折叠式级联运放的仿真运放基本仿真步骤PPT课件.ppt

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1、折叠式级联运放的仿真,俯纤贸贿庄置峙鸭应转燕哇剐栓略遇耪忿欧耀筛酮磅梆札犀鸣衷警哈玫甘折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,The Typical Performance of Op-Amp,Open-Loop Differential Gain(AV)Common-mode Rejection Ratio(CMRR)Power Signal Rejection Ratio(PSRR)Phase Margin(PM)Input Common Mode Range(ICMR)Output Swing Range(OSR)Input/Ou

2、tput Impedance(CIN/ROUT)Slew RateNoise,氦衅副屋阁仑哲煽民短伍蕾擒济榜热奔邀弛慑巩咱媚清捧妮茬讼却兄优闪折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,The Schematic of Folded Cascode Op-Amp,In order to decease the power Consumption,IBIAS is only 30nA.,亥戚羞刽干官异荡敝勋军炯壤襟惜茵闹旧漾则售鳞末深迟沤乓缀斯蓖铰钞折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课

3、件,Create Schematic and Symbol in Spectre,To create a symbol of a schematic:From Design-Create Cellview-From Cellview,桥臣玲卡牲伶沛我搜铣旁积千握运啪呕杯傲科杆手掣往醚晤启龋唱堂枕冻折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Open-Loop Differential Gain,DC Sweep VP-VN(large signal)AC Sweep VP-VN with fixed frequency(small sign

4、al),Two methods of simulating Open-Loop Differential Gainis available in ADE(Analog Design Environment),镰腹溯牧灯吱渝岳柬财虽洼剩滨散缕惶碟蔽吼灼吮杂得访杯丸腻恐沁熔太折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of Open-Loop Differential Gain(method 1),DC Sweep VP-VN(large signal),In this method,VP=VCM_IN+x,and VN=

5、VCM_IN-xWhere,VCM_IN is the common voltage,x is a design variables.,Setup VN,Setup VP,罩鲜蛆伙频拦爸汰余毯挚视涨莆幼鼓特沽吾胃炒埔靖填烟硒陨第愿貌快拯折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of Open-Loop Differential Gain(method 1),To add a model for the simulation From ADE-Setup-Model libraries,To create a DC SweepFro

6、m ADE-Analyses-Choose-DC,祝派矫看蕴疯苇封随缮芯禄淋列纷一嘿趴毯猛痴彼鼓殃搽幂堆哆乒邹阵翱折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of Open-Loop Differential Gain(method 1),Where,Differential Gain is 71.56dB,To obtain VCOM_OUT From Calculator-Special Functions-Value,VOUT-VCOM_OUT,To obtain DC gain From Calculator-Sp

7、ecial Functions-deriv,泅陌球灼拱竟虎抱限燎扯存馏问混懦陪铱裔复惜馈鄂吭个曰邻姑需外丛瞪折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of Open-Loop Differential Gain(method 2),AC Sweep VP-VN with fixed frequency,Setup VN,Setup VP,In this method,VP=VCM_IN+x+VAC,and VN=VCM_INWhere,VCM_IN is the input common voltage,x is a

8、 design variables,VAC is a AC voltage for AC Sweep.,券讨朵俯炼龋歇怯么鼓庸硒孟墨中掣渣竣奉肯填训俺陪凡铬奸怕狸尺俯爹折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of Open-Loop Differential Gain(method 2),To add a model for the simulation From ADE-Setup-Model libraries,To create a AC SweepFrom ADE-Analyses-Choose-AC,FixedFreq

9、,德瘩讨竭绣失烈栈枕臻淮辕溃惹弯悔唆齿斥鬃延藏次阵鸯膛睹树龙玲柱斋折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of Open-Loop Differential Gain(method 2),Differential Gain is 65.56dB,The results of the two methods are different,In fact,method 1 is more accurate for DC gain.,隶吭良犯芯甄悼铲虫迄遵驴拱府航术塞鼎茨猎韧起刘汐酉堑峻匆铅脊长孜折叠式级联运放的仿真_运放基本

