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Single SupplyfeiHcrRail LowPowerFEHrput OpAmpAD822FEATURES CONNECTIONDIAGRAMTrue Single Supply Operation8-Lead PlasticDI P,MS OP,and SOICOutput Swings Railto RailInput Voltage RangeExtends belowGroundSingle SupplyCapability from3V to36V OUT118V+Dual SupplyCapability fromL5V to18V-INI27OUT2High Load Drive+IN136-IN2Capacitive Load Drive of350pE G=+1AD822Mini mu m OutputCurrent of15mA V-45+IN2Excellent ACPerformance forLow Powerwith an input voltagerange extendingbelow thenegative raU,allowing800mA MaxQuiescent Currentper Amplifierthe AD822to accommodate input signalsbelow groundin thesingle supplyUnity Gain Bandwidth:L8M Hzmode.Output voltageswing extendsto within10mV ofeach railprovidingSlew Rateof
3.0V/ms the maxi mum output dynamicrange.Good DCPerformanceOffset voltageof800AV max,offset voltagedrift of2NV/C,input bias800mV MaxInput Offset Voltagecurrents below25pA andlow input voltage noiseprovide deprecision with2mV/C TypOffsetVoltage Driftsource impedancesup toa Gigaohm.25pA MaxInput Bias Current
1.8MHz unity gain bandwidth,-93dB TII Dat10kHz and3V/M slewrateLow Noiseareprovided witha lowsupply currentof800MA peramplifier The AD82213nV/VHz@10kHzdrives upto350pF ofdirect capacitiveload as a follower,and providesNoPhase Inversionamini mum output currentof15mA.This allowsthe amplifierto handleawide range of loadconditions.This combinationof acand deperformance,APPLICATIONSplus theoutstanding load drive capability,results in an exceptionallyBatter Powered PrecisionInstrumentation厂versatile amplifierfor thesingle supplyuser.Photodiode PreampsActiveFilters The AD822is availablein twoperformance grades.The Aand Bgrades are12-to14-BitData AcquisitionSystems ratedover theindustrial temperaturerangeofC to+85C.M edical Instrum e ntationThe A D822is offeredin threevarieties of8-lead package:Plastic DIP,Low PowerReferences and RegulatorsMSOP,and SOIC.PRODUCT DESCRIPTIONTheA D822is adual precision,low powerFET inputop amp thatcan operatefroma singlesupply of
3.0V to36V,or dualsupplies of±L5V to±18V.It hastrue singlesupply capability1005V10VoUT0VGND110100Ik10kFREQUENCY-HzFigure
2.Gain-of-2A mplifier;Vs=5,0,Vi=25V SineNFigure
1.Input Voltage Noise vs.FrequencyCentered at
1.25V,R=100kQbREV.BInformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,no responsibilityis assumed byAnalog Devicesfor its use,nor for any infringements ofpatentsTel:781/329-4700Fax:781/326-8703or otherrights ofthird partiesw hichmay resultfro mitsuse.No licenseis grantedby iin OneTechnology Way,P.
0.Box9106,Norwood,MA02062-9106,U.S.A.plication orotherwise underany patentor patentrights ofAnalog Devices.www.analog,com©Analog Devices,Inc.,20011000100ISOURCE=10mA9080ISINK=10mA70100+PSRR60ISOURCE=1mA50ISINK=1mA40-PSRR10ISOURCE=10A30ISINK=10A20100110100Ik10k100kIM10M-60-40-20020406080100120140FREQUENCY-HzTEMPERATURE-CTPC
22.Power Supply Rejection vs.FrequencyTPC
19.Output Saturation Voltage vs.Tem perature
803016002.4T=+125C14007015VT=+25C25RL=2k120015V60T=-55C20100050-OUT
2.2Vs=15V4080015S=0Y5V
2.06008-LEAD MINI-DIP30s=OV；3V
101.840020S=OY5V8-LEAD SOICVs=OY5V200=OV,3V10Vs=OY3V0010ko100k IM10M-60-40-20020406080100120140048TEMPERATURE-C12FREQUENCY-Hz162024TPC
20.Short CircuitCurrent Limit vs.Tem perature TPC
23.Large SignalFrequency Response283236Po werDissipation vs.Temperature forTOTALSUPPLYVOLTAGE-VTPC
21.Quiescent Current vs.Supply Voltage vs.Te mperature
1.
