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body_diff: "[{\"diffs\":[[1,\"<html>\\\r\\\n<head>\\\r\\\n  <title>谈一谈我所了解的ADC-今日头条</title>\\\r\\\n  <basefont face=\\\"微软雅黑\\\" size=\\\"2\\\" />\\\r\\\n  <meta http-equiv=\\\"Content-Type\\\" content=\\\"text/html;charset=utf-8\\\" />\\\r\\\n  <meta name=\\\"exporter-version\\\" content=\\\"YXBJ Windows/608924 (zh-CN, DDL); Windows/10.0.0 (Win64); EDAMVersion=V2;\\\"/>\\\r\\\n  <style>\\\r\\\n\\tbody, td {\\\r\\\n\\t  font-family: 微软雅黑;\\\r\\\n\\t  font-size: 12pt;\\\r\\\n\\t}\\\r\\\n  </style>\\\r\\\n</head>\\\r\\\n<body>\\\r\\\n<a name=\\\"26941\\\"></a>\\\r\\\n<h1>谈一谈我所了解的ADC-今日头条</h1>\\\r\\\n\\\r\\\n<div><span style=\\\"margin:0px;\\\"><div><div style=\\\"font-size: 18px; font-family: PingFangSC-Regular; letter-spacing: 1.2px; line-height: 30px; text-align: justify;\\\"><div style=\\\"\\\"><p style=\\\"\\\"><span style=\\\"outline: 0px; color: rgb(178, 178, 178); font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-align: left; caret-color: rgba(0, 0, 0, 0); __visibility: visible; display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(178, 178, 178);\\\">来源：内容由半导体行业观察（ID：icbank）</span><span style=\\\"outline: 0px; __visibility: visible; color: rgb(178, 178, 178); font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-align: left; caret-color: rgba(0, 0, 0, 0); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(178, 178, 178);\\\">转载自公众号<span style=\\\"text-align: left; caret-color: rgba(0, 0, 0, 0); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(178, 178, 178);\\\">芯启示</span></span><span style=\\\"outline: 0px; color: rgb(178, 178, 178); font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; text-align: left; caret-color: rgba(0, 0, 0, 0); __visibility: visible; display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(178, 178, 178);\\\">，谢谢。</span></p><div style=\\\"\\\"><span></span></div><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); text-align: center; __visibility: visible; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><img src=\\\"谈一谈我所了解的ADC-今日头条_files/T2NUUKGHgbyg82~tplv-tt-large.image.png\\\" type=\\\"image/png\\\" data-filename=\\\"T2NUUKGHgbyg82~tplv-tt-large.image.png\\\" alt=\\\"文章图片1\\\" style=\\\"outline: 0px; width: 640px; background: url(\\\"https://sf1-cdn-tos.toutiaostatic.com/obj/mp/syl-page/toutiaoicon_loading_textpage@3x.RQmcZRIc.png\\\") center center no-repeat; display: inline; box-sizing: border-box; padding: 0px 0px 183.938px; margin: 0px; border: 0px none rgb(34, 34, 34); __visibility: visible !important;\\\"/><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(178, 178, 178); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(178, 178, 178);\\\"><em style=\\\"outline: 0px; __visibility: visible;display:inline;box-sizing:border-box;padding:0px;margin:0px;border:0px none rgb(178, 178, 178);\\\">来自ISSCC</em></span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">我们知道ADC最重要的三个指标是速度，精度和功耗。无论何种ADC，功耗当然是越低越好，同等性能下功耗越低，代表效率越高。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">而速度精度则不是越高越好，而是要根据具体的应用来定。譬如心脏起搏器电路，一个很低速的ADC就能达到要求，实际设计了一个采样率为GHz的ADC，一者成本高，二者功耗也大，典型杀鸡用牛刀。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">对信号进行处理存储传输等，是现代社会必备的环节，极大部分以上的工作是由数字电路来完成，所以将模拟信号转换成数字，也就成为了必须。那么可以这样说，有信号的地方，就需要集成电路，有集成电路的地方，大概率需要ADC。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">可见ADC的应用是非常广泛的，下面根据精度速度的要求，ADC可以大体分成以下几类（但又不限于这几类）。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">一是音频信号，它是对精度要求极高的一种应用。我们的耳朵，对于谐波失真和信噪比是非常敏感的，尤其是谐波信号，所以这类ADC的设计的SNDR至少要达到80dB以上。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">一个段子是这样说的，要评价你设计的ADC好不好，可以让一个音乐家来听一下采用你的ADC的音响，如果他说没毛病，那你的ADC肯定是不错的。</span></p><p></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">再者是物联网，移动感知，生物感知等。这些包含的应用非常广泛，包括万物互联，车载芯片，生物监测等等。这一类应用涵盖的精度和速度要求很宽，但大体上来说，对精度和速度要求不高，因此很多种类的ADC都可以采用，SAR ADC是一个主要的结构。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">对于中等速度，比较高的精度来说，集中在数字成像和医疗成像等应用。