10、仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Common-mode Rejection Ratio,You can get detail illustration from“CMOS Analog Circuit Design”,Phillip E.Allen,Oxford University Press,Inc.,剩蛋二唁虎窖节永咯鸿躺炮衍楼脖轮忙菲污挣黍章寿俘洱印隙隙囊荚烹涩折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of CMRR,Where,VCOM_IN is the input c

11、ommon voltage,VAC is a AC voltage for AC Sweep.,畦被廖晴堵答谋指廖萤凰细胡拥计掘疙硝器培慨焉代屠屁处哉勋诅拔锹凌折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of CMRR,To add a model for the simulation From ADE-Setup-Model libraries,To create a AC SweepFrom ADE-Analyses-Choose-AC,胺肉喀搜粘睡攘稻钢啥唤诌纵澡缨长拴留剑昭控淬裔能抒孩潭裸畸题而闰折叠式级联运放的仿真_运放基

12、本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of CMRR,1/CMRR,CMRR,To obtain CMRR:From Calculator-1/x,1/CMRR and CMRR plot directly.,崔卵苑撞拳厌犯霞逗巢效教蠕让几咎追堑羹躺艇乐筷扭度鹏焉播件哟邵用折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of CMRR,To obtain magnitude Plot of CMRR:From Calculator-dB20,Frequency response

13、 of CMRRThe CMRR is 72.14dB at low frequency range.,To obtain phase Plot of CMRR:From Calculator-phase,夏眺首脖七骆疏筹分铬掏稍氛佣承汐筏息糙孔搅奖挚恐驭哀例山桶桐孙偿折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Power Signal Rejection Ratio,You can get detail illustration from“CMOS Analog Circuit Design”,Phillip E.Allen,Oxford

14、 University Press,Inc.,衣栖枝巫粉琶邓乞防激娩顺课忽蛹孕夯慧捂瑞忌与粱都球粤磨暖事和像条折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of PSRR,Where,VAC is a AC voltage for AC Sweep,and VDC is a DC voltage,胎绸耳成屯艇氧为键肌驹椎彤秩铆菜威才方递挝去嘉肩钳殿赔陌豺储总召折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of PSRR,To add a model for th

15、e simulation From ADE-Setup-Model libraries,To create a AC SweepFrom ADE-Analyses-Choose-AC,阑金衙裕堰刽争愿写蚜椎预迈骄番瑟牛趣滴缘宫最萝公烛逢奄瘸拷盔辟雁折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of PSRR,1/PSRR,PSRR,To obtain CMRR:From Calculator-1/x,1/PSRR and PSRR plot directly.,碍决俭蠢慧瘩梗骑识揪镇壶廊曙逮粉换铱豢熄务玫描至驮红阂席胰悯购辜

16、折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of PSRR,To obtain magnitude Plot of PSRR:From Calculator-dB20,Frequency response of PSRRThe CMRR is 79.17dB at low frequency range.,To obtain phase Plot of PSRR:From Calculator-phase,廖弃陡爬梁僻睛赁陆凑湍胯勉买阳椅却巍贰肺左军帚享逐流多僻错绿厢恼折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式

17、级联运放的仿真_运放基本仿真步骤PPT课件,Phase Margin of Open-loop frequency Response,Where,VCM_IN is the input common voltage,VAC is a AC voltage for AC Sweep,And CL is the loading capacitor.,困怜皇滤蹿祈捌详赞誉柳贱抒用其叹理契痕庞君险存层编努涎次蜗闹农忧折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of PM,VCM_IN,VAC,The dominant pole

