{"id":5167,"date":"2021-10-26T11:25:13","date_gmt":"2021-10-26T03:25:13","guid":{"rendered":"http:\/\/www.szryc.com\/?p=5167"},"modified":"2021-10-26T11:34:57","modified_gmt":"2021-10-26T03:34:57","slug":"%e5%89%8d%e7%ab%af%e6%94%be%e5%a4%a7%e5%99%a8%e4%b8%ad%e4%bd%bf%e7%94%a8esd%e4%ba%8c%e6%9e%81%e7%ae%a1%e4%bd%9c%e4%b8%ba%e7%94%b5%e5%8e%8b%e9%92%b3%e7%9a%84%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=5167","title":{"rendered":"\u524d\u7aef\u653e\u5927\u5668\u4e2d\u4f7f\u7528ESD\u4e8c\u6781\u7ba1\u4f5c\u4e3a\u7535\u538b\u94b3\u7684\u8bbe\u8ba1"},"content":{"rendered":"<p>\u5728\u8f93\u5165\u4e0d\u53d7\u7cfb\u7edf\u63a7\u5236\u800c\u662f\u8fde\u63a5\u5230\u5916\u90e8\u4e16\u754c\u7684\u8bb8\u591a\u5e94\u7528\u4e2d\uff0c\u4f8b\u5982<u>\u6d4b\u8bd5<\/u>\u8bbe\u5907\u3001\u4eea\u5668\u4eea\u8868\u548c\u4e00\u4e9b\u4f20\u611f\u8bbe\u5907\uff0c\u8f93\u5165\u7535\u538b\u53ef\u80fd\u4f1a\u8d85\u8fc7\u524d\u7aef<u>\u653e\u5927\u5668<\/u>\u7684\u6700\u5927\u989d\u5b9a\u7535\u538b\u3002\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\uff0c\u5fc5\u987b\u5b9e\u65bd\u4fdd\u62a4\u65b9\u6848\u4ee5\u4fdd\u6301\u8bbe\u8ba1\u7684\u751f\u5b58\u8303\u56f4\u548c\u7a33\u5065\u6027\u3002<\/p>\n<p>\u524d\u7aef\u653e\u5927\u5668\u7684\u5185\u90e8 ESD \u4e8c\u6781\u7ba1\u6709\u65f6\u7528\u4e8e\u94b3\u4f4d\u8fc7\u538b\u6761\u4ef6\uff0c\u4f46\u9700\u8981\u8003\u8651\u8bb8\u591a\u56e0\u7d20\u4ee5\u786e\u4fdd\u8fd9\u4e9b\u94b3\u4f4d\u80fd\u591f\u63d0\u4f9b\u8db3\u591f\u800c\u5f3a\u5927\u7684\u4fdd\u62a4\u3002\u4e86\u89e3\u524d\u7aef\u653e\u5927\u5668\u5185\u90e8\u7684\u5404\u79cd ESD \u4e8c\u6781\u7ba1\u67b6\u6784\uff0c\u4ee5\u53ca\u4e86\u89e3\u7ed9\u5b9a\u4fdd\u62a4<u>\u7535\u8def<\/u>\u7684\u70ed\u548c\u7535\u8fc1\u79fb\u5f71\u54cd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8bbe\u8ba1\u4eba\u5458\u907f\u514d\u5176<u>\u4fdd\u62a4\u7535\u8def<\/u>\u51fa\u73b0\u95ee\u9898\u5e76\u63d0\u9ad8\u5176\u5728\u73b0\u573a\u5e94\u7528\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n<p>ESD \u4e8c\u6781\u7ba1\u914d\u7f6e<\/p>\n<p>\u91cd\u8981\u7684\u662f\u8981\u4e86\u89e3\u5e76\u975e\u6240\u6709 