{"id":480214,"date":"2025-05-21T18:02:26","date_gmt":"2025-05-21T16:02:26","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=480214"},"modified":"2025-05-21T19:29:19","modified_gmt":"2025-05-21T17:29:19","slug":"rohm-bd34302ekv-un-cna-audio-32-bits-de-haute-precision-pour-les-applications-haute-resolution","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/rohm-bd34302ekv-un-cna-audio-32-bits-de-haute-precision-pour-les-applications-haute-resolution\/","title":{"rendered":"ROHM BD34302EKV : un CNA audio 32 bits de haute pr\u00e9cision pour les applications haute r\u00e9solution"},"content":{"rendered":"<h3>ROHM Semiconductor enrichit sa gamme MUS-IC avec le\u00a0BD34302EKV, un convertisseur num\u00e9rique\/analogique (CNA) st\u00e9r\u00e9o 32 bits con\u00e7u pour r\u00e9pondre aux exigences des syst\u00e8mes audio haute fid\u00e9lit\u00e9. Disponible chez Mouser Electronics, ce composant cible les \u00e9quipements audio connect\u00e9s, les lecteurs num\u00e9riques et les applications n\u00e9cessitant une restitution sonore spatiale et naturelle.<\/h3>\n<h4>Architecture avanc\u00e9e pour une restitution sonore fid\u00e8le<\/h4>\n<p>Le BD34302EKV int\u00e8gre une technologie propri\u00e9taire de traitement audio d\u00e9velopp\u00e9e par ROHM, reposant sur une\u00a0moyenne pond\u00e9r\u00e9e des donn\u00e9es d\u2019\u00e9chantillonnage (DWA)\u00a0optimis\u00e9e. Cette approche permet de r\u00e9duire significativement la distorsion harmonique totale (THD), tout en conservant une\u00a0r\u00e9solution accrue\u00a0et une\u00a0restitution sonore naturelle. Le mode\u00a0monaural HD exclusif\u00a0am\u00e9liore encore la clart\u00e9 et la spatialisation du signal.<\/p>\n<h4>Polyvalence des formats et des fr\u00e9quences<\/h4>\n<p>L\u2019un des atouts majeurs du BD34302EKV r\u00e9side dans sa capacit\u00e9 \u00e0\u00a0commuter dynamiquement entre diff\u00e9rents formats audio\u00a0: modulation par impulsion cod\u00e9e (PCM) et flux num\u00e9rique direct (DSD). Il prend en charge une large plage de fr\u00e9quences d\u2019\u00e9chantillonnage, de\u00a032 kHz \u00e0 1 536 kHz, et propose deux canaux de\u00a0filtrage FIR\u00a0ainsi que deux algorithmes DWA distincts, offrant une flexibilit\u00e9 maximale pour l\u2019optimisation du rendu sonore.<\/p>\n<h4>Compatibilit\u00e9 DSD et traitement multicanal<\/h4>\n<p>Le CNA accepte des entr\u00e9es\u00a0multibits\u00a0et des fr\u00e9quences DSD \u00e9lev\u00e9es (2,8 MHz, 5,6 MHz, 11,2 MHz, jusqu\u2019\u00e0 22,5 MHz), ce qui le rend id\u00e9al pour les formats audio haute r\u00e9solution. Il prend en charge les sorties\u00a0st\u00e9r\u00e9o deux canaux,\u00a0mono un canal\u00a0et\u00a0mono HD, tout en assurant une\u00a0r\u00e9verb\u00e9ration spatiale naturelle, un\u00a0bruit de fond minimal\u00a0et une\u00a0plage dynamique \u00e9tendue.<\/p>\n<h4>Outils de d\u00e9veloppement et prototypage<\/h4>\n<p>Pour faciliter l\u2019int\u00e9gration du BD34302EKV dans les projets audio, ROHM propose une\u00a0carte d\u2019\u00e9valuation d\u00e9di\u00e9e, \u00e9galement disponible chez Mouser. Cette plateforme permet un prototypage rapide et une \u00e9valuation compl\u00e8te des performances du CNA dans des conditions r\u00e9elles.<\/p>\n<p><a href=\"https:\/\/www.mouser.fr\/\">Mouser Electronics<\/a> | <a href=\"https:\/\/www.rohm.com\/\">ROHM Semiconductor<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ROHM Semiconductor enrichit sa gamme MUS-IC avec le\u00a0BD34302EKV, un convertisseur num\u00e9rique\/analogique (CNA) st\u00e9r\u00e9o 32 bits con\u00e7u pour r\u00e9pondre aux exigences des syst\u00e8mes audio haute fid\u00e9lit\u00e9. Disponible chez Mouser Electronics, ce composant cible les \u00e9quipements audio connect\u00e9s, les lecteurs num\u00e9riques et les applications n\u00e9cessitant une restitution sonore spatiale et naturelle. Architecture avanc\u00e9e pour une restitution sonore [&hellip;]<\/p>\n","protected":false},"author":39,"featured_media":480272,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[7058,9788],"domains":[47],"ppma_author":[6113],"class_list":["post-480214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-cna","tag-convertisseur-numerique-analogique","domains-electronique-eci"],"acf":[],"yoast_head":"<title>ROHM BD34302EKV : un CNA audio 32 bits de haute pr\u00e9cision pour...<\/title>\n<meta name=\"description\" content=\"ROHM Semiconductor enrichit sa gamme MUS-IC avec le\u00a0BD34302EKV, un convertisseur num\u00e9rique\/analogique (CNA) st\u00e9r\u00e9o 32 bits\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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