{"id":15050,"date":"2025-04-28T07:42:31","date_gmt":"2025-04-28T07:42:31","guid":{"rendered":"https:\/\/sistc.com\/?p=15050"},"modified":"2025-05-27T04:13:41","modified_gmt":"2025-05-27T04:13:41","slug":"discover-key-pdm-differences-for-mems-microphones-xmos","status":"publish","type":"post","link":"https:\/\/sistc.com\/zh\/discover-key-pdm-differences-for-mems-microphones-xmos\/","title":{"rendered":"PDM \u4e0e I\u00b2S - \u4e3a\u60a8\u7684\u4e0b\u4e00\u4e2a MEMS \u9ea6\u514b\u98ce\u8bbe\u8ba1\u9009\u62e9\u5b8c\u7f8e\u7684\u6570\u5b57\u63a5\u53e3"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u6267\u884c\u6458\u8981<\/h2><p>MEMS \u9ea6\u514b\u98ce\u6b63\u5728\u5f7b\u5e95\u6539\u53d8\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\u3001\u6c7d\u8f66\u7cfb\u7edf\u548c\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u5d4c\u5165\u5f0f\u97f3\u9891\u3002\u5728\u8109\u51b2\u5bc6\u5ea6\u8c03\u5236\uff08PDM\uff09\u548c\u7247\u95f4\u96c6\u6210\u58f0\u97f3\uff08I\u00b2S\uff09\u6570\u5b57\u63a5\u53e3\u4e4b\u95f4\u505a\u51fa\u9009\u62e9\uff0c\u4f1a\u76f4\u63a5\u5f71\u54cd\u97f3\u9891\u8d28\u91cf\u3001\u529f\u8017\u3001BOM \u6210\u672c\u548c\u8bbe\u8ba1\u590d\u6742\u6027\u3002\u672c\u6587\u8be6\u7ec6\u6bd4\u8f83\u4e86 PDM \u548c I\u00b2S\uff0c\u91cd\u70b9\u4ecb\u7ecd\u4e86\u5b9e\u9645\u4f7f\u7528\u6848\u4f8b\uff0c\u5e76\u8bf4\u660e\u4e86\u65e0\u9521\u7845\u6e90\u79d1\u6280\u6709\u9650\u516c\u53f8\uff08SISTC\uff09\u4e3a\u4f55\u662f\u60a8\u7684\u9996\u9009\u3002(SISTC)\u662f\u60a8\u7684\u9996\u9009\u4f9b\u5e94\u5546--\u63d0\u4f9b <strong>\u514d\u8d39\u8bc4\u4f30\u6837\u54c1<\/strong> \u6211\u4eec\u5148\u8fdb\u7684 MEMS \u9ea6\u514b\u98ce\u3002<\/p><h2 class=\"wp-block-heading\">1.\u4e3a\u4ec0\u4e48\u754c\u9762\u9009\u62e9\u5f88\u91cd\u8981<\/h2><p>MEMS \u9ea6\u514b\u98ce\u4f53\u79ef\u5c0f\u3001\u529f\u8017\u4f4e\u3001\u6297\u7535\u566a\u58f0\u80fd\u529b\u5f3a\uff0c\u662f\u53ef\u7a7f\u6234\u8bbe\u5907\u3001\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u548c\u6c7d\u8f66\u8bed\u97f3\u63a7\u5236\u7684\u7406\u60f3\u4e4b\u9009\u3002 <sub><a href=\"https:\/\/www.digikey.com\/en\/articles\/a-comparison-of-digital-pdm-and-i2s-interfaces-in-mems-microphones?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">DigiKey<\/mark><\/a>. <\/sub>\u4e0e\u6a21\u62df\u8f93\u51fa\u76f8\u6bd4\uff0c\u6570\u5b57\u63a5\u53e3\u6d88\u9664\u4e86\u677f\u8f7d ADC \u7684\u590d\u6742\u6027\uff0c\u5e76\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u7a33\u5065\u6027<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"> <\/mark><sub><a href=\"https:\/\/ez.analog.com\/audio\/f\/q-a\/4259\/difference-between-pdm-and-i2s-digital-microphones?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u5de5\u7a0b\u5e08\u533a<\/mark><\/a><\/sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><sub>.<\/sub><\/mark> \u7136\u800c\uff0c\u534f\u8bae\u7684\u9009\u62e9\u4f1a\u5f71\u54cd PCB \u7684\u5e03\u7ebf\u3001\u5916\u90e8\u5143\u4ef6\u548c\u6574\u4e2a\u7cfb\u7edf\u7684\u6210\u672c\u3002<\/p><h2 class=\"wp-block-heading\">2.PDM \u63a5\u53e3\uff1a\u7b80\u6613\u6027\u548c\u6297\u566a\u6027<\/h2><h3 class=\"wp-block-heading\">2.1 \u4ec0\u4e48\u662f PDM\uff1f<\/h3><p>\u8109\u51b2\u5bc6\u5ea6\u8c03\u5236\u5c06\u6a21\u62df\u58f0\u6ce2\u6ce2\u5f62\u7f16\u7801\u6210\u5355\u6bd4\u7279\u9ad8\u9891\u6570\u5b57\u6d41\uff1b\u8109\u51b2\u5bc6\u5ea6\u968f\u4fe1\u53f7\u632f\u5e45\u800c\u53d8\u5316 <a href=\"https:\/\/www.digikey.com\/en\/articles\/a-comparison-of-digital-pdm-and-i2s-interfaces-in-mems-microphones?