无线传输应用中，为了得到更小的延迟，对速度要求很高，精度可以略微的降低，譬如当下的5G以及正在发展的6G等。有线传输为了在极短时间内完成大量的数据传输，对速度要求极高。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">可以看出一方面随着社会的发展，新需求不断被挖掘，对ADC性能的要求越来越高，另一方面来说，根据具体的应用需求，采用合适的结构，设计合理的指标，才会取得最高的性价比。</span></p><div style=\\\"\\\"><div style=\\\"\\\"><div style=\\\"\\\"><div style=\\\"\\\"><div style=\\\"display: block; box-sizing: border-box; padding: 0px; margin: 10px 0px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"width: 100%; border-width: 0px 0px 0px 10px; border-style: solid; border-left-color: rgb(199, 62, 58); border-right-color: rgb(199, 62, 58); border-radius: 5px 0px 0px 5px; box-shadow: rgb(153, 153, 153) 0em 0.2em 0.2em; background-color: rgb(239, 239, 239); display: inline-block; box-sizing: border-box; padding: 10px; margin: 0px;\\\"><div style=\\\"\\\"><div style=\\\"\\\"><div style=\\\"color: rgb(199, 62, 58); display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(199, 62, 58);\\\"><p style=\\\"\\\"><span style=\\\"display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(199, 62, 58);\\\"><strong>高精度和低功耗ADC一览</strong></span></p></div></div></div></div></div></div></div></div></div><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; __visibility: visible; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><img src=\\\"谈一谈我所了解的ADC-今日头条_files/T2NUUKq5jPaDoy~tplv-tt-large.image.png\\\" type=\\\"image/png\\\" data-filename=\\\"T2NUUKq5jPaDoy~tplv-tt-large.image.png\\\" alt=\\\"文章图片2\\\" style=\\\"outline: 0px; width: 640px; background: url(\\\"https://sf1-cdn-tos.toutiaostatic.com/obj/mp/syl-page/toutiaoicon_loading_textpage@3x.RQmcZRIc.png\\\") center center no-repeat; display: inline; box-sizing: border-box; padding: 0px 0px 248.625px; margin: 0px; border: 0px none rgb(34, 34, 34); __visibility: visible !important;\\\"/></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">ADC设计是一个重要而又综合的设计，需要考虑诸多的因素，譬如工艺的选择，精度的要求，功耗的要求，速度的要求等等。而ADC家族又有很多种结构，所以在实际设计时，需要从设计要求和结构特点两方面入手来决定。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">高精度ADC，在测量和仪器设备或者音频中有着广泛的应用，它们对信噪比和线性度有着极高的要求，如果精度不够，表现在应用时效果就会比较差。</span></p><p></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; __visibility: visible; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><img src=\\\"谈一谈我所了解的ADC-今日头条_files/T2NUULREZJjjwB~tplv-tt-large.image.png\\\" type=\\\"image/png\\\" data-filename=\\\"T2NUULREZJjjwB~tplv-tt-large.image.png\\\" alt=\\\"文章图片3\\\" style=\\\"outline: 0px; width: 640px; background: url(\\\"https://sf1-cdn-tos.toutiaostatic.com/obj/mp/syl-page/toutiaoicon_loading_textpage@3x.RQmcZRIc.png\\\") center center no-repeat; display: inline; box-sizing: border-box; padding: 0px 0px 158.062px; margin: 0px; border: 0px none rgb(34, 34, 34); __visibility: visible !important;\\\"/></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">上图是对各种的ADC的一个汇总，可见delta sigma ADC达到了最高的精度。我们知道delta sigma ADC分为连续型，离散型，增量型，适当的设计都可以达到很高的精度，而又属增量型delta sigma得到的精度最高。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">流水线ADC虽然精度上比delta sigma差一点，但它能在达到比较高精度的同时，达到很高的速度，这是很大的优势。</span></p><p></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">SAR ADC一般来说的话，达到高精度或者高速度是比较困难的，但是采用了时间交织技术，仍然能达到很高的速度，以大的采样电容和高的功耗的代价，也能达到很高的精度。</span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; __visibility: visible; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><img src=\\\"谈一谈我所了解的ADC-今日头条_files/T2NUUNU2sQyb3y~tplv-tt-large.image.png\\\" type=\\\"image/png\\\" data-filename=\\\"T2NUUNU2sQyb3y~tplv-tt-large.image.png\\\" alt=\\\"文章图片4\\\" style=\\\"outline: 0px; width: 640px; background: url(\\\"https://sf1-cdn-tos.toutiaostatic.com/obj/mp/syl-page/toutiaoicon_loading_textpage@3x.RQmcZRIc.png\\\") center center no-repeat; display: inline; box-sizing: border-box; padding: 0px 0px 159.75px; margin: 0px; border: 0px none rgb(34, 34, 34); __visibility: visible !important;\\\"/></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); text-align: center; __visibility: