{"id":3018,"date":"2020-03-28T03:19:24","date_gmt":"2020-03-28T03:19:24","guid":{"rendered":""},"modified":"2020-03-28T11:20:24","modified_gmt":"2020-03-28T03:20:24","slug":"%e4%bd%8e%e4%be%a7%e7%94%b5%e6%b5%81%e6%b5%8b%e9%87%8f%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%b5%8b%e9%87%8f%e6%96%b9%e6%b3%95%e7%9a%84%e5%88%a9%e5%bc%8a%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=3018","title":{"rendered":"\u4f4e\u4fa7\u7535\u6d41\u6d4b\u91cf\u7684\u4e24\u79cd\u6d4b\u91cf\u65b9\u6cd5\u7684\u5229\u5f0a\u5206\u6790"},"content":{"rendered":"

\n\t\u4e24\u79cd\u6d4b\u91cf<\/u>\u65b9\u6cd5\u5404\u6709\u5229\u5f0a\u3002\u4f4e\u4fa7\u7535\u6d41<\/u>\u6d4b\u91cf\u7684\u4f18\u70b9\u4e4b\u4e00\u662f\u5171\u6a21\u7535\u538b\uff0c\u5373\u6d4b\u91cf\u8f93\u5165\u7aef\u7684\u5e73\u5747\u7535\u538b\u63a5\u8fd1\u4e8e\u96f6\u3002\u8fd9\u6837\u66f4\u4fbf\u4e8e\u8bbe\u8ba1\u5e94\u7528\u7535\u8def<\/u>\uff0c\u4e5f\u4fbf\u4e8e\u9009\u62e9\u9002\u5408\u8fd9\u79cd\u6d4b\u91cf\u7684\u5668\u4ef6\u3002\u7531\u4e8e\u7535\u6d41\u611f\u6d4b\u7535\u8def\u6d4b\u5f97\u7684\u7535\u538b\u63a5\u8fd1\u4e8e\u5730\uff0c\u56e0\u6b64\u5728\u5904\u7406\u975e\u5e38\u9ad8\u7684\u7535\u538b\u65f6\u3001\u6216\u8005\u5728\u7535\u6e90\u7535\u538b\u53ef\u80fd \u6613\u4e8e\u51fa\u73b0\u5c16\u5cf0\u6216\u6d6a\u6d8c\u7684\u5e94\u7528\u4e2d\uff0c \u4f18\u5148\u9009\u62e9\u8fd9\u79cd\u65b9\u6cd5\u6d4b\u91cf\u7535\u6d41\u3002\u7531\u4e8e\u4f4e\u4fa7\u7535\u6d41\u611f\u6d4b\u80fd\u591f\u6297\u9ad8\u538b\u5c16\u5cf0\u5e72\u6270\uff0c\u5e76\u80fd\u76d1\u6d4b\u9ad8\u538b\u7cfb\u7edf\u4e2d\u7684\u7535\u6d41\uff0c\u56e0\u6b64\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5f88\u591a\u6c7d\u8f66\u3001\u5de5\u4e1a\u548c\u7535\u4fe1 \u5e94\u7528\u4e2d\u3002\u4f4e\u4fa7\u7535\u6d41\u611f\u6d4b\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u91c7\u7528\u7535\u6e90\u63a5\u5730\u7aef\u548c\u8d1f\u8f7d\/\u7cfb\u7edf\u63a5\u5730\u7aef\u65f6\uff0c\u611f\u6d4b\u7535\u963b<\/u>\u4e24\u7aef\u7684\u538b\u964d\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u5982\u679c\u5176\u4ed6\u7535\u8def\u4ee5\u7535\u6e90\u63a5\u5730\u7aef\u4e3a\u57fa\u51c6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u95ee\u9898\u3002\u4e3a\u6700\u5927\u9650\u5ea6\u5730\u907f\u514d\u6b64\u95ee\u9898\uff0c\u5b58\u5728\u4ea4\u4e92\u7684\u6240\u6709\u7535\u8def\u5747\u5e94\u4ee5\u540c\u4e00\u63a5\u5730\u7aef\u4e3a\u57fa\u51c6\u3002\u964d\u4f4e\u7535\u6d41\u611f\u6d4b\u7535\u963b\u503c\u6709\u52a9\u4e8e\u5c3d\u91cf\u51cf\u5c0f\u63a5\u5730\u6f02\u79fb\u3002<\/p>\n

\n\t\"\u4f4e\u4fa7\u7535\u6d41\u6d4b\u91cf\u7684\u4e24\u79cd\u6d4b\u91cf\u65b9\u6cd5\u7684\u5229\u5f0a\u5206\u6790\"<\/p>\n

