedil;u pour fonctionner dans des &eacute;quipements faible consommation ou aliment&eacute;s sur batterie, ce composant peut s&rsquo;alimenter de 2.5 V &agrave; 5 V pour une consommation moyenne de seulement 7.5 &micro;A sous 2.5 V. Sa gamme de fonctionnement en temp&eacute;rature s&rsquo;&eacute;tend de -40 &deg;C &agrave; +85 &deg;C.<br \/>\nDeux d&eacute;clinaisons sont possibles, l&rsquo;une &agrave; trois sorties distinctes indiquant individuellement l&rsquo;&eacute;tat de chaque &eacute;l&eacute;ment sensible, l&rsquo;autre &agrave; une seule sortie indiquant l&rsquo;&eacute;tat d&rsquo;au moins un des trois &eacute;l&eacute;ments sensibles.<br \/>\nPropos&eacute; sous le suffixe LH en bo&icirc;tier CMS SOT23W &agrave; 5 pattes, une version d&eacute;riv&eacute;e du SOT23, ce composant est garanti sans plomb, compatible aux normes RoHS avec une finition 100% &eacute;tain mat.<\/p>\n<p><a title=\"www.allegromicro.com\/A1266\" target=\"_blank\" href=\"http:\/\/www.allegromicro.com\/en\/Products\/Magnetic-Digital-Position-Sensor-ICs\/Micropower-Switches-Latches\/A1266.aspx\" rel=\"noopener\">www.allegromicro.com\/A1266<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Circuit hautement sensible, le A1266 d\u2019Allegro Microsystems est un capteur unique 3 dimensions int\u00e9grant des cellules \u00e0 effet Hall verticales associ\u00e9es \u00e0 un \u00e9l\u00e9ment traditionnel de type \u00abplanar\u00bb, lui permettant de d\u00e9tecter des champs magn\u00e9tiques nord et sud, proches et frauduleux, dans toutes les directions.<\/p>\n","protected":false},"author":22,"featured_media":233377,"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-233376","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Capteur magn\u00e9tique 3D omnipolaire \u00e0 technologie Hall verticale ...<\/title>\n<meta name=\"description\" content=\"Circuit hautement sensible, le A1266 d\u2019Allegro Microsystems est un 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