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\u663e\u793a\u4e86\u5728\u8f93\u5165\u5f15\u811a\u548c\u7535\u6e90\u4e4b\u95f4\u8fde\u63a5\u6709\u4e8c\u6781\u7ba1\u7684\u653e\u5927\u5668\u793a\u4f8b\u3002\u4e8c\u6781\u7ba1\u5728\u6b63\u5e38\u5de5\u4f5c\u6761\u4ef6\u4e0b\u53cd\u5411\u504f\u7f6e\uff0c\u4f46\u5f53\u8f93\u5165\u4e0a\u5347\u5230\u9ad8\u4e8e\u6b63\u7535\u6e90\u7535\u538b\u6216\u4f4e\u4e8e\u8d1f\u7535\u6e90\u7535\u538b\u65f6\u53d8\u4e3a\u6b63\u5411\u504f\u7f6e\u3002\u5f53\u4e8c\u6781\u7ba1\u6b63\u5411\u504f\u7f6e\u65f6\uff0c<u>\u7535\u6d41<\/u>\u4f1a\u901a\u8fc7\u653e\u5927\u5668\u7684\u8f93\u5165\u6d41\u5230\u76f8\u5e94\u7684\u7535\u6e90\u3002<\/p>\n<p>\u5728\u56fe 1 \u4e2d\u7684\u7535\u8def\u7684\u60c5\u51b5\u4e0b\uff0c\u5f53\u8fc7\u538b\u8d85\u8fc7 +Vs \u65f6\uff0c\u8f93\u5165\u7535\u6d41\u672c\u8eab\u4e0d\u4f1a\u53d7\u5230\u653e\u5927\u5668\u672c\u8eab\u7684\u9650\u5236\uff0c\u5e76\u4e14\u9700\u8981\u4ee5\u4e32\u8054<u>\u7535\u963b<\/u>\u5668\u7684\u5f62\u5f0f\u8fdb\u884c\u5916\u90e8\u7535\u6d41\u9650\u5236\u3002\u5f53\u7535\u538b\u4f4e\u4e8e \u2013Vs \u65f6\uff0c400\u03a9 \u7535\u963b\u4f1a\u63d0\u4f9b\u4e00\u4e9b\u7535\u6d41\u9650\u5236\uff0c\u8fd9\u5e94\u8be5\u88ab\u7eb3\u5165\u4efb\u4f55\u8bbe\u8ba1\u8003\u8651\u56e0\u7d20\u3002<span class=\"wbspy-placeholder-tip\" style=\"position: absolute; top: 50%; left: 0; width: 100%; text-align: center; line-height: 20px; font-size: 16px; margin-top: -10px;\">imgSpider \u91c7\u96c6\u4e2d...<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u56fe 1\uff1a<u>AD<\/u>8221 \u7684\u8f93\u5165 ESD \u62d3\u6251<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5170\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/1.png\" alt=\"\" width=\"395\" height=\"235\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/1.png 395w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/1-300x178.png 300w\" sizes=\"(max-width: 395px) 100vw, 395px\" \/><\/div>\n<p>\u56fe 2 \u663e\u793a\u4e86\u4e00\u4e2a\u5177\u6709\u7c7b\u4f3c\u4e8c\u6781\u7ba1\u914d\u7f6e\u7684\u653e\u5927\u5668\uff0c\u4f46\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7535\u6d41\u53d7\u5230\u5185\u90e8 2.2k\u03a9 \u4e32\u8054\u7535\u963b\u7684\u9650\u5236\u3002\u8fd9\u4e0e\u56fe 1 \u6240\u793a\u7535\u8def\u7684\u4e0d\u540c\u4e4b\u5904\u4e0d\u4ec5\u5728\u4e8e\u9650\u5236 R \u7684\u503c\uff0c\u800c\u4e14\u8fd8\u5728\u4e8e 2.2k\u03a9 \u53ef\u9632\u6b62\u7535\u538b\u9ad8\u4e8e +Vs\u3002\u8fd9\u662f\u4f7f\u7528 ESD \u4e8c\u6781\u7ba1\u65f6\u5fc5\u987b\u5145\u5206\u7406\u89e3\u4ee5\u4f18\u5316\u4fdd\u62a4\u7684\u590d\u6742\u6027\u793a\u4f8b\u3002<\/p>\n<p>\u56fe 2\uff1aAD8250 \u7684\u8f93\u5165 ESD \u62d3\u6251<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5171\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/2.png\" alt=\"\" width=\"424\" height=\"242\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/2.png 424w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/2-300x171.png 300w\" sizes=\"(max-width: 424px) 100vw, 424px\" \/><\/div>\n<p>\u9650\u6d41 JFET<br \/>\n\u4e0e\u56fe 1 \u548c\u56fe 2 \u4e2d\u7684\u5b9e\u65bd\u65b9\u5f0f\u76f8\u6bd4\uff0c\u9650\u6d41 JFET \u53ef\u4ee5\u5728 IC \u8bbe\u8ba1\u4e2d\u7528\u4f5c\u4e8c\u6781\u7ba1\u94b3\u4f4d\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u56fe 3 \u663e\u793a\u4e86\u4e00\u4e2a\u793a\u4f8b\uff0c\u5176\u4e2d\u5f53\u8f93\u5165\u7535\u538b\u8d85\u8fc7\u5668\u4ef6\u7684\u6307\u5b9a\u5de5\u4f5c\u8303\u56f4\u65f6\uff0cJFET \u7528\u4e8e\u4fdd\u62a4\u5668\u4ef6\u3002\u8be5\u5668\u4ef6\u901a\u8fc7 JFET \u8f93\u5165\u4ece\u76f8\u53cd\u7684\u7535\u6e90\u8f68\u83b7\u5f97\u9ad8\u8fbe 40V \u7684\u56fa\u6709\u4fdd\u62a4\u3002\u56e0\u4e3a JFET \u4f1a\u9650\u5236\u8fdb\u5165\u8f93\u5165\u5f15\u811a\u7684\u7535\u6d41\uff0c\u6240\u4ee5 ESD \u5355\u5143\u4e0d\u80fd\u7528\u4f5c\u989d\u5916\u7684\u8fc7\u538b\u4fdd\u62a4\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5172\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/4.png\" alt=\"\" width=\"396\" height=\"408\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/4.png 396w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/4-291x300.png 291w\" sizes=\"(max-width: 396px) 100vw, 396px\" \/><\/div>\n<p>\u5728\u9700\u8981\u9ad8\u8fbe 40V \u7684\u7535\u538b\u4fdd\u62a4\u65f6\uff0c\u8be5\u5668\u4ef6\u7684 JFET \u4fdd\u62a4\u63d0\u4f9b\u4e86\u4e00\u4e2a\u63a7\u5236\u826f\u597d\u3001\u53ef\u9760\u3001\u5b8c\u5168\u6307\u5b9a\u7684\u4fdd\u62a4\u9009\u9879\u3002\u8fd9\u901a\u5e38\u4e0e\u4f7f\u7528 ESD \u4e8c\u6781\u7ba1\u8fdb\u884c\u4fdd\u62a4\u5f62\u6210\u5bf9\u6bd4\uff0c\u5176\u4e2d\u5173\u4e8e\u4e8c\u6781\u7ba1\u7535\u6d41\u9650\u5236\u7684\u4fe1\u606f\u901a\u5e38\u6307\u5b9a\u4e3a\u5178\u578b\u4fe1\u606f\uff0c\u6216\u8005\u53ef\u80fd\u6839\u672c\u6ca1\u6709\u6307\u5b9a\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5173\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/3.png\" alt=\"\" width=\"500\" height=\"310\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/3.png 500w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/3-300x186.