61.
41.
21.
00.88-LEAD MSOP
0.
60.
40.
20.0-60-40-20020406080AMBIENTTEMPERATURE-CTPC
24.Maxim um PlasticPackages-70TPC
26.Unity-Gain Follower TPC
29.Large Signal Response Unity Gain Follower;OUTV±15V,RL=10kQ-80s二20k22kTPC
27.20V p-p,25kHz SineWave Input;Unity Gain TPC
30.S mall SignalResponseUnity Gain-
900.1FFollower;R=600Q V=±15V Follower;V±15V,Rj,10kQL ss二二1/2AD822-100720Vp-p31/25k5k-110AD822-
1200.1OUTCROSSTALK=20L0GIOVIN-130-140300Ik3k10k30k100k300kFREQUENCY-HzTPC
25.Crosstalk vs.FrequencyTPC
28.Crosstalk TestCircuit1/2AD
8220.01FINOUTRL100pF
0.01FGND GNDTPC
32.Unity Gain FollowerTPC
35.V=5V,0V;40mV UnityGain FollowerResponse,to10mVsStep CenteredAbove Ground,R=10kQL10k20kINTPC
31.Vs=5TVP,C033V.;+VGU saniint-yofG-aTiwnoFIonlvleorwteerrResponse to VO0UTV to4TTPPCC
3364..VV ss==55VV,,00VV;;to0UnityGainFollower ResponseV Step
0.01F2V0tmoV5StVepS,teCpentered Gain-of-Two InverterResponse to20mVBelow Ground,K=10kQ8L1/2lOOpFAD822GND+Vs
0.01F8VIN1/2VOURLlOOpF4AD822TGNDGND TPC
37.Vs=5V,0V;Gain-of-Two InverterResponse toGND
2.5V StepCentered-L25V BelowGround,R=10kL+VsTPC
39.a ResponsewithaR=0;V from0to+V bVP1N S[N=0to+Vs+200mV0to+VsVoUT-R=
49.9kQPGNDGNDb5VTPC
38.Vs=3V,0V;Gain-of-Two Inverter,Vi=
1.25V,25kHz,Sine RpNWaveCentered at-Q75V,R.=600Q*IN“OUTAPPLICATION NOTES100kWHENEVERJOHNSONNOISEISGREATERTHANAMPLIFIERNOISE,INPUT CHARACTERISTICSAMPLIFIERNOISECANBECONSIDEREDNEGLIGIBLEFORAPPLICATION.10kIn the AD822,n-channel JFETsare used to providea lowoffset,low noise,1kHzhigh impedanceinput stage.Minima minput common-mode voltageextendsIkfrom
0.2V below-V to1V less than+V.Driving the input voltagecloser RESISTORJOHNSONsSNOISEto the positive rail will causea lossof amplifier bandwidth ascan be100seen bycomparing thelarge signalresponses showninTPCs31and34andincreased com mon-mode voltageerror asillustrated in TPC
17.10The AD822does notexhibit phase reversal forinput voltagesLID lpnand10Hzincluding+V.IPX39a shoAys.the responseof an A uo22voltage followerSAto aU vto5V+V；square wave1SAMPLIFIER-GENERATEDNOISE
0.1input Th.einputandoutput aresuperimposed.The outputtracks the inputup to+V withoutphasereversal.1he reduced10k100kIM10M100M1G10GS SOURCEIMPEDANCE-bandwidth abovea4V inputcauses therounding of the outputwaveloi in.Figure
3.Total Noise vs.Source Impedancerurinput villagesgretuer uituiT V,a lesitiioiinSseries with the A D822s noninvertinginput willprevent phasereversal,OUTPUT CHARACTERISTICSat the expenseof greaterinput voltage noise This is illustrated in TPCTheA D822s uniquebipolar rail-to-rail outputstage swingswithin5mV39b.of the minus supplyand10mV of the positivesupply withno externalresistiveload.The AD822sapproximate outputsaturation resistanceis40Since the input stageuses n-channel JFETs,input currentduring normalQsourcing and20Qsinking.T hiscan be used toesti mateoutput saturationoperationis negative;the currentflows outfro mthe inputterminals.voltage whendriving heaviercurrent loads.For instance,when sourcingIfthe inputvoltage isdriven morepositive than+V-
