{"id":15265,"date":"2025-06-02T07:13:24","date_gmt":"2025-06-02T07:13:24","guid":{"rendered":"https:\/\/sistc.com\/?p=15265"},"modified":"2025-06-06T13:24:07","modified_gmt":"2025-06-06T13:24:07","slug":"effc-mems-digital-microphone-dynamic-range","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/effc-mems-digital-microphone-dynamic-range\/","title":{"rendered":"\u4f7f\u7528\u9759\u7535\u53cd\u9988\u63a7\u5236\u7684\u9ad8\u52a8\u6001\u8303\u56f4 MEMS \u9ea6\u514b\u98ce"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong>\u5bfc\u8a00<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u8bed\u97f3\u4ea4\u4e92\u754c\u9762\u3001\u667a\u80fd\u53ef\u7a7f\u6234\u8bbe\u5907\u548c\u8fb9\u7f18\u4eba\u5de5\u667a\u80fd\u97f3\u9891\u7cfb\u7edf\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u5bf9\u8bed\u97f3\u6280\u672f\u7684\u9700\u6c42\u4e5f\u5728\u4e0d\u65ad\u589e\u957f\u3002 <strong>\u9ad8\u6027\u80fd\u3001\u4f4e\u529f\u8017\u6570\u5b57\u9ea6\u514b\u98ce<\/strong> \u6b63\u5728\u589e\u957f\u3002\u4e00\u4e2a\u4e3b\u8981\u7684\u6280\u672f\u6311\u6218\u662f\u5b9e\u73b0 <strong>\u5bbd\u52a8\u6001\u8303\u56f4\uff08DR\uff09<\/strong> \u540c\u65f6\u4fdd\u6301 <strong>\u529f\u8017\u6781\u4f4e<\/strong> \u548c\u4e00\u4e2a <strong>\u5916\u5f62\u7d27\u51d1<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 <a class=\"\" href=\"https:\/\/sistc.com\/zh\/\">\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SiSTC\uff09<\/a>\u6211\u4eec\u7ee7\u7eed\u63a2\u7d22\u5c16\u7aef\u6280\u672f\uff0c\u4f8b\u5982 <strong>\u9759\u7535\u529b\u53cd\u9988\u63a7\u5236\uff08EFFC\uff09<\/strong> \u63a8\u52a8 <strong>CMOS-MEMS \u9ea6\u514b\u98ce\u6027\u80fd<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u57fa\u4e8e EFFC \u7684 MEMS \u9ea6\u514b\u98ce\u67b6\u6784\u6982\u8ff0<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u62df\u8bae\u7684\u9ea6\u514b\u98ce\u67b6\u6784\u96c6\u6210\u4e86\u4e00\u4e2a\u65b0\u9896\u7684 <strong>\u9759\u7535\u529b\u53cd\u9988\u63a7\u5236\uff08EFFC\uff09<\/strong> \u7cfb\u7edf\uff0c\u53ef\u6839\u636e\u8f93\u5165\u632f\u5e45\u52a8\u6001\u8c03\u6574 MEMS \u4f20\u611f\u5668\u7684\u504f\u7f6e\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udcc8 <strong>\u81ea\u9002\u5e94\u673a\u68b0\u589e\u76ca<\/strong>\u5728\u6a21\u62df\u524d\u7aef (AFE) \u4e4b\u524d\u8d77\u4f5c\u7528<\/li>\n\n\n\n<li>\ud83d\udd27 <strong>\u653e\u5bbd\u566a\u97f3\u8981\u6c42<\/strong> \u7528\u4e8e\u8bfb\u51fa\u7535\u5b50\u8bbe\u5907<\/li>\n\n\n\n<li>\u26a1 <strong>\u964d\u4f4e\u529f\u8017<\/strong> \u4fe1\u53f7\u5b8c\u6574\u6027\u9ad8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5b9e\u65f6\u5e94\u7528\u9759\u7535\u53cd\u9988\u529b\uff0c\u7cfb\u7edf\u53ef\u6839\u636e\u8f93\u5165 SPL\uff08\u58f0\u538b\u7ea7\uff09\u8c03\u8282\u7075\u654f\u5ea6\uff0c\u4ece\u800c\u6709\u6548\u5730 <strong>\u6269\u5927\u58f0\u5b66\u52a8\u6001\u8303\u56f4<\/strong> \u800c\u4e0d\u4f1a\u727a\u7272\u4f4e\u7aef\u7075\u654f\u5ea6\u6216\u9ad8\u7aef\u8fc7\u8f7d\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e3b\u8981\u6280\u672f\u7279\u70b9<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 <strong>\u7535\u5bb9\u53cd\u9988\u4eea\u8868\u653e\u5927\u5668\uff08CFB IA\uff09<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684\u7535\u963b\u53cd\u9988\u653e\u5927\u5668\uff08RFB IA\uff09\u4f1a\u4ea7\u751f\u5927\u91cf\u70ed\u566a\u58f0\u3002\u8fd9\u79cd\u8bbe\u8ba1\u7528\u4e00\u4e2a <strong>\u7535\u5bb9\u53cd\u9988 IA<\/strong> \u7279\u8272\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u8c03\u8282\u589e\u76ca<\/li>\n\n\n\n<li>\u66f4\u5f3a\u7684\u4f4e\u566a\u97f3\u6027\u80fd<\/li>\n\n\n\n<li>\u6574\u4e2a\u58f0\u538b\u7ea7\u9891\u8c31\u7684\u7ebf\u6027\u5ea6\u66f4\u597d<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 <strong>\u5b50\u91c7\u6837\u632f\u5e45\u68c0\u6d4b\u5668\uff08SSAD\uff09<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u9ad8\u6548\u5730\u68c0\u6d4b\u5b9e\u65f6\u58f0\u80fd\uff0c\u4e00\u4e2a <strong>\u4f4e\u529f\u8017 SSAD<\/strong> \u4f7f\u7528<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ea7\u8054\u4f4e\u9636\u62bd\u53d6\u6ee4\u6ce2\u5668<\/li>\n\n\n\n<li>\u5b9e\u65f6\u97f3\u91cf\u4f30\u7b97<\/li>\n\n\n\n<li>\u9ad8\u5206\u8fa8\u7387\u58f0\u538b\u7ea7\u8ddf\u8e2a<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 <strong>\u9884\u6d4b\u53c2\u8003\u7535\u8377\u6cf5 (PRCP)<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">SISTC\u7684 <strong>PRCP \u6a21\u5757<\/strong> \u4f7f\u7528\u5fae\u5904\u7406\u5668\u5bf9 MEMS \u504f\u7f6e\u7535\u538b\u8fdb\u884c\u9ad8\u7cbe\u5ea6\u5fae\u8c03\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u95ed\u73af\u63a7\u5236\u7ed3\u6784<\/li>\n\n\n\n<li>\u9884\u6d4b\u903b\u8f91\u7f29\u77ed\u6c89\u6dc0\u65f6\u95f4<\/li>\n\n\n\n<li>\u5feb\u901f\u54cd\u5e94\u52a8\u6001\u8f93\u5165\u53d8\u5316<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u8861\u91cf\u7ee9\u6548<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u53c2\u6570<\/th><th>\u4ef7\u503c<\/th><\/tr><\/thead><tbody><tr><td>\u4fe1\u566a\u6bd4\uff08SNR\uff09<\/td><td>68.2 \u5206\u8d1d @ 94 \u5206\u8d1d\u58f0\u538b\u7ea7<\/td><\/tr><tr><td>\u58f0\u5b66\u8fc7\u8f7d\u70b9 (AOP)<\/td><td>133 \u5206\u8d1d\u58f0\u538b\u7ea7<\/td><\/tr><tr><td>\u58f0\u5b66\u52a8\u6001\u8303\u56f4 (DR)<\/td><td>107.2 \u5206\u8d1d<\/td><\/tr><tr><td>\u8017\u7535\u91cf<\/td><td>430 \u03bcA @ 3.072 MHz \u65f6\u949f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u6027\u80fd\u6c34\u5e73\u4f7f\u62df\u8bae\u7684\u7cfb\u7edf\u975e\u5e38\u9002\u5408\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u4ee5\u4e0b\u8981\u6c42\u7684\u5e94\u7528\u573a\u5408 <strong>\u8033\u8bed\u7ea7\u7075\u654f\u5ea6<\/strong> \u4e0e <strong>\u558a\u8bdd\u5668\u8d85\u8f7d\u5bb9\u5fcd\u5ea6<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5e94\u7528\u548c\u5e02\u573a\u76f8\u5173\u6027<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8e EFFC \u7684 MEMS \u9ea6\u514b\u98ce\u975e\u5e38\u9002\u5408\u4e8e\u4ee5\u4e0b\u7528\u9014<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83c\udfa7 <strong>\u667a\u80fd\u8033\u585e\u548c\u53ef\u7a7f\u6234\u8bbe\u5907<\/strong><\/li>\n\n\n\n<li>\ud83d\ude98 <strong>\u6c7d\u8f66\u8bed\u97f3\u63a7\u5236\u548c\u8f66\u5185\u611f\u5e94<\/strong><\/li>\n\n\n\n<li>\ud83e\udde0 <strong>\u8fb9\u7f18\u4eba\u5de5\u667a\u80fd\u548c\u8fdc\u573a\u8bed\u97f3\u52a9\u624b<\/strong><\/li>\n\n\n\n<li>\ud83c\udf99\ufe0f <strong>\u4e13\u4e1a\u97f3\u9891\u548c\u964d\u566a\u7cfb\u7edf<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d \u63a2\u7d22 SiSTC \u7528\u4e8e\u9ad8 SNR \u548c\u4f4e\u529f\u8017\u97f3\u9891\u4f20\u611f\u7684 MEMS \u9ea6\u514b\u98ce\u9635\u5bb9\uff1a<br>\ud83d\udc49 <a class=\"\" href=\"https:\/\/sistc.com\/zh\/product-category\/mems-microphone\/\">https:\/\/sistc.com\/product-category\/mems-microphone\/<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ed3\u8bba<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u5408 <strong>\u9759\u7535\u529b\u53cd\u9988<\/strong>, <strong>\u5b50\u91c7\u6837\u632f\u5e45\u68c0\u6d4b<\/strong>\u4ee5\u53ca <strong>\u9884\u6d4b\u6027\u5145\u7535\u63a7\u5236<\/strong> \u5728 CMOS-MEMS \u9ea6\u514b\u98ce\u4e2d\u7684\u5e94\u7528\u662f\u52a8\u6001\u8303\u56f4\u611f\u77e5\u97f3\u9891\u4f20\u611f\u9886\u57df\u7684\u4e00\u9879\u7a81\u7834\u3002SiSTC \u6b63\u79ef\u6781\u6295\u8d44\u4e8e\u8fd9\u4e9b\u524d\u6cbf\u6280\u672f\uff0c\u4ee5\u5b9e\u73b0\u4e0b\u4e00\u4ee3\u97f3\u9891\u4f20\u611f\u6280\u672f\u3002 <strong>\u81ea\u9002\u5e94\u9ad8\u5206\u8fa8\u7387\u8bed\u97f3\u754c\u9762<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>ntroduction With the rapid evolution of voice-first interfaces, smart wearables, and edge-AI audio systems, the demand for high-performance, low-power digital microphones is growing. One major technical challenge is achieving a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15265","post","type-post","status-publish","format-standard","hentry","category-company-news"],"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/comments?post=15265"}],"version-history":[{"count":0,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15265\/revisions"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=15265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=15265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=15265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}