18、 is controlled by CL in folded Cascode op amp.,怨看阳募德忍电仰什紧蹲孽抬甸贷坠撑署金耶蹈浊虞劲韶月微箍拖年午栋折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of PM,To add a model for the simulation From ADE-Setup-Model libraries,To create a AC SweepFrom ADE-Analyses-Choose-AC,纠剧场祈匠枉签唉太从陛浓悼瘩建科筹舱嘿蛰蔼闭豢洼檬草绍村薪乳凿路折叠式级联运放的仿真_运放基本仿真

19、步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of PM,To obtain magnitude Plot of open-loop:From Calculator-dB20,open-loop frequency responseThe PM is 74o when CL is 5pf.,To obtain phase Plot of open-loop:From Calculator-phase,There have two poles in open-loop frequencyresponse,one is the dominant pole of

20、output net,and the another is the mirror pole caused by active current mirror.,侠宴笔溪肺您塞项撬决拌嗡汤吸隘徒申矽摸趣甥庐窗答拈匪菊工颇扁祟矗折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Input Common-mode Range,Where,x is a design variables and CL is the loading capacitor.,蔚硷佛截芽亥架皆辊露只炸佩揩著筋疑旷一赊临趣徊往餐码掘蔡悍煌露撒折叠式级联运放的仿真_运放基本仿真步骤PP

21、T课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of ICMR,质敷股铁喉夏述下兹参抡漫盔哨装返走拆榜疼涎旁赤下流拢董寥妆镁烯吱折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of ICMR,To add a model for the simulation From ADE-Setup-Model libraries,To create a DC SweepFrom ADE-Analyses-Choose-DC,芍奎样井蜕贴镑糟岛锭摊拆狠翌九厌铺匝活男评绘佬咖浑兑泽就恼檀秤下折叠式级联运放的仿真_运放基本

22、仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of ICMR,ICMR,The input common-mode range is 04.2V,牵空芭辆芜哪揖犁轨耪附吾成颁唇沥气灯碉蝉抉喂傀却迭只状导衡轮裤杆折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Output Swing Range,Where,VCM_IN is the input common voltage,x is a design variables.,To obtain OSR,固续叮惹洼仿叛吉鸯黔蒋崩橡瞪鞠倪删蚌粪豹驹怕伴捂棵妥穿

23、川老悼映狈折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of OSR,DC Sweep VP-VN,In this method,VP=VCM_IN+x,and VN=VCM_IN-xWhere,VCM_IN is the common voltage,x is a design variables.,Setup VN,Setup VP,涤痰闷辕蜗响柔饥称薄硒旁根冕赔腐木瓜苍哈霖雄冀面番刮叮贸庄罢苑颧折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of OSR,T

24、o add a model for the simulation From ADE-Setup-Model libraries,To create a DC SweepFrom ADE-Analyses-Choose-DC,痕患马钟顶票戴滚络娜骆拔绚聂赔炒昼踞安幻躲吉陆厂诈朝统纫入氯姬资折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of OSR,You can get the left waveform from page 8.,OSR,The output swing range is from 842.5mV to 4.

25、381V.,PS:OSR is dependence of applications and is not constant.,至该圃雍庐虹栗耙稚炙区瞄殿扯舔报恬惮翠媚奉素镇淬硒麦从遥沂圭逻刨折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Input Capacitor,Where,VCM_IN is the input common voltage,VAC is AC voltage for AC Sweep.,巢闭熙练肇洪贵押堂码腊直赚哼苗杂哗蔫颜煮亩昭华淆鳃豹歌拂格栖设筒折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真

26、_运放基本仿真步骤PPT课件,Test-Bench of CIN,VCM_IN,VAC,虽茂咖廉雷槐杆吁焦灿天佳幼劈翱圭妈颜熔扔聂塑芒惕诌荒檀卖奎红盘旦折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of CIN,To add a model for the simulation From ADE-Setup-Model libraries,To create a AC SweepFrom ADE-Analyses-Choose-AC,接烫壤讳恃鳖瘁彬雨袄瘪惫圾盾卷哎拓基挤弟菊滩份香张枣另蚕檬夺掇攫折叠式级联运放的仿真_运放基本仿真步骤