\n\t <\/div>\n

\n\t\u56fe 1. \u7535\u6d41\u611f\u6d4b\u65b9\u6cd5<\/p>\n

\n\t\u8bbe\u8ba1\u7535\u8def\u6216\u9009\u62e9\u7528\u4e8e\u7535\u6d41\u6d4b\u91cf\u7684\u5668\u4ef6\u65f6\uff0c\u4f4e\u4fa7\u7535\u6d41\u611f\u6d4b\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u7531\u4e8e\u8f93\u5165\u7aef\u7684\u5171\u6a21\u7535\u538b\u4f4e\uff0c\u56e0\u6b64\u53ef\u4f7f\u7528\u5dee\u5206\u653e\u5927\u5668<\/u>\u62d3\u6251\u3002\u56fe 2 \u7ed9\u51fa\u4e86\u91c7\u7528\u8fd0\u7b97\u653e\u5927\u5668<\/u>(\u8fd0\u653e)\u7684\u7ecf\u5178\u5dee\u5206\u653e\u5927\u5668\u62d3\u6251\u3002<\/p>\n

\n\t\"\u4f4e\u4fa7\u7535\u6d41\u6d4b\u91cf\u7684\u4e24\u79cd\u6d4b\u91cf\u65b9\u6cd5\u7684\u5229\u5f0a\u5206\u6790\"<\/p>\n

\n\t\u56fe 2. \u7528\u4e8e\u4f4e\u4fa7\u611f\u6d4b\u7684\u8fd0\u7b97\u653e\u5927\u5668\u914d\u7f6e<\/p>\n

\n\t\u4f7f\u7528\u8fd0\u653e\u8fdb\u884c\u7535\u6d41\u611f\u6d4b\u65f6\uff0c\u8981\u786e\u4fdd\u8fd0\u7b97\u6b63\u786e\uff0c\u9700\u8981\u6ee1\u8db3\u591a\u9879\u6027\u80fd\u8981\u6c42\u3002\u9996\u5148\uff0c\u901a\u8fc7\u4fe1\u53f7\u7535\u6e90\u5de5\u4f5c\u65f6\uff0c\u8fd0\u7b97\u653e\u5927\u5668\u9700\u8981\u652f\u6301\u5bf9\u5730\u7684\u5171\u6a21\u8f93\u5165\u7535\u538b\u3002\u7531\u4e8e\u5dee\u5206\u653e\u5927\u5668\u901a\u5e38\u4f1a\u63d0\u9ad8\u5dee\u5206\u8f93\u5165\u4fe1\u53f7\u7684\u589e\u76ca\uff0c\u56e0\u6b64\u52a1\u5fc5\u6446\u52a8\u5230\u8fd0\u653e\u7684\u8f68\u89c4\u8303\u8303\u56f4\u5185\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u6b63\u5e38\u4f20\u9012\u5230\u8f93\u51fa\u7aef\u3002\u7531\u4e8e\u4e0a\u8ff0\u539f\u56e0\uff0c\u901a\u5e38\u4f1a\u4f18\u5148\u4f7f\u7528\u8f68\u5230\u8f68\u8f93\u5165\u548c\u8f93\u51fa\u8fd0\u7b97\u653e\u5927\u5668\u8fdb\u884c\u7535\u6d41\u611f\u6d4b\u3002\u7531\u4e8e\u5728\u5dee\u5206\u653e\u5927\u5668\u914d\u7f6e\u4e2d\u5e76\u672a\u6307\u5b9a\u8fd0\u7b97\u653e\u5927\u5668\uff0c\u56e0\u6b64\u96be\u4ee5\u5224\u65ad\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4f1a\u8fbe\u5230\u4f55\u79cd\u6027\u80fd\u3002\u5982\u679c\u5728\u8fd0\u653e\u5468\u56f4\u589e\u52a0\u7535\u963b\uff0c\u5efa\u7acb\u7535\u6d41\u611f\u6d4b\u7535\u8def\uff0c\u5219\u8f6c\u6362\u7387\u3001\u5e26\u5bbd\u3001\u8f93\u5165\u7535\u6d41\u3001\u5171\u6a21\u6291\u5236\u4ee5\u53ca\u6f02\u79fb\u7b49\u53c2\u6570\u6027\u80fd\u90fd\u4f1a\u4e0b\u964d\u3002\u53c2\u6570\u6027\u80fd\u4e0b\u964d\u7a0b\u5ea6\u5c06\u53d6\u51b3\u4e8e\u653e\u5927\u5668\u7684\u95ed\u73af\u589e\u76ca\u4ee5\u53ca\u589e\u76ca\u8bbe\u7f6e\u7535\u963b\u7684\u503c\u3002\u91c7\u7528\u5206\u7acb\u89e3\u51b3\u65b9\u6848\u65f6\uff0c\u9700\u8981\u8003\u8651\u56fe 2 \u4e2d R1 \u548c R2 \u7684\u5339\u914d\u548c\u5bb9\u5dee\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u5143\u4ef6\u7684\u53d8\u5316\u5c06\u76f4\u63a5\u5f71\u54cd\u7535\u8def\u7684\u589e\u76ca\u8bef\u5dee\u3002<\/p>\n

