模拟_数字转换技术及其发展趋势.pdf

35 3 V o l1 35, l 3 2005 6 M icroe lectron ics Jun12005 : 1004-3365( 2005) 03-0221-05 / 王 晶 ( , 100029) : 数字技术的飞速发展, 使 A /D转换器变得越来越重要文章扼要叙述了 A /D 转换器的 历史发展过程, 举了几种当前流行的A /D 转换器, 包括全并行两步型插值折叠型流水线型 逐次逼近型2-$型A /D转换器; 具体介绍了它们的结构工作原理性能特点应用场合以及必威体育精装版 的研究进展, 并对它们的性能进行了比较; 最后, 讨论了A /D转换器的发展趋势 : 模拟/数字转换; A /D转换器; 模拟集成电路 + : TN79 2 : A Analog-to-D igital Conversion T echnology and Its D evelop ing T rend WANG J ing ( In sti tu te of M icroe lec tronics, Th e ChineseA cademy of S ciences1 B eij ing 100029, P 1 R 1 Ch ina ) Abs tract: W ith the ap id developm ent of d ig ita l techno logy, ana log- to-dig ita l conve te s a e becom ing m o e and m o e mi po tant1 T he evo lution of ana log- to-d ig ita l conve te s is b iefly ev iew ed1 Som e p evailing A /D conve te s a e desc ibed, inc luding flash, tw o-step, inte po lating and fo lding, pipe lin ing, successive app ox mi ation, and sigm a-de lta A /D conve t- e s1 T he a chitectu es, ope a tiona l theo ies, pe fo m ance and cha acte istics a e dea ltw ith in deta il, as w e ll as thei appl-i ca tions and la test development1 In addition, a compa ison is made on the i cha acte istics1 A nd fina lly, the deve lop ing t end of A /D conv e te s is discussed1 K ey w ord s: A nalog-to-d ig ita l conv e s ion; A /D conve te ; A na log IC EEA CC: 1265H , , 1 引 言 MOS,