0.4V,the inputS5mA,the saturationvoltage to the positivesupply railwill be200mV,current willreverse directionas internaldevice junctionsbecom eforwardwhen sinking5mA,the saturationvoltage to the minusrailwill be100biased This is illustratedinTPC
4.mV.A currentlimiting resistorshould be used inseries withthe inputof theTheamplified sopen-loop gaincharacteristic willchange as a functionofAD822if there is apossibility of theinputvoltage exceedingthe positiveresistiveload,as shownin TPCs7through
10.For loadresistances oversupplyby morethan300mV,or ifaninputvoltage will be appliedto the20kQ the A D822sinput errorvoltage isvirtually unchangeduntil theAD822when±V=
0.The amplifier willbedamaged ifleft inthat conditionsoutputvoltage isdriven to180mV ofeither supply.for morethan10seconds.A1kQresistor allowsthe amplifierto withstandupto10V ofcontinuous overvoltage,and increasestheinputvoltage noiseIfthe AD822soutput isoverdriven soas tosaturate eitherof the outputby anegligible amount.devices,the amplifierwill recoverwithin2of itsinput returningto用the amplifierslinear operatingregioaInput voltageslessthan-Vs area completelydifferent story.Theamplifier cansafely withstandinput voltages20V belowtheminussupplyDirect capacitiveloads willinteract withthe am plifief seffectivevoltage aslong asthe totalvoltage fromthe positivesupply tothe inputoutputimpedance toform anadditional polein theamplifiers feedbackteimi nalis lessthan36V.In addition,theinputstage typicallymloop,which cancause excessivepeaking on the pulseresponse or loss ofaintainspicoamp levelinput currentsacross thatinputvoltagerange.stability.Worst-case iswhen theamplifier isused asa unitygain follower.Figure4shows the AD822s pulseresponse asa unitygain followerdrivingT heA D822is designedfor13nV/V Hzwideband inputvoltagenoiseand350pF.This amountof overshootindicates approximately20degrees ofmaintains low noiseperformance tolow frequenciesrefer to TPC
11.Thisphase margin-the systemis stable,but isnearing theedge.Configurationsnoise performance,along withthe A D822slowinput currentand currentwithless loopgain,and asa resultless loopbandwidth,willbemuch lessnoisemeans that theA D822contributes negligiblenoise forapplicationssensitive tocapacitance loadeffects.Figure5is aplot ofcapacitivewith sourceresistances greaterthan10kQand signalband widthsgreaterload thatwill result ina20degree phasemargin versusnoise gainforthan1kHz.This isillustratedin Figure
3.theA
1822.Noise gain is theinverse of the feedbackattenuation factorprovidedby thefeedback networkin use.Figure
4.S mallSignalResponse ofAD822as UnityGain AD822vOUT
0.01FFollower Driving350pF4CLFigure6shows amethod forextending capacitanceloaddrivecapabilityvsfor aunitygainfollow er.With thesecomponent values,the circuitwilldrive5,000pF witha10%overshoot20pF20k+vsFigure
6.Extending UnityGainFollowerCapacitive LoadCapability
