{"id":12518,"date":"2023-01-09T16:41:47","date_gmt":"2023-01-09T08:41:47","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=12518"},"modified":"2023-01-09T16:41:50","modified_gmt":"2023-01-09T08:41:50","slug":"adc%e6%a8%a1%e5%9d%97%e7%9a%84%e8%af%af%e5%b7%ae%e5%8c%85%e6%8b%ac%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/12518.html","title":{"rendered":"adc\u6a21\u5757\u7684\u8bef\u5dee\u5305\u62ec\u54ea\u4e9b"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>adc\u6a21\u5757\u7684\u8bef\u5dee\u5305\u62ec\uff1a1. \u91cf\u5316\u8bef\u5dee\uff1b2. \u5931\u8c03\u548c\u589e\u76ca\u8bef\u5dee\uff1b3. \u5931\u8c03\u548c\u589e\u76ca\u8bef\u5dee\uff1b4. \u79ef\u5206\u7ebf\u6027\u8bef\u5dee\uff1b5. \u603b\u672a\u8c03\u6574\u8bef\u5dee\u3002\u5176\u4e2d\uff0c\u91cf\u5316\u662f\u6307\u5c06\u8f93\u5165\u7684\u7535\u538b\u4ee5\u79bb\u6563\u7684\u7535\u538b\u6765\u8868\u793a\u3002<\/p>\n<\/blockquote>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"680\" height=\"421\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/01\/\u9ed8\u8ba4\u6807\u9898__2023-01-09-10_09_02.png?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"\" class=\"wp-image-12519\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/01\/\u9ed8\u8ba4\u6807\u9898__2023-01-09-10_09_02.png 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/01\/\u9ed8\u8ba4\u6807\u9898__2023-01-09-10_09_02-300x186.png 300w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001adc\u6a21\u5757\u7684\u8bef\u5dee<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. <\/strong><strong>\u91cf\u5316\u8bef\u5dee<\/strong><\/h3>\n\n\n\n<p>\u91cf\u5316\u662f\u6307\u5c06\u8f93\u5165\u7684\u7535\u538b\u4ee5\u79bb\u6563\u7684\u7535\u538b\u6765\u8868\u793a\uff0c\u4ee53\u4f4d\u5206\u8fa8\u7387\u7684ADC\u4e3e\u4f8b\uff0c\u5c063.3V\u4ee5000b-111b\u8fd98\u4e2a\u4ee3\u7801\uff08\u82f1\u6587\u91cc\u9762\u5c31\u662f\u7528code\u6765\u8868\u793a\u7684\uff09\u8868\u793a\uff0c\u76f8\u90bb\u4ee3\u7801\u8de8\u8d8aVFSR\/8\u7684\u7535\u538b\u8303\u56f4\u3002\u91cf\u5316\u8bef\u5dee\u662f\u57fa\u672c\u8bef\u5dee\uff0c\u4ea7\u751f\u6307\u5b9a\u4ee3\u7801\u7684\u5b9e\u9645\u7535\u538b\u4e0e\u4ee3\u8868\u8be5\u7801\u7684\u7535\u538b\u4e24\u8005\u4e4b\u95f4\u5b58\u5728\u8bef\u5dee\uff0c\u56e0\u4e3a\u5b9e\u9645\u4e0a\u7535\u538b\u503c\u662f\u4e00\u4e2a\u70b9\uff0c\u800c\u91cf\u5316\u4e4b\u540e\u662f\u8303\u56f4\u3002\u4e00\u822c\u6765\u8bf4\uff0c0.5LSB\u504f\u79fb\u52a0\u5165\u5230\u8f93\u5165\u7aef\u4fbf\u5bfc\u81f4\u5728\u7406\u60f3\u