{"id":225237,"date":"2012-09-27T22:00:00","date_gmt":"2012-09-27T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/amplificateurs-de-classe-d-a-entree-numerique-pour-haut-parleurs\/"},"modified":"2012-09-27T22:00:00","modified_gmt":"2012-09-27T22:00:00","slug":"amplificateurs-de-classe-d-a-entree-numerique-pour-haut-parleurs","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/amplificateurs-de-classe-d-a-entree-numerique-pour-haut-parleurs\/","title":{"rendered":"Amplificateurs de classe D \u00e0 entr\u00e9e num\u00e9rique pour haut-parleurs"},"content":{"rendered":"<p>Les dispositifs audio sont consid&eacute;rablement simplifi&eacute;s car le circuit interne unique des MAX98355\/MAX98356 d&eacute;tecte l&rsquo;horloge d&rsquo;entr&eacute;e et calcule automatiquement le taux d&rsquo;&eacute;chantillonnage. Cela r&eacute;duit les t&acirc;ches de programmation complexe et le besoin en support logiciel syst&egrave;me. Avec une entr&eacute;e num&eacute;rique pour l&rsquo;immunit&eacute; aux bruits et une tol&eacute;rance de gigue plus &eacute;lev&eacute;e, les composants assurent une tr&egrave;s haute qualit&eacute; de signal audio sans n&eacute;cessiter de programmation, ce qui acc&eacute;l&egrave;re la mise sur le march&eacute;. <br \/>\nLa qualit&eacute; audio est largement am&eacute;lior&eacute;e gr&acirc;ce &agrave; une tol&eacute;rance de gigue exceptionnelle : tr&egrave;s basse THD+N de 0,013% &agrave; 1 kHz et plage dynamique de 99 dB. Par ailleurs, la consommation est r&eacute;duite gr&acirc;ce &agrave; rendement de 92%. &quot; Avec ces amplificateurs de classe D &agrave; entr&eacute;e num&eacute;rique, la conception syst&egrave;me devient presque plug and play &quot;, affirme Robert Nicoletti, directeur applications chez Maxim Integrated. &quot; Pour l&rsquo;utilisateur, la complexit&eacute; est fortement r&eacute;duite. &quot; <\/p>\n<p>Selon Susie Inouye, directrice de recherches au cabinet d&rsquo;analyses Databeans, le march&eacute; des amplificateurs audio de classe D devrait conna&icirc;tre un taux de croissance annuel moyen de 12 % chaque ann&eacute;e, bien au-dessus du march&eacute; global des semiconducteurs pour applications grand public. &quot; En int&eacute;grant des circuits num&eacute;riques de conversion num&eacute;rique \/ analogique dans ses amplificateurs audio de classe D, Maxim permet de r&eacute;duire la taille de la solution en r&eacute;coltant quand m&ecirc;me tous les b&eacute;n&eacute;fices d&rsquo;une entr&eacute;e num&eacute;rique. &quot; d&eacute;clare Susie Inouye.<\/p>\n<\/p>\n<p><a title=\"www.maximintegrated.com\/datasheet\/index.mvp\/id\/7502\" target=\"_blank\" href=\"http:\/\/www.maximintegrated.com\/datasheet\/index.mvp\/id\/7502\" rel=\"noopener\">www.maximintegrated.com\/datasheet\/index.mvp\/id\/7813<br \/>\nwww.maximintegrated.com\/datasheet\/index.mvp\/id\/7502<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tout en simplifiant les conceptions et \u00e9liminant la programmation compliqu\u00e9e, les deux amplificateurs de puissance de classe D \u00e0 entr\u00e9e num\u00e9rique MAX98355 (modulation par impulsions cod\u00e9es ou PCM) et MAX98356 (modulation par densit\u00e9 d&rsquo;impulsions ou PDM) offrent la meilleure tol\u00e9rance de gigue d&rsquo;horloge possible et assurent une tr\u00e8s haute qualit\u00e9 du signal audio.<\/p>\n","protected":false},"author":22,"featured_media":225238,"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-225237","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Amplificateurs de classe D \u00e0 entr\u00e9e num\u00e9rique pour haut-parl...<\/title>\n<meta name=\"description\" content=\"Tout en simplifiant les conceptions et \u00e9liminant la programmation compliqu\u00e9e, les deux amplificateurs de puissance de classe D \u00e0 entr\u00e9e num\u00e9rique...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/225237\/\" 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