0.01F8Beyond350pF1/2iooAPPLICATIONSSingle SupplyVoltage-to-Frequency ConverterThecircuit showninFigure7uses theA D822to drivea lowpower timer,which producesa stablepulse ofwidth ti.The positivegoing outputpulseis integratedby Rl-Cl andused asone inputtotheA D822,which isconnectedasadifferential integratorThe otherinput nonloadingisthe unknownvoltage,V.TheAD822output drivesthe timertrigger input,INclosing theoverall feedbackloop.+10VU4C5REF-
020.1CMOSRSCALE**74HCO4OUT2C310k
10.1FU3A300Ik3k10k30k U3B42CAPACITIVELOADFOR200PHASEMARGIN-pF0UT1U2CMOS
5550.01F,2%R2499k1%R3*UI Cl116kTHROUT1/2RF、AD822B TRVINCV499k1%DISRI C6GNDC2390pF
10.01F,2%C45%
0.01NPOFigure
5.Capacitive LoadTolerance vs.Noise Gain0VTO
2.5VFULLSCALE NOTES:V=5VREFfour=VIN/VREFti,ti=L1R3C6=25kHzFsASSHOWN*=1%METALFILM,50ppm/CTC♦*=10%20TFILM,100ppm/CTCti=33sFORfoui=20kHz@VIN=20VFigure
7.Single SupplyVoltage-to-Frequency ConverterTy pical AD822bias currentsof2pA allowmegoh m-range sourceimpedanceswith negligiblede errorsLinearity errorson theorder of
0.RI R2R3R4R5R6OHMTEK01%full scalecan beachieved withthis circuitThis performanceis90k9k IkIk9k90k PART#1043obtained witha5V singlesupply whichdelivers lessthan1mA tothe VREFentirecircuitSingle Supply Program mableGain Instrumentation Amplifier The=10=100G=100=10AD822can beconfigured asa singlesupply instrumentationamplifier thatisable tooperate fromsingle suppliesdown to3V,or dualsupplies upo.ito±15V.Using onlyone AD822rather thanthree separateop amps,thiscircuit iscost andpower efficientAD822FET inputs2pA biascurrentsminimize offseterrors causedby highunbalanced sourceimpedances.Rp1/21/2AD822AD822lkVlNl VoUTAnarray ofprecision thin4ilm resistorssets thein ampgain tobe either10or
100.These resistorsare laser-tri m med toratio matchto
0.01%,RPlkand havea maxi mu mdifferential TCof5ppm/C IN2G=10喏正-T州VOUT INIR5+R6G=100VOUT=VINI-VlN2Table LAD822In AmpPerformance1+--R4+vREFFigure8b.A SingleSupplyProgram mab leInstru mParametersV=3V,0V V=5Vs sentatio nA m plifierCMRR74dB80dBC ommon-M od eV oltage Range-Q2V to+2V-52V to+43V3dB BW,G=10180kHz180kHzG10018kHz18kHz二」1FMYLARCHANNEL1tsETTLING
95.3k0F
0.1F2V StepV=0V,3V2Mss1/25V V=±5V5Ms
47.5k AD822s500FNoise©f=1kHz,G=10270nV/VHz270nV/V HzG
1002.22/J Hz
2.23/J Hz二
95.3k
4.99k LISUPPLYTotal
1.10mA
1.15mA10kHEADPHONES32IMPEDANCE10k
4.99k p1F47,5k AD822MYLAR500FCHANNEL2Figure
9.3V SingleSupply Stereo Headphone DriverFigure8a.Pulse Responseof InAmp toa500mV p-pInput Signal;V=5V,0V;Gain=10s3V,SingleSupplyStereoHeadphoneDriver+VsThe AD822exhibits goodcurrent driveand TH D+N perfbLma nee,even
49.9k Riat3V singlesupplies.At1kHz,total harmonicdistortion plusnoise T+
1.235V201/2TOA/DCONVERTERH D+N equals-62dB
0.079%fora300mV p-p outputsignal.This isAD589AD822REFERENCEINPUTcomparable toother singlesupply opamps whichconsume morepower and
25.4k1%+Vscannot runon3V power supplies10k1%350350In Figure9,each channelsinput signalis coupledvia a1MF Mylarcapacitor.Resistor dividersset thede voltageatthenoninverting inputs350350R GAD620so thattheoutputvoltage ismidway between the powersupplies
1.5V.T hegainis
1.