8fc7\u6e21\u70b9\u4e0a\u6709\u6b63\u8d1f0.5LSB\u7684\u91cf\u5316\u8bef\u5dee\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. <\/strong><strong>\u5931\u8c03\u548c\u589e\u76ca\u8bef\u5dee<\/strong><\/h3>\n\n\n\n<p>\u5931\u8c03\u548c\u589e\u76ca\u8bef\u5dee\u5f88\u5bb9\u6613\u5229\u7528\u5fae\u63a7\u5236\u5668\u4fee\u6b63\u8fc7\u6765\u3002\u5c31\u5931\u8c03\u8bef\u5dee\u6765\u8bb2\uff0c\u5982\u679c\u8f6c\u6362\u5668\u5141\u8bb8\u53cc\u6781\u6027\u8f93\u5165\u4fe1\u53f7\u7684\u8bdd\uff0c\u64cd\u4f5c\u5c06\u975e\u5e38\u7b80\u5355\u3002\u5bf9\u4e8e\u53cc\u6781\u6027\u7cfb\u7edf\uff0c\u5931\u8c03\u8bef\u5dee\u53ea\u662f\u5e73\u79fb\u4e86\u8f6c\u6362\u51fd\u6570\uff0c\u4f46\u6ca1\u6709\u51cf\u5c11\u53ef\u7528\u7f16\u7801\u7684\u6570\u91cf\u3002\u6709\u4e24\u5957\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u53cc\u6781\u6027\u8bef\u5dee\u5f52\u96f6\u3002\u5176\u4e00\uff0c\u4f60\u53ef\u4ee5\u5c06\u8f6c\u6362\u51fd\u6570\u7684x\u6216y\u8f74\u5e73\u79fb\uff0c\u4f7f\u8d1f\u6ee1\u5ea6\u70b9\u4e0e\u5355\u6781\u6027\u7cfb\u7edf\u7684\u96f6\u70b9\u76f8\u5bf9\u51c6\u3002\u5229\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7b80\u5355\u5730\u6d88\u9664\u5931\u8c03\u8bef\u5dee\uff0c\u7136\u540e\uff0c\u901a\u8fc7\u56f4\u7ed5\u201c\u65b0\u201d\u96f6\u70b9\u65cb\u8f6c\u8f6c\u6362\u51fd\u6570\u53ef\u4ee5\u5bf9\u589e\u76ca\u8bef\u5dee\u8fdb\u884c\u8c03\u8282\u3002\u7b2c\u4e8c\u79cd\u6280\u672f\u91c7\u7528\u4e86\u4e00\u79cd\u8fed\u4ee3\u6cd5\u3002\u9996\u5148\u7ed9ADC\u8f93\u5165\u65bd\u52a0\u4e00\u4e2a0V\u7535\u538b\u5e76\u6267\u884c\u4e00\u6b21\u8f6c\u6362\uff1b\u8f6c\u6362\u7ed3\u679c\u53cd\u6620\u4e86\u53cc\u6781\u6027\u96f6\u70b9\u5931\u8c03\u8bef\u5dee\u3002\u7136\u540e\uff0c\u901a\u8fc7\u56f4\u7ed5\u8d1f\u6ee1\u5ea6\u70b9\u65cb\u8f6c\u8f6c\u6362\u66f2\u7ebf\u5b9e\u73b0\u589e\u76ca\u8c03\u8282\u3002\u6ce8\u610f\u6b64\u65f6\u8f6c\u6362\u51fd\u6570\u5df2\u7ed5A\u70b9\u8f6c\u8fc7\u4e00\u5b9a\u89d2\u5ea6\uff0c\u4f7f\u96f6\u70b9\u504f\u79bb\u4e86\u671f\u671b\u7684\u8f6c\u6362\u51fd\u6570\u3002\u56e0\u6b64\u8fd8\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u5931\u8c03\u8bef\u5dee\u6821\u6b63\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u5fae\u5206\u7ebf\u6027\u8bef\u5dee\uff08DLE\uff09<\/strong><\/h3>\n\n\n\n<p>\u5fae\u5206\u7ebf\u6027\u8bef\u5dee\uff08DLE\uff09\u4e3a\u5b9e\u9645\u6b65\u8fdb\u548c\u7406\u60f3\u6b65\u8fdb\u4e4b\u95f4\u7684\u6700\u5927\u504f\u79bb\u3002\u8fd9\u91cc\u7684\u201c\u7406\u60f3\u60c5\u51b5\u201d\u4e0d\u662f\u6307\u7406\u60f3\u4f20\u8f93\u66f2\u7ebf\uff0c\u800c\u662f\u6307ADC\u5206\u8fa8\u7387\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c1 