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">DigiKey<\/mark><\/sub><\/a>.<\/p><h3 class=\"wp-block-heading\">2.2 \u4e3b\u8981\u4f18\u52bf<\/h3><ul class=\"wp-block-list\"><li><strong>\u6700\u5c0f\u8f93\u5165\/\u8f93\u51fa<\/strong>:\u4ec5\u65f6\u949f\u548c\u6570\u636e\u7ebf--\u51cf\u5c11\u5f15\u811a\u6570\u548c PCB \u7a7a\u95f4<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"> <\/mark><sub><a href=\"https:\/\/www.electronicdesign.com\/technologies\/analog\/article\/21256363\/cui-devices-evaluating-options-in-mems-microphones-i2s-vs-pdm?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#185ea4\" class=\"has-inline-color\">\u9996\u9875<\/mark><\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">.<\/mark><\/sub><\/li>\n\n<li><strong>\u9ad8\u566a\u58f0\u5bb9\u9650<\/strong>:\u6570\u5b57\u7279\u6027\u63d0\u4f9b\u51fa\u8272\u7684\u6297\u7535\u78c1\u5e72\u6270\u80fd\u529b <sub><a href=\"https:\/\/ez.analog.com\/audio\/f\/q-a\/4259\/difference-between-pdm-and-i2s-digital-microphones?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u5de5\u7a0b\u5e08\u533a<\/mark><\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">.<\/mark><\/sub><\/li>\n\n<li><strong>\u964d\u4f4e BOM \u6210\u672c<\/strong>:\u7b80\u5316\u7684\u786c\u4ef6\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4e86\u5916\u90e8\u7f16\u89e3\u7801\u5668\u7684\u9700\u6c42\uff0c\u662f\u6210\u672c\u654f\u611f\u578b\u5e94\u7528\u7684\u7406\u60f3\u4e4b\u9009<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"> <\/mark><sub><a href=\"https:\/\/www.allicdata.com\/news\/ic-chips\/comparison-of-digital-pdm-and-i%C2%B2s-interfaces-in-mems-microphones.html?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">allicdata.com<\/mark><\/a><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">.<\/mark><\/sub><\/li><\/ul><h3 class=\"wp-block-heading\">2.3 \u8003\u8651\u56e0\u7d20<\/h3><ul class=\"wp-block-list\"><li><strong>\u9ad8\u91c7\u6837\u7387<\/strong>:\u901a\u5e38 &gt;3 MHz\uff0c\u4ee5\u786e\u4fdd\u7cbe\u786e\u7684\u6a21\u62df\u8868\u793a\uff0c\u589e\u52a0 DSP \u7684\u62bd\u53d6\u5f00\u9500 <a href=\"https:\/\/www.analog.com\/media\/en\/technical-documentation\/technical-articles\/analog-and-digital-mems-microphone-design-considerations-ms-2472.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u6a21\u62df\u5668\u4ef6\u516c\u53f8<\/mark><\/sub><\/a>.<\/li>\n\n<li><strong>\u4f20\u8f93\u8ddd\u79bb\u77ed<\/strong>:\u7ebf\u8def\u7535\u5bb9\u7684\u589e\u52a0\u4f1a\u8870\u51cf\u957f\u7535\u7f06\u4e0a\u7684\u6ce2\u5206\u590d\u7528\u6570\u636e\u6d41 <a href=\"https:\/\/www.digikey.com\/en\/articles\/a-comparison-of-digital-pdm-and-i2s-interfaces-in-mems-microphones?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">DigiKey<\/mark><\/sub><\/a>.<\/li><\/ul><h2 class=\"wp-block-heading\">3.I\u00b2S \u63a5\u53e3\uff1a\u591a\u529f\u80fd\u6027\u548c\u4fe1\u53f7\u5b8c\u6574\u6027<\/h2><h3 class=\"wp-block-heading\">3.1 \u4ec0\u4e48\u662f I\u00b2S\uff1f<\/h3><p>I\u00b2S \u662f\u4e00\u79cd\u4e09\u7ebf\u4e32\u884c\u534f\u8bae\uff08\u65f6\u949f\u3001\u6570\u636e\u3001\u5b57\u9009\u62e9\uff09\uff0c\u8bbe\u8ba1\u7528\u4e8e\u591a\u4f4d\u97f3\u9891\u4f20\u8f93\uff0c\u65e0\u9700\u5916\u90e8\u7f16\u7801 <a href=\"https:\/\/www.electronicdesign.com\/technologies\/analog\/article\/21256363\/cui-devices-evaluating-options-in-mems-microphones-i2s-vs-pdm?