{"id":2956,"date":"2020-03-09T09:36:55","date_gmt":"2020-03-09T09:36:55","guid":{"rendered":""},"modified":"2020-03-09T17:37:25","modified_gmt":"2020-03-09T09:37:25","slug":"%e5%9f%ba%e4%ba%8ers3002%e7%9a%84%e6%89%8b%e6%8c%81%e5%bc%8f%e7%ba%a2%e5%a4%96%e6%b5%8b%e6%b8%a9%e4%bb%aa%e8%ae%be%e8%ae%a1%e7%94%b5%e8%b7%af%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2956","title":{"rendered":"\u57fa\u4e8eRS3002\u7684\u624b\u6301\u5f0f\u7ea2\u5916\u6d4b\u6e29\u4eea\u8bbe\u8ba1\u7535\u8def\u5206\u6790"},"content":{"rendered":"

\n\t\u3000\u624b\u6301\u5f0f\u7ea2\u5916\u6d4b\u6e29\u4eea\u53ef\u4ee5\u5b9e\u73b0\u975e\u63a5\u89e6\u8fd1\u8ddd\u79bb\u6d4b\u91cf\u4eba\u4f53\u7684\u6e29\u5ea6\uff0c\u975e\u5e38\u65b9\u4fbf\u7528\u4e8e\u4e34\u65f6\u5feb\u901f\u7684\u4f53\u6e29\u6d4b\u91cf\u3002\u76ee\u524d\u968f\u7740\u75ab\u60c5\u7684\u53d1\u5c55\uff0c\u5728\u8fdb\u51fa\u5c0f\u533a\uff0c\u516c\u5171\u573a\u6240\u7b49\u5730\u65b9\uff0c\u90fd\u9700\u8981\u7528\u5230\u624b\u6301\u5f0f\u7ea2\u5916\u6d4b\u6e29\u4eea\uff0c\u6da6\u77f3\u79d1\u6280\u4f5c\u4e3a\u4e00\u5bb6\u62e5\u6709\u9ad8\u6027\u80fd\u6a21\u62df\u4fe1\u53f7\u94fe\u8bbe\u8ba1\u80fd\u529b\u7684\u516c\u53f8\uff0c\u65d7\u4e0b\u4ea7\u54c1\u7ebf\u8ddf\u7ea2\u5916\u6d4b\u6e29\u4eea\u3001\u533b\u7597\u8bbe\u5907\u7b49\u4ea7\u54c1\u5177\u6709\u975e\u5e38\u9ad8\u7684\u5339\u914d\u5ea6\uff0c\u5305\u62ec\u8fd0\u7b97\u653e\u5927\u5668\uff0c\u6bd4\u8f83\u5668\uff0c\u6a21\u62df\u5f00\u5173\uff0cLDO \u7b49\u4ea7\u54c1\u3002<\/p>\n

\n\t\u3000\u3000\u4f7f\u7528\u6a21\u62df\u70ed\u7535\u5806\u63a2\u5934\u7684\u624b\u6301\u5f0f\u7ea2\u5916\u6d4b\u6e29\u4eea\u539f\u7406\u6846\u56fe\u5982\u4e0b\uff1a<\/p>\n

\n\t <\/div>\n

\n\t\"\"<\/p>\n

\n\t\u3000\u3000\u4e0a\u56fe\u4e2d\uff0c\u4ee5\u7535\u6c60\u91c7\u7528 9V \u4e3a\u4f8b\uff0c\u5148\u901a\u8fc7\u4e00\u4e2a\u9ad8\u538b LDO RS3002 \u628a\u7535\u6c60\u7535\u538b\u8f6c\u4e3a 3V\uff0c\u4f9b\u6574\u4e2a\u7cfb\u7edf\u4f7f\u7528\uff0c\u5305\u62ec\u4e3a MCU\uff0c\u80cc\u5149\u706f\uff0c\u8fd0\u653e \u7b49\u5668\u4ef6\u4f9b\u7535\uff0c\u7136\u540e\u518d\u7528\u4e00\u4e2a\u4f4e\u529f\u8017 LDO RS3236 \u4ece 3V \u964d\u4e3a 1.5V\uff0c\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u7ed9\u70ed\u7535\u5806\u63d0\u4f9b\u4e00\u4e2a\u53c2\u8003\u7535\u538b\uff0c\u8ba9\u6574\u4e2a\u6d4b\u91cf\u6e29\u5ea6\u8303\u56f4\u53ef\u4ee5\u6269\u5927\u3002\u4e3a\u4e86\u5728\u4e0d\u540c\u7684\u73af\u5883\u6e29\u5ea6\u4e0b\u80fd\u591f\u8ba1\u7b97\u6b63\u786e\uff0cMCU \u8fd8\u5fc5\u987b\u8981\u8bfb\u53d6\u5f53\u524d\u7684\u73af\u5883\u6e29\u5ea6\uff0c\u5b9e\u73b0\u65b9\u5f0f\u662f\u901a\u8fc7\u8bfb\u53d6\u70ed\u7535\u5806\u5185\u90e8\u7684 NTC \u7535\u963b\u4e0e\u56fa\u5b9a 100kΩ \u7535\u963b\u5206\u538b\u7684\u7535\u538b\u70b9\u6765\u8ba1\u7b97\u7684\u3002<\/p>\n