LSB\u7684\u6a21\u62df\u8f93\u5165\u7535\u538b\u53d8\u5316\u91cf\u5e94\u5bfc\u81f4\u6570\u5b57\u4ee3\u7801\u53d8\u5316\u3002\u5982\u679c\u9700\u8981\u5927\u4e8e1 LSB\u7684\u6a21\u62df\u8f93\u5165\u7535\u538b\u624d\u80fd\u5bfc\u81f4\u6570\u5b57\u4ee3\u7801\u53d8\u5316\uff0c\u5c06\u89c2\u5bdf\u5230\u5fae\u5206\u7ebf\u6027\u8bef\u5dee\u3002\u56e0\u6b64\uff0cDLE\u5bf9\u5e94\u4e8e\u4ece\u4e00\u4e2a\u6570\u5b57\u4ee3\u7801\u53d8\u4e3a\u4e0b\u4e00\u4e2a\u6570\u5b57\u4ee3\u7801\u6240\u9700\u7684\u6700\u5927\u989d\u5916\u7535\u538b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. <\/strong><strong>\u79ef\u5206\u7ebf\u6027\u8bef\u5dee<\/strong><\/h3>\n\n\n\n<p>\u79ef\u5206\u7ebf\u6027\u8bef\u5dee\u4e3a\u4efb\u4f55\u5b9e\u9645\u8f6c\u6362\u548c\u7aef\u70b9\u76f8\u5173\u7ebf\u95f4\u7684\u6700\u5927\u504f\u79bb\uff0c\u7528EL\u8868\u793aILE\u3002\u7aef\u70b9\u76f8\u5173\u7ebf\u53ef\u4ee5\u5b9a\u4e49\u4e3aA\/D\u4f20\u8f93\u66f2\u7ebf\u4e0a\u8fde\u63a5\u540d\u5217\u524d\u8305\u6b21\u5b9e\u9645\u8f6c\u6362\u4e0e\u6700\u540e\u4e00\u6b21\u5b9e\u9645\u8f6c\u6362\u7684\u7ebf\u3002EL\u662f\u6307\u4e0e\u6bcf\u4e00\u6b21\u8f6c\u6362\u7684\u8fd9\u6761\u7ebf\u7684\u504f\u79bb\u3002\u56e0\u6b64\uff0c\u7aef\u70b9\u76f8\u5173\u7ebf\u5bf9\u5e94\u4e8e\u5b9e\u9645\u4f20\u8f93\u66f2\u7ebf\u5e76\u4e14\u4e0e\u7406\u60f3\u4f20\u8f93\u66f2\u7ebf\u4e0d\u76f8\u5173\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. <\/strong><strong>\u603b\u672a\u8c03\u6574\u8bef\u5dee<\/strong><\/h3>\n\n\n\n<p>\u603b\u672a\u8c03\u6574\u8bef\u5dee\uff08TUE\uff09\u4e3a\u5b9e\u9645\u548c\u7406\u60f3\u4f20\u8f93\u66f2\u7ebf\u95f4\u7684\u6700\u5927\u504f\u79bb\u3002\u6b64\u53c2\u6570\u6307\u5b9a\u53ef\u80fd\u53d1\u751f\u7684\u4f1a\u5bfc\u81f4\u7406\u60f3\u6570\u5b57\u8f93\u51fa\u4e0e\u5b9e\u9645\u6570\u5b57\u8f93\u51fa\u4e4b\u95f4\u6700\u5927\u504f\u79bb\u7684\u603b\u8bef\u5dee\u3002TUE\u662f\u8bb0\u5f55\u5230\u7684\u4efb\u4f55\u8f93\u5165\u7535\u538b\u7684\u7406\u60f3\u9884\u671f\u503c\u4e0e\u4eceADC\u83b7\u5f97\u7684\u5b9e\u9645\u503c\u4e4b\u95f4\u7684\u6700\u5927\u504f\u79bb\u3002<\/p>\n\n\n\n<p><strong>\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u5982\u4f55\u63d0\u9ad8ADC\u91c7\u96c6\u6570\u636e\u51c6\u786e\u6027<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1.