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u9996\u9875<\/mark><\/sub><\/a>.<\/p><h3 class=\"wp-block-heading\">3.2 \u4e3b\u8981\u4f18\u52bf<\/h3><ul class=\"wp-block-list\"><li><strong>\u5185\u7f6e\u7ec6\u5206\u529f\u80fd<\/strong>:\u5185\u90e8\u6ee4\u6ce2\u5668\u4e3a DSP \u63d0\u4f9b\u6d88\u8d39\u8005\u53ef\u7528\u7684\u97f3\u9891\uff0c\u65e0\u9700\u989d\u5916\u7684\u7f16\u89e3\u7801\u5668<sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"> <\/mark><a href=\"https:\/\/www.sameskydevices.com\/blog\/analog-or-digital-how-to-choose-the-right-mems-microphone-interface?srsltid=AfmBOoo2VYyfqqNIfLdJZ-jozjX2prgN75yYMMtKsJmgXNgMR4G0xI0o&amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">sameskydevices.com<\/mark><\/a><\/sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">.<\/mark><\/li>\n\n<li><strong>\u8fdc\u7a0b\u5b8c\u6574\u6027<\/strong>:\u4e0e PDM \u76f8\u6bd4\uff0c\u80fd\u5728\u66f4\u957f\u7684\u7ebf\u8def\u6216\u7535\u7f06\u4e0a\u4fdd\u6301\u66f4\u597d\u7684\u4fe1\u53f7\u8d28\u91cf <a href=\"https:\/\/www.sameskydevices.com\/blog\/pdm-vs-i2s-comparing-digital-interfaces-in-mems-microphones?srsltid=AfmBOoqgfrR4w3c6z98jUuBC9dXnt1ZVZS9JwgYaFUTnaD5wwfT_vDZ5&amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">sameskydevices.com<\/mark><\/sub><\/a>.<\/li>\n\n<li><strong>\u7075\u6d3b\u7684\u5e26\u5bbd<\/strong>:\u901a\u8fc7\u8c03\u6574\u65f6\u949f\u9891\u7387\uff0c\u53ef\u6269\u5c55\u81f3\u9ad8\u5206\u8fa8\u7387\u97f3\u9891\uff08\u5982 24 \u4f4d\/96 \u5343\u8d6b <a href=\"https:\/\/www.electronicdesign.com\/technologies\/analog\/article\/21256363\/cui-devices-evaluating-options-in-mems-microphones-i2s-vs-pdm?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u9996\u9875<\/mark><\/sub><\/a>.<\/li><\/ul><h3 class=\"wp-block-heading\">3.3 \u8003\u8651\u56e0\u7d20<\/h3><ul class=\"wp-block-list\"><li><strong>\u66f4\u591a\u8f93\u5165\/\u8f93\u51fa<\/strong>:\u9700\u8981\u4e09\u6761\u4fe1\u53f7\u7ebf\uff08\u52a0\u4e0a IRQ \u6216\u6389\u7535\u5f15\u811a\uff09 <a href=\"https:\/\/ez.analog.com\/audio\/f\/q-a\/4259\/difference-between-pdm-and-i2s-digital-microphones?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u5de5\u7a0b\u5e08\u533a<\/mark><\/sub><\/a>.<\/li>\n\n<li><strong>\u6210\u672c\u7565\u9ad8<\/strong>:\u5728\u9ad8\u5ea6\u53d7\u9650\u7684\u8bbe\u8ba1\u4e2d\uff0c\u989d\u5916\u7684\u7ebf\u8def\u548c\u590d\u6742\u6027\u4f1a\u63d0\u9ad8 BOM<sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"> <\/mark><\/sub><a href=\"https:\/\/www.allicdata.com\/news\/ic-chips\/comparison-of-digital-pdm-and-i%C2%B2s-interfaces-in-mems-microphones.html?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"><sub>allicdata.com<\/sub><\/mark><\/a>.<\/li><\/ul><h2 class=\"wp-block-heading\">4.\u5e94\u7528\u573a\u666f<\/h2><ul class=\"wp-block-list\"><li><strong>\u58f0\u63a7\u53ef\u7a7f\u6234\u8bbe\u5907<\/strong>:PDM \u7684\u6700\u5c0f\u8f93\u5165\/\u8f93\u51fa\u548c\u6297\u566a\u80fd\u529b\u9002\u5408\u59cb\u7ec8\u5728\u7ebf\u3001\u5bf9\u7535\u6c60\u654f\u611f\u7684\u8bbe\u5907\u3002<\/li>\n\n<li><strong>\u6c7d\u8f66\u4fe1\u606f\u5a31\u4e50\u7cfb\u7edf<\/strong>:I\u00b2S \u5728\u9ea6\u514b\u98ce\u8fdc\u79bb\u4e3b\u5904\u7406\u5668\u5e76\u9700\u8981\u9ad8\u4fdd\u771f\u97f3\u9891\u65f6\u8868\u73b0\u51fa\u8272\u3002<\/li>\n\n<li><strong>\u5de5\u4e1a\u76d1\u6d4b<\/strong>:\u5728\u7535\u78c1\u5e72\u6270\u4e25\u91cd\u7684\u73af\u5883\u4e2d\u4f7f\u7528\u7a33\u5065\u7684 PDM\uff1b\u4e0e\u73b0\u6709\u97f3\u9891\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668\u96c6\u6210\u65f6\u4f7f\u7528 I\u00b2S\u3002<\/li><\/ul><h2 class=\"wp-block-heading\">5.