\n\t <\/p>\n

\n\t\u82e5\u8981\u514b\u670d\u5206\u7acb\u5b9e\u73b0\u65b9\u6848\u7684\u7f3a\u9677\uff0c\u4e00\u79cd\u6709\u6548\u65b9\u5f0f\u662f\u91c7\u7528\u56fe3 \u4e2d\u6240\u793a\u7684\u7535\u6d41\u611f\u6d4b\u653e\u5927\u5668\u3002<\/p>\n

\n\t\"\u4f4e\u4fa7\u7535\u6d41\u6d4b\u91cf\u7684\u4e24\u79cd\u6d4b\u91cf\u65b9\u6cd5\u7684\u5229\u5f0a\u5206\u6790\"<\/p>\n

\n\t\u56fe 3. \u91c7\u7528 INA199 \u7535\u6d41\u611f\u6d4b\u653e\u5927\u5668\u8fdb\u884c\u4f4e\u4fa7\u7535\u6d41\u611f\u6d4b<\/p>\n

\n\t\u7535\u6d41\u611f\u6d4b\u653e\u5927\u5668\u96c6\u6210\u4e86\u589e\u76ca\u8bbe\u7f6e\u7535\u963b\uff0c\u4ece\u800c\u53ef\u51cf\u5c11\u5206\u7acb\u5b9e\u73b0\u65b9\u6848\u5b58\u5728\u7684\u8bf8\u591a\u5e03\u5c40\u95ee\u9898\u3002\u5185\u90e8\u7535\u963b\u8bbe\u8ba1\u7528\u4e8e\u51cf\u5c11\u4e0d\u5339\u914d\u60c5\u51b5\uff0c\u4ece\u800c\u53ef\u4f18\u5316\u589e\u76ca\u8bef\u5dee\u89c4\u8303\u3002\u7535\u6d41\u611f\u6d4b\u653e\u5927\u5668\u7ecf\u8fc7\u9884\u5148\u914d\u7f6e\uff0c\u53ef\u6ee1\u8db3\u591a\u79cd\u4e0d\u540c\u7684\u589e\u76ca\u8981\u6c42\u3002\u4f8b\u5982\uff0cINA199 \u7684\u589e\u76ca\u53ef\u4e3a50\u3001100\u548c200V\/V\u3002\u5e26\u5bbd\u548c\u5bb9\u6027\u8d1f\u8f7d\u7a33\u5b9a\u6027\u4f7f\u7528\u6570\u636e\u8868\u4e2d\u6307\u5b9a\u7684\u6700\u5927\u5bb9\u6027\u8d1f\u8f7d\u9488\u5bf9\u5404\u4e2a\u589e\u76ca\u8bbe\u7f6e\u8fdb\u884c\u4e86\u4f18\u5316\u3002\u96c6\u6210\u589e\u76ca\u8bbe\u7f6e\u7535\u963b\u53ef\u964d\u4f4e\u566a\u58f0\u7075\u654f\u5ea6\u3001\u51cf\u5c0f PCB \u5360\u7528\u9762\u79ef\uff0c\u5e76\u53ef\u7b80\u5316\u5e03\u5c40\u3002\u96c6\u6210\u8fd9\u4e9b\u7535\u963b\u5e76\u4e0d\u4e00\u5b9a\u610f\u5473\u7740\u4f1a\u589e\u5927\u5c01\u88c5\u5c3a\u5bf8\u3002INA199 \u53ef\u91c7\u7528 2 mm x 1.25 mm SC70 6 \u5f15\u7ebf\u5c01\u88c5\u548c 1.8 mm x1.4 mm \u8d85\u8584\u56db\u65b9\u6241\u5e73\u65e0\u5f15\u7ebf (UQFN) \u5c01\u88c5\u3002<\/p>\n