5.Each half of theA1822can thenbeusedto drivea10k1%VREFheadphone channel.A5Hz high-pass filteris realizedby the500PF-Vscapacitors andthe headphones,which can be modeledas32Qload resistors10k1%1/2to ground.T hisensures thatall signalsin theaudio frequencyrange20AD822-45V+V+++5VR2F1FHz-20kHz aredelivered tothe headphones.20GND+Vq
0.1F+1FLow DropoutBipolar BridgeDriver-Vs-5VFigure
10.Low DropoutBipolar BridgeDriverThe AD822can beused fordriving a350QW heatstonebridge.Figure10showsone halfoftheAD822being usedto bufferthe AD589a
1.235V lowpower一reference.The outputof
4.5V canbeusedto drivean A/D converterfrontend.The otherhalfoftheAD822is configuredasaunity-gain inverter;and generatesthe otherbridge inputof-45V.Resistors RIandR2providea constantcurrent forbridge excitationTheAD620low powerinstrumentationamplifier isusedtocondition thedifferential outputvoltageofthebridge.The gainoftheAD620is programmed usinganexternal resistorR；,and determinedby:_
49.4kQU—十］RGOUTLINE DIMENSIONSDi mensions shownin inchesand min.P DIPPackage S01C PackageN-8S0-
8850.
19685000.
250.
310.1890480PIN
16357.871485z
0.
15744.
000.
24406200.
307.
620.1497a80i
40.2284580REF
0.399i91MAXPIN
10.165Q
010.035Qa
010.0196a50«
0.0500L27419a2589Q25BSC
0.0099a
250.
1253180.18Q
034570.
06881750.0098Q25MIN Q
760.0040a
100.0532L
350.011Q0038o.oi8a003aioQ46a08ff-15928Q08SEATING
0.0192Q49o.0098a250Q0500L27254Q033SEATINGa84PLANE a0138Q
350.0075a
190.0160Q41PLANE8-Lead Mini_S0ICRM-
80.122S
100.
11429050.
1223100.
1995050.
1142900.187475PIN
10.0256Q65BSC
0.120a
050.120S
050.
1122840.
1122840.043L
090.006Q
150.037Q
940.002Q
05330.018a
460.011Q
28270.
0.028Q71SEATINGo.OO8Q20003a
0.
10.
80.
10.4m VMax Offset over T c mpcraturc
0.
51.
20.
50.9m VOffset Drift220CInput Bias Current VCM=0V to4V225210PAat TMAX
0.
550.
52.5nAInput OffsetCurrent220210pAat TMAX
0.
50.5nAOpen-Loop Gain Vo=
0.2V to4VRL=100kQ50010005001000V/mVT MIN to TMAX400400V/mVRL=10kQ8015080150V/mVT MIN to TMAX8080V/mVRi.=1kQ15301530V/mVT MIN to TMAX1010V/mVNOISE/HARMONIC PERFOR MANCEInput VoltageNoise
0.1Hz to10Hz22NV p-pf=10Hz2525nV/V Hzf=100Hz2121n V/V Hzf=1kHz1616nV/J Hzf=10kHz1313nV/J HzInputCurrent Noisc
0.1Hz to10Hz1818fA p-pf=1kHz
0.
80.8fA/V HzHarmonic Distortion Ri.=10kQto25Vf=10kHz Vo=
0.25V to
4.75V-93-93dBD YN AMIC PERFORMANCEU nityGain Frequency
1.
81.8M HzFullPower Response Vo p-p=
4.5V210210k HzSlewRate33V/MsSettling Timeto
0.1%V o=
0.2V to
4.5V
1.
41.4Msto
0.01%
1.
81.8NsMATCHING CHARACTERISTICSInitialOffset
1.
00.5in VMax Offset over Temp erature
1.