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/div>\n<p>\u56fe 3\uff1aAD8226 \u7684\u8f93\u5165\u4fdd\u62a4\u65b9\u6848<\/p>\n<p>\u4e8c\u6781\u7ba1\u5806\u6808<\/p>\n<p>\u5728\u5141\u8bb8\u8f93\u5165\u7535\u538b\u8d85\u8fc7\u7535\u6e90\u7535\u538b\u6216\u63a5\u5730\u7684\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u7ec4\u4e8c\u6781\u7ba1\u6765\u4fdd\u62a4\u8f93\u5165\u514d\u53d7 ESD \u4e8b\u4ef6\u7684\u5f71\u54cd\u3002\u56fe 4 \u663e\u793a\u4e86\u4e00\u4e2a\u5b9e\u65bd\u5806\u53e0\u4e8c\u6781\u7ba1\u4fdd\u62a4\u65b9\u6848\u7684\u653e\u5927\u5668\u3002\u5728\u6b64\u914d\u7f6e\u4e2d\uff0c\u4e8c\u6781\u7ba1\u4e32\u7528\u4e8e\u9632\u6b62\u51fa\u73b0\u8d1f\u77ac\u6001\u3002\u4e8c\u6781\u7ba1\u4e32\u7528\u4e8e\u9650\u5236\u53ef\u7528\u8f93\u5165\u8303\u56f4\u5185\u7684\u6f0f\u7535\u6d41\uff0c\u4f46\u5728\u8d85\u8fc7\u8d1f\u5171\u6a21\u8303\u56f4\u65f6\u63d0\u4f9b\u4fdd\u62a4\u3002\u8bf7\u8bb0\u4f4f\uff0c\u552f\u4e00\u7684\u7535\u6d41\u9650\u5236\u662f\u4e8c\u6781\u7ba1\u4e32\u7684\u7b49\u6548\u4e32\u8054\u7535\u963b\u3002\u5916\u90e8\u4e32\u8054\u7535\u963b\u53ef\u7528\u4e8e\u964d\u4f4e\u7ed9\u5b9a\u7535\u538b\u7535\u5e73\u7684\u8f93\u5165\u7535\u6d41\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5174\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/5.png\" alt=\"\" width=\"436\" height=\"413\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/5.png 436w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/5-300x284.png 300w\" sizes=\"(max-width: 436px) 100vw, 436px\" \/><\/div>\n<p>\u56fe 4\uff1aAD8417 \u7684\u4f4e\u8fb9\u8f93\u5165\u4fdd\u62a4\u65b9\u6848<\/p>\n<p>\u80cc\u5bf9\u80cc\u4e8c\u6781\u7ba1<\/p>\n<p>\u5f53\u8f93\u5165\u7535\u538b\u8303\u56f4\u5141\u8bb8\u8d85\u8fc7\u7535\u6e90\u65f6\uff0c\u4e5f\u4f7f\u7528\u80cc\u5bf9\u80cc\u4e8c\u6781\u7ba1\u3002\u56fe 4 \u663e\u793a\u4e86\u4e00\u4e2a\u653e\u5927\u5668\uff0c\u5b83\u91c7\u7528\u80cc\u5bf9\u80cc\u4e8c\u6781\u7ba1\u4e3a\u5668\u4ef6\u63d0\u4f9b\u00a0<u>ESD \u4fdd\u62a4<\/u>\uff0c\u8be5\u5668\u4ef6\u5141\u8bb8\u4f7f\u7528 3.3V \u7535\u6e90\u63d0\u4f9b\u9ad8\u8fbe 70V \u7684\u7535\u538b\u3002D4 \u548c D5 \u662f\u9ad8\u538b\u4e8c\u6781\u7ba1\uff0c\u7528\u4e8e\u9694\u79bb\u8f93\u5165\u5f15\u811a\u4e0a\u53ef\u80fd\u5b58\u5728\u7684\u9ad8\u538b\uff0cD1 \u548c D2 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