1、王永生Harbin Institute of TechnologyMicroelectronics Center11/25/20221提纲11/25/20222概述11/25/20223概述11/25/20224VO+0.1%VOtoutputVOtdtsVO-0.1%VODVDttinputmaxmax)(tVdttVdSrDD一级运放11/25/20225Vout2VoutM1M2M3M4M5M6M7V+IOVoutVinAmplifying stage)|(OPONmNvrrgA Output stage一级运放11/25/20226)(|)(22OPmPONmNmNvrgrggA 一级
2、运放11/25/20227)(442THGSTHMINMAXVVVVV一级运放11/25/20228mA39MIA3302,1REFIV5.1,totODVV5.0OD9VV3.0OD7OD5VVV2.0OD3OD1VV一级运放11/25/20229TH1OD1OD9minCM,in,VVVVOD9OD1TH3OD3minb1,VVVVV)(OD7GS5DDmaxb2,VVVV一级运放11/25/202210一级运放11/25/202211一级运放11/25/202212一级运放11/25/20221311/25/20221421vvvAAA增益的提高11/25/202215outmvRGA)
3、(331221OmOOmmvrgrrggA 增益的提高11/25/202216增益的提高11/25/202217共模反馈11/25/2022182/DSSDDRIVCM共模反馈11/25/202219)/()(122112,RRVRVRVoutoutCMout共模反馈11/25/202220)2(1|1287THoutoutoxnonontotVVVLWCRRR8,7min,THoutVV共模反馈11/25/202221共模反馈11/25/202222Iss1？共模反馈11/25/202223)2(1|1287THoutoutoxnonontotVVVLWCRRR共模反馈11/25/20222
4、4915)/()/(LWLW8716)/()/()/(LWLWLW输入范围限制11/25/202225输入范围限制11/25/202226转换速率11/25/202227maxmax)(tVdttVdSrDD转换速率11/25/202228LssrCIS 转换速率11/25/20222900max000maxcos)(VtVdttVdSr电源抑制11/25/202230)0()0(inddddVVAVAPSRR运放的噪声11/25/202231运放的噪声11/25/20223222,128,78,722,1210,910,92,122,110,922,18,72,12)(2)(2)(23232
5、328mmoxPmmoxNoxNmmmmmnggfCWLKggfCWLKfCWLKgggggkTV运放的噪声11/25/202233小结11/25/202234一级运放设计实例11/25/202235outmvRgA1LoutdBCR/13THNGSDDinCMVVVV3max,11515min,THNODODGSODinCMVVVVVVLCISR/5totalDDdissIVP一级运放设计实例11/25/202236一级运放设计实例11/25/202237AISRCIL5055AI2005kRCRoutLoutdB318/13AIIIRNNNNout70)(2)(1553,17.0)/(/505022.17.055.4332333max,LWVAAVVVVVVVGSGSTHNGSDDinCM一级运放设计实例11/25/202238AALWVArrgRgAOOmoutmv50)05.004.0(50)/(/1102)|(11242117.04.18/11050212511515min,VAAVVVVVVVODTHNODODGSODinCM2555521ODoxnVLWCI