\u4e3a\u4ec0\u4e48\u9009\u62e9 SISTC \u7684 MEMS \u9ea6\u514b\u98ce\uff1f<\/h2><ul class=\"wp-block-list\"><li><strong>\u5e7f\u6cdb\u7684\u754c\u9762\u7ec4\u5408<\/strong>:\u6a21\u62df\u3001PDM \u548c I\u00b2S \u578b\u53f7\uff0c\u6db5\u76d6 48 kHz-192 kHz \u91c7\u6837\u7387\u3002<\/li>\n\n<li><strong>\u4e1a\u754c\u9886\u5148\u7684\u4fe1\u566a\u6bd4\u548c\u603b\u8c10\u6ce2\u5931\u771f<\/strong>:\u9ad8\u6027\u80fd\u751f\u4ea7\u7ebf\u7684\u4fe1\u566a\u6bd4\u9ad8\u8fbe 68 dBA\uff0c\u603b\u8c10\u6ce2\u5931\u771f\u4e3a 0.05% <a href=\"https:\/\/invensense.tdk.com\/news-media\/tdk-launches-low-power-mems-microphone-with-i2s-interface-to-worldwide-distribution\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">TDK InvenSense<\/mark><\/sub><\/a>.<\/li>\n\n<li><strong>\u4e25\u683c\u7684\u8d28\u91cf\u63a7\u5236<\/strong>:\u81ea\u52a8\u4e09\u7ef4\u4eff\u771f\u548c\u7279\u6027\u5206\u6790\u786e\u4fdd\u4e86\u6027\u80fd\u7684\u4e00\u81f4\u6027<sub><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\"> <\/mark><a href=\"https:\/\/www.frontiersin.org\/journals\/materials\/articles\/10.3389\/fmats.2022.959480\/full?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">\u524d\u6cbf<\/mark><\/a><\/sub>.<\/li><\/ul><h2 class=\"wp-block-heading\">6.\u83b7\u53d6\u514d\u8d39\u8bc4\u4f30\u6837\u672c<\/h2><p>\u51c6\u5907\u597d\u52a0\u901f\u4e0b\u4e00\u6b21\u97f3\u9891\u8bbe\u8ba1\u4e86\u5417\uff1f<br><strong>\u514d\u8d39\u7d22\u53d6 MEMS \u9ea6\u514b\u98ce\u6837\u54c1<\/strong> \u65e0\u9521\u7845\u6e90\u79d1\u6280\u80a1\u4efd\u6709\u9650\u516c\u53f8\uff08SISTC\uff09\u4eca\u5929\u5ba3\u5e03\uff0c\u8be5\u516c\u53f8\u5c06\u4e8e 2012 \u5e74 1 \u6708 1 \u65e5\u63a8\u51fa\u4e00\u6b3e\u65b0\u4ea7\u54c1\u3002(SISTC) \u7684\u4ea7\u54c1\u3002\u4eb2\u8eab\u4f53\u9a8c\u6211\u4eec\u7684\u5c16\u7aef\u6027\u80fd\uff0c\u4e86\u89e3\u4e3a\u4ec0\u4e48\u9876\u7ea7 OEM \u4fe1\u4efb SISTC \u7684\u5d4c\u5165\u5f0f\u97f3\u9891\u89e3\u51b3\u65b9\u6848\u3002<\/p><p><a href=\"https:\/\/sistc.com\/zh\/contact\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#cf2e2e\" class=\"has-inline-color\">\u8054\u7cfb\u6211\u4eec\u7d22\u53d6\u6837\u54c1 \u2192<\/mark><\/a><\/p><h2 class=\"wp-block-heading\">7.\u7ed3\u8bba<\/h2><p>\u9009\u62e9\u5408\u9002\u7684\u6570\u5b57\u63a5\u53e3--PDM\uff08\u7b80\u6613\u6027\u548c\u6297\u566a\u6027\uff09\u6216 I\u00b2S\uff08\u53ef\u6269\u5c55\u6027\u548c\u4fe1\u53f7\u5b8c\u6574\u6027\uff09--\u53ef\u4ee5\u51b3\u5b9a\u4ea7\u54c1\u97f3\u9891\u5b50\u7cfb\u7edf\u7684\u6210\u8d25\u3002\u5229\u7528 SISTC \u7684\u591a\u529f\u80fd MEMS \u9ea6\u514b\u98ce\u4ea7\u54c1\u7cfb\u5217\u548c <strong>\u514d\u8d39\u6837\u54c1\u8ba1\u5212<\/strong>\u56e0\u6b64\uff0c\u4e0b\u4e00\u4ee3\u8bbe\u5907\u7684\u539f\u578b\u8bbe\u8ba1\u3001\u9a8c\u8bc1\u548c\u53d1\u5e03\u4ece\u672a\u5982\u6b64\u7b80\u5355\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5185\u5bb9\u6458\u8981 MEMS \u9ea6\u514b\u98ce\u6b63\u5728\u5f7b\u5e95\u6539\u53d8\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\u3001\u6c7d\u8f66\u7cfb\u7edf\u548c\u5de5\u4e1a\u7269\u8054\u7f51\u7684\u5d4c\u5165\u5f0f\u97f3\u9891\u3002\u5728\u8109\u51b2\u5bc6\u5ea6\u8c03\u5236\uff08PDM\uff09\u548c\u7247\u95f4\u96c6\u6210\u58f0\u97f3\uff08I\u00b2S\uff09\u6570\u5b57\u63a5\u53e3\u4e4b\u95f4\u76f4\u63a5 [...] \u8fdb\u884c\u9009\u62e9\u3002<\/p>","protected":false},"author":2,"featured_media":15054,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"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":"","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":[42,1],"tags":[],"class_list":["post-15050","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","category-company-news"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design - SILICON SOURCE<\/title>\n<meta name=\"description\" content=\"Compare PDM vs I\u00b2S interfaces for MEMS microphones\u2014optimize audio, power, and cost. Get free evaluation samples from SISTC. sistc.com\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sistc.com\/zh\/discover-key-pdm-differences-for-mems-microphones-xmos\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design - SILICON SOURCE\" \/>\n<meta property=\"og:description\" content=\"Compare PDM vs I\u00b2S interfaces for MEMS microphones\u2014optimize audio, power, and cost. Get free evaluation samples from SISTC. sistc.com\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sistc.com\/zh\/discover-key-pdm-differences-for-mems-microphones-xmos\/\" \/>\n<meta property=\"og:site_name\" content=\"SILICON SOURCE\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/business.facebook.com\/latest\/home?asset_id=383658428171103\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-28T07:42:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-27T04:13:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png\" \/>\n\t<meta property=\"og:image:width\" content=\"590\" \/>\n\t<meta property=\"og:image:height\" content=\"394\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"linfeng\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"linfeng\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/\"},\"author\":{\"name\":\"linfeng\",\"@id\":\"https:\/\/sistc.com\/#\/schema\/person\/5c7d09bb5273e23f6169c88d16b855b4\"},\"headline\":\"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design\",\"datePublished\":\"2025-04-28T07:42:31+00:00\",\"dateModified\":\"2025-05-27T04:13:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/\"},\"wordCount\":562,\"publisher\":{\"@id\":\"https:\/\/sistc.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png\",\"articleSection\":[\"Industry News\",\"Company News\"],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/\",\"url\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/\",\"name\":\"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design - SILICON SOURCE\",\"isPartOf\":{\"@id\":\"https:\/\/sistc.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png\",\"datePublished\":\"2025-04-28T07:42:31+00:00\",\"dateModified\":\"2025-05-27T04:13:41+00:00\",\"description\":\"Compare PDM vs I\u00b2S interfaces for MEMS microphones\u2014optimize audio, power, and cost. Get free evaluation samples from SISTC. sistc.com\",\"breadcrumb\":{\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage\",\"url\":\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png\",\"contentUrl\":\"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png\",\"width\":590,\"height\":394},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/sistc.