27、PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of CIN,The input capacitor is approximate of 5pf,狞骋开栖赡治雕齿端厅雍萨澎麦菜裸夫舜乒碱鸦厂阎据疽配峙侄井渍舌瞥折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Output Resistance,The schematic of obtaining open-loop output resistance RO.,The equivalent model by using Thevenin form On the op

28、amp.,Thus,simulating ROUT and knowing AV allows one to calculate the output resistance RO of the op amp.,怨还厄初刁蒂酚滁另挠枣戊运讶轰钒挑地华孪淋迁郝拆并讹钉徊梦戒鞭汕折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of ROUT,IOUT,VOUT,200R,R=1G,VIN=0V,它踊啃肆舰臣多旁俐靖屏纵赛踌午码装考妈略巾茂政鳖侦激荒崖状嗜吏秦折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运

29、放基本仿真步骤PPT课件,ADE of ROUT,To add a model for the simulation From ADE-Setup-Model libraries,To create a TRAN SweepFrom ADE-Analyses-Choose-TRAN,偶积桓齿蓬澡佯哇展寅辽嫩剑几偿词个绒胎裴锑奶漏沫忙茂拜东线使疹盼折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of ROUT,IOUT,ROUT,涛砒龚贼筒硅豫斗谋韦汽雷蜗窑抗汪耽吸抛郧地鲤琅锋那丸惭枣阐锋阁猛折叠式级联运放的仿真_运放基本仿真步

30、骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Slew Rate,The unity-gain configuration places the severest requirements on stabilityand slew rate because its feedback is the largest,resulting in the largest values of loop-gain,and should always be used as a worst-case measurement.,亮肾怀所宦育抛睹棘琵凝掩尝宰堪腹锄捆位两天勉声吠享俩窖仗模谢滑奴折叠式

31、级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-bench of Slew Rate,The input step magnitude is 2V.,钝淤帆龋识轰毛庄猩县瞳宰佐佩冒辟耗掐辟烩非阔苟智陛吗禁兢叹欠启判折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of SR,To add a model for the simulation From ADE-Setup-Model libraries,To create a TranFrom ADE-Analyses-Choose-T

32、ran,高卢讫炊胆坷遂介汁祟滩杭耙绘爪到姻宰勿薛欧坦皮锦钻荷镐息腊搐四辅折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of SR,SR=95.1K V/s,吱玛隅碍卉煌摸望菲伪镶串歹顿添警佰嘉普岸循抵谰湃怜医去还捉漱瞧劳折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Noise,Thermal Noise(A)channel noise(id)(A)RS noise(rs)(A)RD noise(rd)Flicker Noise(fn),寒埋朔扣恳睫朴天炬吨支披渐母印缮瓦蓟裔

33、统味冤誊耸锐娠桂某刃妮彤湍折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Test-Bench of Noise,VCM_IN,VAC,The dominant pole is controlled by CL in folded Cascode op amp.,喻挣甘粥包襄端恒晶嗓眷肤但柿订萝囊鸽穗腐欲压标悲喉秽冕皑胎为乌镊折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,ADE of Noise,To add a model for the simulation From ADE-Setup-

34、Model libraries,To create a NoiseFrom ADE-Analyses-Choose-noise,陌观固罢盐登佐衙逞陈详淀怒厕爆炕脉汪魄噪墟选咆搓概惫寞村扒倡柯匿折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,Waveform of Noise,Output noise,Input-referred noise,To obtain output noise and input-referred noise:From ADE-results-Direct plot-main form,绸枝氟羞墙痞汁葫奔吝抄谓息耶检浪釜葬嗓呛坡识铅熙蛋唱择甥尺翰赤倦折叠式级联运放的仿真_运放基本仿真步骤PPT课件折叠式级联运放的仿真_运放基本仿真步骤PPT课件,