{"id":487223,"date":"2025-10-24T08:08:17","date_gmt":"2025-10-24T06:08:17","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=487223"},"modified":"2025-10-23T18:18:51","modified_gmt":"2025-10-23T16:18:51","slug":"infineon-elargit-la-gamme-de-microphones-xensiv-mems","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/infineon-elargit-la-gamme-de-microphones-xensiv-mems\/","title":{"rendered":"Infineon \u00e9largit la gamme de microphones XENSIV MEMS"},"content":{"rendered":"<p data-start=\"79\" data-end=\"421\">Infineon a \u00e9largi son portefeuille de microphones MEMS XENSIV avec deux composants PDM num\u00e9riques visant \u00e0 am\u00e9liorer la qualit\u00e9 du signal tout en r\u00e9duisant la puissance consomm\u00e9e: l&rsquo;<a href=\"https:\/\/www.infineon.com\/part\/IM72D128V\">IM72D128V<\/a> et l&rsquo;<a href=\"https:\/\/www.infineon.com\/part\/IM69D129F\">IM69D129F<\/a>. Le nouveau duo de microphones MEMS XENSIV cible l&rsquo;audio grand public, l&rsquo;IoT et l&rsquo;automobile, o\u00f9 la robustesse et la dur\u00e9e de vie de la batterie sont essentielles.<\/p>\n<p data-start=\"423\" data-end=\"844\">La combinaison d&rsquo;un rapport signal\/bruit \u00e9lev\u00e9, d&rsquo;une protection IP57 via une double membrane scell\u00e9e (SDM) et de courants de fonctionnement inf\u00e9rieurs \u00e0 0,5 mA s&rsquo;adresse directement aux \u00e9couteurs de nouvelle g\u00e9n\u00e9ration, aux casques ANC, aux ordinateurs portables\/tablettes et aux r\u00e9seaux de microphones multiples dans les conceptions int\u00e9gr\u00e9es. Il convient \u00e9galement aux interfaces vocales frontales et \u00e0 l&rsquo;infotainment dans l&rsquo;habitacle, o\u00f9 des performances constantes et des tol\u00e9rances \u00e9troites simplifient l&rsquo;\u00e9talonnage des r\u00e9seaux.<\/p>\n<h2 data-start=\"846\" data-end=\"878\">Quoi de neuf dans les composants XENSIV<\/h2>\n<p data-start=\"880\" data-end=\"1516\">L&rsquo;IM72D128V se concentre sur une capture du son de qualit\u00e9 sup\u00e9rieure : il offre un SNR de 71,5 dB(A) pour une capture \u00e0 faible bruit, tout en consommant seulement 430 \u00b5A en mode haute performance et 160 \u00b5A en mode basse consommation. Son empreinte de 4 \u00d7 3 \u00d7 1,2 mm\u00b3 permet d&rsquo;\u00e9quilibrer l&rsquo;espacement de la matrice avec l&rsquo;espace disponible sur la carte pour les appareils portables et l&rsquo;audio portable. Le IM69D129F compact offre un SNR de 69 dB(A) \u00e0 450 \u00b5A\/170 \u00b5A (modes haut\/bas) dans un bo\u00eetier plus petit de 3,5 \u00d7 2,65 \u00d7 0,98 mm\u00b3, ce qui le rend adapt\u00e9 aux conceptions multi-microphones denses. Ces deux microphones PDM num\u00e9riques sont dot\u00e9s d&rsquo;un pr\u00e9amplificateur int\u00e9gr\u00e9 \u00e0 faible bruit et d&rsquo;un CAN sigma-delta pour une interface directe avec les SoC audio courants.<\/p>\n<p data-start=\"1518\" data-end=\"1922\">La construction SDM d&rsquo;<a href=\"https:\/\/www.eenewseurope.com\/en\/infineon-and-thistle-target-secure-edge-ai-with-optiga-trust-m\/\">Infineon<\/a> offre une protection IP57 \u00e0 l&rsquo;eau et \u00e0 la poussi\u00e8re, ce qui permet une utilisation dans des environnements plus difficiles, qu&rsquo;il s&rsquo;agisse de cam\u00e9ras ext\u00e9rieures, de surveillance domestique ou de d\u00e9tection industrielle. Les deux composants pr\u00e9sentent une r\u00e9ponse en fr\u00e9quence plate de 11 kHz et une tol\u00e9rance de sensibilit\u00e9 de \u00b11 dB pour faciliter la formation de faisceaux dans les r\u00e9seaux, et sont conformes aux normes de fiabilit\u00e9 IEC 60747\/60749 et JEDEC 47\/20\/22.<\/p>\n<h2 data-start=\"2478\" data-end=\"2494\">Pourquoi c&rsquo;est important<\/h2>\n<p data-start=\"2496\" data-end=\"2865\">Pour les concepteurs de syst\u00e8mes embarqu\u00e9s, la mise \u00e0 jour du <a href=\"https:\/\/www.infineon.com\/products\/sensor\/mems-microphones\">microphone MEMS XENSIV<\/a>offre un moyen pratique d&rsquo;obtenir un meilleur rapport signal\/bruit avec un courant plus faible, de r\u00e9duire le risque de nomenclature en conservant la signalisation PDM et l&rsquo;\u00e9tagement serr\u00e9 de la sensibilit\u00e9, tout en ajoutant la robustesse environnementale. Cette combinaison est opportune pour les r\u00e9seaux de microphones multiples qui s&rsquo;int\u00e8grent dans des facteurs de forme plus petits pour les applications grand public et automobile.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Infineon a \u00e9largi son portefeuille de microphones MEMS XENSIV avec deux composants PDM num\u00e9riques visant \u00e0 am\u00e9liorer la qualit\u00e9 du signal tout en r\u00e9duisant la puissance consomm\u00e9e: l&rsquo;IM72D128V et l&rsquo;IM69D129F. Le nouveau duo de microphones MEMS XENSIV cible l&rsquo;audio grand public, l&rsquo;IoT et l&rsquo;automobile, o\u00f9 la robustesse et la dur\u00e9e de vie de la batterie [&hellip;]<\/p>\n","protected":false},"author":34,"featured_media":487218,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881,883],"tags":[10658,3422,2224,10657],"domains":[47],"ppma_author":[10387,1153],"class_list":["post-487223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","category-technologies","tag-capteurs-xensiv","tag-infineon-fr","tag-mems-fr","tag-microphones-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Infineon \u00e9largit la gamme de microphones XENSIV MEMS ...<\/title>\n<meta name=\"description\" content=\"Infineon \u00e9largit sa gamme de microphones MEMS XENSIV avec des PDM num\u00e9riques, am\u00e9liorant la 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