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/sistc.com\/#website\",\"url\":\"https:\/\/sistc.com\/\",\"name\":\"SILICON SOURCE\",\"description\":\"Best Semiconductor Supplier\",\"publisher\":{\"@id\":\"https:\/\/sistc.com\/#organization\"},\"alternateName\":\"SISTC\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/sistc.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/sistc.com\/#organization\",\"name\":\"SILICON SOURCE\",\"url\":\"https:\/\/sistc.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/sistc.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/sistc.com\/wp-content\/uploads\/2024\/11\/logo-2.png\",\"contentUrl\":\"https:\/\/sistc.com\/wp-content\/uploads\/2024\/11\/logo-2.png\",\"width\":209,\"height\":53,\"caption\":\"SILICON SOURCE\"},\"image\":{\"@id\":\"https:\/\/sistc.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/business.facebook.com\/latest\/home?asset_id=383658428171103\",\"http:\/\/www.linkedin.com\/in\/denny-tan-5b1a18311\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/sistc.com\/#\/schema\/person\/5c7d09bb5273e23f6169c88d16b855b4\",\"name\":\"linfeng\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/sistc.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/sistc.com\/wp-content\/litespeed\/avatar\/173edafd470726f7f11efc91e3db1f5e.jpg?ver=1776745285\",\"contentUrl\":\"https:\/\/sistc.com\/wp-content\/litespeed\/avatar\/173edafd470726f7f11efc91e3db1f5e.jpg?ver=1776745285\",\"caption\":\"linfeng\"},\"url\":\"https:\/\/sistc.com\/zh\/author\/linfeng\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design - SILICON SOURCE","description":"Compare PDM vs I\u00b2S interfaces for MEMS microphones\u2014optimize audio, power, and cost. Get free evaluation samples from SISTC. sistc.com","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sistc.com\/zh\/discover-key-pdm-differences-for-mems-microphones-xmos\/","og_locale":"zh_CN","og_type":"article","og_title":"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design - SILICON SOURCE","og_description":"Compare PDM vs I\u00b2S interfaces for MEMS microphones\u2014optimize audio, power, and cost. Get free evaluation samples from SISTC. sistc.com","og_url":"https:\/\/sistc.com\/zh\/discover-key-pdm-differences-for-mems-microphones-xmos\/","og_site_name":"SILICON SOURCE","article_publisher":"https:\/\/business.facebook.com\/latest\/home?asset_id=383658428171103","article_published_time":"2025-04-28T07:42:31+00:00","article_modified_time":"2025-05-27T04:13:41+00:00","og_image":[{"width":590,"height":394,"url":"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png","type":"image\/png"}],"author":"linfeng","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"linfeng","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#article","isPartOf":{"@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/"},"author":{"name":"linfeng","@id":"https:\/\/sistc.com\/#\/schema\/person\/5c7d09bb5273e23f6169c88d16b855b4"},"headline":"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design","datePublished":"2025-04-28T07:42:31+00:00","dateModified":"2025-05-27T04:13:41+00:00","mainEntityOfPage":{"@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/"},"wordCount":562,"publisher":{"@id":"https:\/\/sistc.com\/#organization"},"image":{"@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage"},"thumbnailUrl":"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png","articleSection":["Industry News","Company News"],"inLanguage":"zh-Hans"},{"@type":"WebPage","@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/","url":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/","name":"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design - SILICON SOURCE","isPartOf":{"@id":"https:\/\/sistc.