\n\tINA199 \u7684\u7535\u6d41\u6d4b\u91cf\u7cbe\u5ea6\u8981\u9ad8\u4e8e\u6210\u672c\u6548\u76ca\u9ad8\u7684\u5206\u7acb\u8fd0\u653e\u8bbe\u8ba1\u53ef\u8fbe\u5230\u7684\u7cbe\u5ea6\u3002\u8be5\u5668\u4ef6 \u5728 -40°C \u81f3 105°C \u6e29\u5ea6\u8303\u56f4\u5185\u7684\u6700\u5927\u589e\u76ca\u8bef\u5dee\u4e3a 1.5%\u3002INA199 \u7684\u504f\u79fb\u5c0f\u4e8e 150μV\uff0c\u6f02\u79fb\u4f4e\u4e8e 0.5 μV\/°C\u3002<\/p>\n

\n\tINA199 \u8fd8 \u5177\u6709 REF \u5f15\u811a\u3002\u65bd\u52a0\u5230 REF \u5f15\u811a\u4e0a\u7684\u7535\u538b\u4f1a\u589e\u5927\u8f93\u51fa\u7aef\u7535\u538b\u3002\u5982\u679c\u4e0b\u6e38\u5668\u4ef6\u9700\u8981\u8f6c\u6362\u7535\u6d41\u4fe1\u53f7\u7535\u5e73\uff0c\u53ef\u4f7f\u7528\u8be5\u5f15\u811a\u3002<\/p>\n

\n\t\u5907\u9009\u5668\u4ef6\u5efa\u8bae<\/p>\n

\n\t\u5bf9\u4e8e\u5bf9\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684 \u5e94\u7528\uff0c INA210-215 \u7cfb\u5217\u5668\u4ef6\u5177\u6709\u8f83\u4f4e\u7684\u504f\u79fb(\u6700\u5927 35μV)\u548c\u589e\u76ca\u8bef\u5dee(\u6700\u5927 1%)\u3002\u5982\u679c\u9700\u8981\u4f7f\u7528\u6570\u5b57\u63a5\u53e3<\/u>\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u7535\u6d41\u76d1\u6d4b\uff0cINA226<\/u>\u5177\u6709 \u6700\u5927 10 μV \u7684\u504f\u79fb\u4ee5\u53ca 0.1% \u7684\u589e\u76ca\u8bef\u5dee\u3002\u5982\u679c\u9700\u8981\u5c0f\u578b\u6570\u5b57\u7535\u6d41\u76d1\u6d4b\uff0c\u53ef\u9009\u62e9\u91c7\u7528\u5c0f\u578b 1.68 mm x 1.43mm \u5c01\u88c5\u7684 INA231\uff0c\u5b83\u975e\u5e38\u9002\u5408\u4fbf\u643a\u5f0f\u5e94\u7528\u6216\u7a7a\u95f4\u53d7\u9650\u7684\u5176\u4ed6 \u5e94\u7528\u3002\u5982\u679c\u9700\u8981\u901a\u8fc7\u5f15\u811a\u53ef\u7ed1\u5b9a\u7684\u589e\u76ca\u8bbe\u7f6e\u8fdb\u884c\u7535\u538b\u8f93\u51fa\u7535\u6d41\u76d1\u6d4b\uff0c\u53ef\u91c7\u7528 INA225\u3002<\/p>\n

\n\t\u8868 1. \u5907\u9009\u5668\u4ef6\u5efa\u8bae<\/p>\n

\n\t<\/p>\n

\n\t\u8868 2. \u76f8\u5173\u6280\u672f\u62a5\u544a<\/p>\n

\n\t<\/p>\n

\n\t\u8d23\u4efb\u7f16\u8f91\uff1agt<\/p>\n

\n\t\u56fe 1. \u7535\u6d41\u611f\u6d4b\u65b9\u6cd5<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e24\u79cd \u6d4b\u91cf \u65b9\u6cd5\u5404\u6709\u5229\u5f0a\u3002\u4f4e\u4fa7 \u7535\u6d41 \u6d4b\u91cf\u7684\u4f18\u70b9\u4e4b\u4e00\u662f\u5171\u6a21\u7535\u538b\uff0c\u5373\u6d4b\u91cf\u8f93\u5165\u7aef\u7684\u5e73\u5747\u7535\u538b\u63a5\u8fd1\u4e8e\u96f6\u3002\u8fd9\u6837\u66f4\u4fbf\u4e8e\u8bbe\u8ba1\u5e94\u7528 \u7535\u8def \uff0c\u4e5f\u4fbf\u4e8e\u9009\u62e9\u9002\u5408\u8fd9\u79cd\u6d4b\u91cf\u7684\u5668\u4ef6\u3002\u7531\u4e8e\u7535\u6d41\u611f\u6d4b\u7535\u8def<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/3018"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3018"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/3018\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3018"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}