<\/strong><strong>\u51cf\u5c11ADC\u76f8\u5173\u8bef\u5dee\u7684\u5f71\u54cd<\/strong><\/h3>\n\n\n\n<p>\u4f7f\u7528STM32 ADC\u81ea\u6821\u51c6\u529f\u80fd\u6216\u901a\u8fc7\u5fae\u63a7\u5236\u5668\u56fa\u4ef6\u53ef\u4ee5\u8f7b\u677e\u8865\u507f\u504f\u79fb\u8bef\u5dee\u548c\u589e\u76ca\u8bef\u5dee\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2<\/strong><strong>\u3001\u4f7f\u5916\u90e8\u73af\u5883\u8bef\u5dee\u6700\u5c0f\u5316<\/strong><\/h3>\n\n\n\n<p>\u53c2\u8003\u7535\u538b\/\u7535\u6e90\u566a\u58f0\u6700\u5c0f\u5316\u4e5f\u5c31\u662f\u5728VREF\u548cVDDA\u5f15\u811a\u8fde\u63a5\u5916\u90e8\u53bb\u8026\u7535\u5bb9\uff1b<\/p>\n\n\n\n<p>\u6a21\u62df\u8f93\u5165\u4fe1\u53f7\u566a\u58f0\u6d88\u9664\u901a\u8fc7\u6dfb\u52a0\u5916\u90e8RC\u6ee4\u6ce2\u5668\u4ee5\u6d88\u9664\u9ad8\u9891\uff1b<\/p>\n\n\n\n<p>\u5c06ADC\u52a8\u6001\u8303\u56f4\u4e0e\u6700\u5927\u4fe1\u53f7\u5e45\u5ea6\u8fdb\u884c\u5339\u914d\u4e5f\u5c31\u662f\u5c06\u53c2\u8003\u7535\u538b\u8303\u56f4\u5339\u914d\u91c7\u6837\u7535\u538b\uff1b<\/p>\n\n\n\n<p>\u6e29\u5ea6\u5f71\u54cd\u8865\u507f\u540d\u5217\u524d\u8305\u79cd\u65b9\u6cd5\u662f\u5b8c\u6574\u63cf\u8ff0\u504f\u79fb\u548c\u589e\u76ca\u6f02\u79fb\u7279\u6027\uff0c\u5e76\u5728\u5b58\u50a8\u5668\u4e2d\u63d0\u4f9b\u67e5\u8be2\u8868\uff0c\u4ee5\u4fbf\u6839\u636e\u6e29\u5ea6\u53d8\u5316\u4fee\u6b63\u6d4b\u91cf\u503c\u3002\u6b64\u6821\u51c6\u65b9\u6cd5\u9700\u8981\u989d\u5916\u7684\u6210\u672c\u548c\u65f6\u95f4\u3002\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5185\u90e8\u6e29\u5ea6\u4f20\u611f\u5668\u548cADC\u770b\u95e8\u72d7\uff0c\u4ee5\u5728\u6e29\u5ea6\u53d8\u5316\u8fbe\u5230\u7ed9\u5b9a\u503c\u65f6\u91cd\u65b0\u6821\u51c6ADC\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8eadc\u6a21\u5757\u7684\u8bef\u5dee\u7684\u5185\u5bb9\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"adc\u6a21\u5757\u7684\u8bef\u5dee\u5305\u62ec\uff1a1. \u91cf\u5316\u8bef\u5dee\uff1b2. \u5931\u8c03\u548c\u589e\u76ca\u8bef\u5dee\uff1b3. \u5931\u8c03\u548c\u589e\u76ca\u8bef\u5dee\uff1b4. \u79ef\u5206\u7ebf\u6027\u8bef\u5dee\uff1b5. \u603b [&hellip;]","protected":false},"author":1,"featured_media":12519,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/12518"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=12518"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/12518\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/12519"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=12518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=12518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=12518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}