{"id":134398,"date":"2018-01-07T23:31:44","date_gmt":"2018-01-07T23:31:44","guid":{"rendered":"https:\/\/\/amplificateur-audio-avance-a-haut-rendement\/"},"modified":"2018-01-07T23:31:44","modified_gmt":"2018-01-07T23:31:44","slug":"amplificateur-audio-avance-a-haut-rendement","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/amplificateur-audio-avance-a-haut-rendement\/","title":{"rendered":"Amplificateur audio avanc\u00e9 \u00e0 haut rendement"},"content":{"rendered":"

Dot\u00e9 d\u2019un rendement comparable \u00e0 celui d\u2019un amplificateur num\u00e9rique classe D, le CI TCB701FNG utilise une technologie brevet\u00e9e pour ne consommer que 10 % de la puissance des amplificateurs conventionnels classe AB (dans des conditions d\u2019utilisation normales : 0,5W \u00e0 4W). Les co\u00fbts de BoM (Bill of Materials, ou nomenclature) sont r\u00e9duits de pr\u00e8s de moiti\u00e9 par rapport \u00e0 des alternatives classe D plus co\u00fbteuses, puisqu\u2019aucun filtrage EMI ni passe-bas n’est n\u00e9cessaire.<\/p>\n

En plus de pr\u00e9senter un rendement \u00e9lev\u00e9 et un fonctionnement silencieux, le TCB701FNG int\u00e8gre plusieurs fonctions d’autodiagnostic, permettant de surveiller et de reporter diff\u00e9rentes conditions d’erreur via un bus I2<\/sup>C. Ces capacit\u00e9s incluent la d\u00e9tection permanente de d\u00e9fauts de d\u00e9calage DC en sortie. Cela \u00e9vite d\u2019endommager les enceintes tout en am\u00e9liorant la fiabilit\u00e9 globale.<\/p>\n

Parmi les fonctionnalit\u00e9s suppl\u00e9mentaires, on peut citer la protection contre le bruit haute-fr\u00e9quence ; la protection contre les branchements invers\u00e9s en sortie, et contre les surtensions ou sous-tensions ; trois niveaux de d\u00e9tection de surchauffe ; un contr\u00f4le de veille et de mode silence ; et un suppresseur de bruit GSM.<\/p>\n

Ce nouveau CI Toshiba se pr\u00e9sente en bo\u00eetier HSSOP 36 broches, et peut aussi bien \u00eatre utilis\u00e9 comme un amplificateur, que comme un driver de ligne. L’appareil peut fonctionner avec une tension d’alimentation de 6V \u00e0 18V, supporte 49W x 4 canaux, et est compatible avec les enceintes 2\u03a9. La tension de bruit en sortie est de 60 \u00b5Veff<\/sub> seulement.<\/p>\n

www.toshiba.semicon-storage.com<\/a><\/p>\n

 <\/b><\/p>\n","protected":false},"excerpt":{"rendered":"

Toshiba Electronics Europe a mis au point un CI amplificateur lin\u00e9aire classe AB \u00e0 4 canaux et \u00e0 haut rendement, offrant une reproduction sonore de haute qualit\u00e9 pour les applications audio automobiles, tout en r\u00e9duisant consid\u00e9rablement la consommation.<\/p>\n","protected":false},"author":9,"featured_media":134399,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-134398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Amplificateur audio avanc\u00e9 \u00e0 haut rendement ...<\/title>\n<meta name=\"description\" content=\"Toshiba Electronics Europe a mis au point un CI amplificateur lin\u00e9aire classe AB \u00e0 4 canaux et \u00e0 haut rendement, offrant une 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