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage"},"image":{"@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage"},"thumbnailUrl":"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png","datePublished":"2025-04-28T07:42:31+00:00","dateModified":"2025-05-27T04:13:41+00:00","description":"Compare PDM vs I\u00b2S interfaces for MEMS microphones\u2014optimize audio, power, and cost. Get free evaluation samples from SISTC. sistc.com","breadcrumb":{"@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#primaryimage","url":"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png","contentUrl":"https:\/\/sistc.com\/wp-content\/uploads\/2025\/04\/1745826087253.png","width":590,"height":394},{"@type":"BreadcrumbList","@id":"https:\/\/sistc.com\/discover-key-pdm-differences-for-mems-microphones-xmos\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/sistc.com\/"},{"@type":"ListItem","position":2,"name":"PDM vs. I\u00b2S \u2014 Choose the Perfect Digital Interface for Your Next MEMS Microphone Design"}]},{"@type":"WebSite","@id":"https:\/\/sistc.com\/#website","url":"https:\/\/sistc.com\/","name":"\u7845\u6e90","description":"\u6700\u4f73\u534a\u5bfc\u4f53\u4f9b\u5e94\u5546","publisher":{"@id":"https:\/\/sistc.com\/#organization"},"alternateName":"SISTC","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/sistc.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/sistc.com\/#organization","name":"\u7845\u6e90","url":"https:\/\/sistc.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/sistc.com\/#\/schema\/logo\/image\/","url":"https:\/\/sistc.com\/wp-content\/uploads\/2024\/11\/logo-2.png","contentUrl":"https:\/\/sistc.com\/wp-content\/uploads\/2024\/11\/logo-2.png","width":209,"height":53,"caption":"SILICON SOURCE"},"image":{"@id":"https:\/\/sistc.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/business.facebook.com\/latest\/home?asset_id=383658428171103","http:\/\/www.linkedin.com\/in\/denny-tan-5b1a18311"]},{"@type":"Person","@id":"https:\/\/sistc.com\/#\/schema\/person\/5c7d09bb5273e23f6169c88d16b855b4","name":"linfeng","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/sistc.com\/#\/schema\/person\/image\/","url":"https:\/\/sistc.com\/wp-content\/litespeed\/avatar\/173edafd470726f7f11efc91e3db1f5e.jpg?ver=1776745285","contentUrl":"https:\/\/sistc.com\/wp-content\/litespeed\/avatar\/173edafd470726f7f11efc91e3db1f5e.jpg?ver=1776745285","caption":"linfeng"},"url":"https:\/\/sistc.com\/zh\/author\/linfeng\/"}]}},"_links":{"self":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15050","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=15050"}],"version-history":[{"count":0,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/posts\/15050\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media\/15054"}],"wp:attachment":[{"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/media?parent=15050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/categories?post=15050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sistc.com\/zh\/wp-json\/wp\/v2\/tags?post=15050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}