visible; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(178, 178, 178); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(178, 178, 178);\\\"><em style=\\\"outline: 0px; __visibility: visible;display:inline;box-sizing:border-box;padding:0px;margin:0px;border:0px none rgb(178, 178, 178);\\\">图片均来自ISSCC2022</em></span></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); __visibility: visible; text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; __visibility: visible; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">从功耗的角度，三种ADC都有各自的优势，SAR ADC在中低等精度下是能量效率最高的，流水线ADC则在中等精度下能量效率好，delta sigma ADC是在高精度下能量效率遥遥领先。需要指出的是，各种ADC之间的重叠是非常的大的，而且各种ADC混合，获得更好的综合性能也是一种趋势。</span></p><p></p><p style=\\\"outline: 0px; color: rgb(34, 34, 34); font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); text-align: justify; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(34, 34, 34);\\\"><span style=\\\"outline: 0px; font-family: &quot;Helvetica Neue&quot;, Helvetica, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; color: rgb(76, 74, 74); display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(76, 74, 74);\\\">还有要说明的是，这是比较常见的ADC，当然还有各种各种的其它的架构，因为它们三个比较典型，所以进行讨论和比较。</span></p><div style=\\\"\\\"><span></span></div><div style=\\\"display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"color: rgb(160, 160, 160); display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(160, 160, 160);\\\"><p style=\\\"\\\">*免责声明：本文由作者原创。文章内容系作者个人观点，半导体行业观察转载仅为了传达一种不同的观点，不代表半导体行业观察对该观点赞同或支持，如果有任何异议，欢迎联系半导体行业观察。</p></div><div style=\\\"display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"><p style=\\\"\\\"><strong>今天是《半导体行业观察》为您分享的第3004内容，欢迎关注。</strong></p></div><div style=\\\"text-align: center; display: block; box-sizing: border-box; padding: 0px; margin: 15px 0px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"width: 95%; vertical-align: top; box-shadow: rgb(152, 152, 152) 0px 0px 2px; border-width: 2px 0px 0px; border-radius: 10px; border-style: solid; border-color: rgb(199, 62, 58) rgb(62, 62, 62) rgb(62, 62, 62); background-color: rgb(255, 255, 255); display: inline-block; box-sizing: border-box; padding: 0px 10px 10px; margin: 0px;\\\"><div style=\\\"display: block; box-sizing: border-box; padding: 0px; margin: 40px 0px 10px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"width: 100%; vertical-align: top; background-color: rgb(246, 246, 246); display: inline-block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"vertical-align: middle; width: 55%; box-shadow: rgb(0, 0, 0) 0px 0px 0px; display: inline-block; box-sizing: border-box; padding: 0px 10px 0px 25px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"text-align: left; display: block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"><p style=\\\"\\\"><span style=\\\"display: inline; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\">晶圆｜集成电路｜设备</span>｜汽车芯片｜存储｜台积电｜AI｜封装</p></div></div></div></div></div></div></div><div style=\\\"text-align: center; display: block; box-sizing: border-box; padding: 0px; margin: 10px 0px; border: 0px none rgb(51, 51, 51);\\\"><div style=\\\"vertical-align: middle; box-shadow: rgb(0, 0, 0) 0px 0px 0px; display: inline-block; box-sizing: border-box; padding: 0px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"><img src=\\\"谈一谈我所了解的ADC-今日头条_files/T0OkVWCGEtv6iT~tplv-tt-large.image.jpg\\\" type=\\\"image/jpeg\\\" data-filename=\\\"T0OkVWCGEtv6iT~tplv-tt-large.image.jpg\\\" alt=\\\"文章图片5\\\" style=\\\"vertical-align: middle; background: url(\\\"https://sf1-cdn-tos.toutiaostatic.com/obj/mp/syl-page/toutiaoicon_loading_textpage@3x.RQmcZRIc.png\\\") center center no-repeat; width: 640px; display: inline; box-sizing: border-box; padding: 0px 0px 186.75px; margin: 0px; border: 0px none rgb(51, 51, 51);\\\"/></div></div></div></div></div></div></span>\\\n</div></body></html>\\u0000\"]],\"start1\":0,\"start2\":0,\"length1\":0,\"length2\":24868}]"
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