\n\t\u3000\u3000\u7531\u4e8e\u70ed\u7535\u5806\u7684\u8f93\u51fa\u7535\u963b\u8f83\u9ad8\uff0c\u56e0\u6b64\u8fd0\u653e\u90e8\u5206\u7684\u62d3\u6251\u5b9c\u91c7\u7528\u540c\u76f8\u653e\u5927\u5668\uff0c\u653e\u5927\u500d\u6570\u5927\u6982\u9700\u8981 100 \u500d\u4ee5\u4e0a\uff0c\u9700\u8981\u9884\u7559\u4f4e\u901a\u6ee4\u6ce2\u4ee5\u964d\u4f4e\u8f93\u51fa\u566a\u58f0\uff0c\u4e3a\u4e86\u5c3d\u91cf\u63d0\u9ad8\u6e29\u5ea6\u7684\u5206\u8fa8\u7387\uff0c\u8981\u6c42\u8fd0\u653e\u7684 1\/f \u566a\u58f0\u5c0f\u4e8e 5uVpp\uff0c\u540c\u65f6\u76f4\u6d41\u5931\u8c03\u7535\u538b\u5c0f\u4e8e 10uV\uff0c\u7535\u8def\u4e2d\u7684\u8fd0\u653e RS8551 \u662f\u6da6\u77f3\u79d1\u6280\u63a8\u51fa\u7684\u4e00\u6b3e\u81ea\u7a33\u96f6\u96f6\u6f02\u8fd0\u653e\uff0c\u5177\u6709\u8d85\u4f4e\u7684\u5931\u8c03\u7535\u538b\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e DC \u6216\u8005 \u4f4e\u9891\u4fe1\u53f7\u653e\u5927\uff0c\u5176\u4e3b\u8981\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n

\n\t\u3000\u3000\u25c6 \u5bbd\u5de5\u4f5c\u7535\u538b\u8303\u56f4\uff1a2.5V~5.5V\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8d85\u4f4e\u5931\u8c03\u7535\u538b\uff1a\u5178\u578b\u503c 1uV\uff0c\u6700\u5927\u503c 5uV\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8d85\u4f4e\u6e29\u5ea6\u6f02\u79fb\uff1a\u5178\u578b\u503c 5nV\/°C\uff0c\u6700\u5927\u503c 50nV\/°C\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8d85\u4f4e\u8f93\u5165\u504f\u7f6e\u7535\u6d41\uff1a50pA\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u5355\u4f4d\u589e\u76ca\u5e26\u5bbd\uff1a4.5MHz\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u9759\u6001\u7535\u6d41\uff1a640uA \u6bcf\u901a\u9053\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 0.01Hz~10Hz \u566a\u58f0\uff1a0.75uVpp\u3002<\/p>\n

\n\t\u3000\u3000\u6da6\u77f3\u79d1\u6280\u8fd8\u63d0\u4f9b\u6027\u80fd\u51fa\u8272\u7684\u9ad8\u538b LDO \u548c\u4f4e\u538b LDO\uff1aRS3002 \u7cfb\u5217\u548c RS3236 \u7cfb\u5217\u3002RS3002 \u7684\u4e3b\u8981\u7279\u70b9\u662f\uff1a<\/p>\n

\n\t\u3000\u3000\u25c6 \u5bbd\u8f93\u5165\u7535\u538b\u8303\u56f4\uff1a2.5V~36V\uff0c\u9002\u7528\u4e8e\u5e38\u89c1\u7684 9V \u7535\u6c60\u8f93\u5165\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8f93\u51fa\u7535\u6d41\u6301\u7eed\uff1a150mA\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8d85\u4f4e\u9759\u6001\u7535\u6d41\uff1a2.5uA\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u4f4e\u538b\u5dee\uff1a10mV\/mA\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8d85\u9ad8 PSRR\uff1a54dB@1KHz\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8f93\u51fa\u7535\u538b\u7cbe\u5ea6\u53ef\u9009\uff1a1% \u6216\u8005 2.5%\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u591a\u79cd\u56fa\u5b9a\u8f93\u51fa\u7535\u538b\u53ef\u9009\uff0c\u6709 SOT-23\uff0cSOT-89-3\uff0cSOT-23-5 \u5c01\u88c5\u53ef\u9009\u3002<\/p>\n

\n\t\u3000\u3000RS3236 \u7684\u4e3b\u8981\u7279\u70b9\u662f\uff1a<\/p>\n

\n\t\u3000\u3000\u25c6 \u5bbd\u8f93\u5165\u7535\u538b\u8303\u56f4\uff1a1.7V~7.5V\uff0c\u652f\u6301 4 \u8282\u5e72\u7535\u6c60\u8f93\u5165\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u5185\u90e8\u6700\u5927\u8f93\u51fa\u9650\u6d41\u70b9\uff1a\u300b500mA\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8d85\u4f4e\u9759\u6001\u7535\u6d41\uff1a20uA\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8d85\u4f4e\u538b\u5dee\uff1a1mV\/mA\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u9ad8 PSRR\uff1a70dB@1KHz\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u8f93\u51fa\u7535\u538b\u7cbe\u5ea6\u53ef\u9009\uff1a1% \u6216\u8005 2.5%\uff1b<\/p>\n

\n\t\u3000\u3000\u25c6 \u591a\u79cd\u56fa\u5b9a\u8f93\u51fa\u7535\u538b\u53ef\u9009\uff0c\u6709 SOT-23\uff0cSOT-89-3\uff0cSOT-23-5\uff0cUTDFN-1*1-4L \u5c01\u88c5\u53ef\u9009\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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