61.3m V0ffsetDrift332/CInput BiasCurrent2010pACrosstalk@f=1kHz Ri.=5kQ-130-130dBf=100kHz-93-93dBINPUT CHARACTERISTICSCo m mon-Mode VoltageRange2-Q2+4-02+4VT MIN to TMAX-02+4-Q2+4VC MR RVCM=0V to2V66806980dBT MIN to TMAX6666dBInput ImpedanceDifferential1013p.51013p.5QtpFt tCommonMode
10.81013t
2.8QtpFOUTPUT CHARACTERISTICS0utput Saturation Voltage3V OL-VEE ISINK=20M5757m VT MIN to TMAX1010mVVcc-Von20MA10141014in V【SOURCE二TMIN to TMAX2020m VVOL-VEE ISINK=2mA40554055m VTMIN to TMAX8080m VVcc-Von【=2mA8011080110m VSOURCETMIN to TMAX160160m VVOL-VEE ISINK=15mA300500300500m VTMIN to TMAX10001000m VVcc-VOH【SOURCE=15mA80015008001500mVT MIN to TMAX19001900in V0perating OutputCurrent1515m ATMIN to TMAX1212m ACapacitiveLoad Drive350350pFPOWER SUPPLYQuiescent Current TMIN to TMAX
1.
241.
61.
241.6m APowerSupply RejectionV+=5V to15V66807080dBsT MIN to TMAX6670dBPara meterConditions MinTyp Max MinTyp MaxDC PERFOR MANCEInitial Offset
0.
10.
80.
10.4m VMa xOffset over T emperature
0.
51.
50.51mVOffset Drift22W CInput BiasCurrentVCM=-5V to+4V225210PAat TMAX
0.
550.
52.5nAInput OffsetCurrent atTMAX220210PAOpen-Loop Gain
0.
50.5nAVo=-4V to+4VRL=100kQ40010004001000V/mVT Mi N to TMAX400400V/mVRL=10kQ8015080150V/mVT MIN to TMAX8080V/mVRL=1kQ20302030V/mVT Mi N to TMAX1010V/mVN OISE/HAR MONIC PERFORMANCEInputVoltage Noise
0.1Hz to10Hz22NV p-pf=10Hz2525nV/J Hzf=100Hz2121nV/V Hzf=1kHz1616nV/J Hzf=10kHz1313nV/J HzInputCurrent Noise
0.1Hz to10Hz1818fA p-pf=1kHz
0.
80.8fA/VHzHarmonic Distortion RL=10kQf=10kHz Vo=±45V-93-93dBDY NAMIC PERFORMANCE UnityGain
1.
91.9MHzFrequency FullPower ResponseVo p-p=9V105105kHzSlew Rate33V/MsSettling Time to
0.1%Vo=0V to±45V
1.
41.4Ms
1.
81.8Msto
0.01%
1.
00.5m VMATCHINGCHARACTERISTICS InitialOffset32m VMaxOffset over Te mperature OffsetDrift33C必Input BiasCurrent2510PACrosstalk©f=1kHz RL=5kQ-130-130dBf=100kHz-93-93dBINPUT CHARACTERISTICSCom mon-Mode Vol tageRange2-52+4-52+4VT Mi Nto TMAX-52+4-52+4VC MRR VCM=-5V to+2V66806980dBT Mi Nto TMAX6666dBInput ImpedanceDifferential CommonMode1013P.51013P.5QtpFOUTPUT CHARACTERISTICS0utput Saturation11IO
810132.8QtpFVoltage3VOL-VEE已tISINK=20M5757m VT MiNtoTMAX1010m VVcc-VOH ISOURCE=20MA10141014mVT MIN toTMAX2020in VVOL-VEEISINK=2mA40554055mVT MiNtoTMAX8080m VVcc_VOH ISOURCE=2mA8011080110m VTMiNtoTMAX160160m VVOL-VEE ISINK=15mA300500300500m VTMiNtoTMAX10001000m VVc c-V0H ISOURCE=15mA80015008001500m VTMIN toTMAXOperating OutputCurrent19001900mV1515in ATMIN toTMAX1212m ACapacitiveLoadDrive350350pFPOWER SUPPLYQ uiescentCurrent TMIN toTMAX
1.
31.
61.
31.6m APowerSupply RejectionV+=5V to15V66807080dBsT MIN toTMAX6670dBAD822A AD822B UnitAD822—SPEQFIC/VnCNSVs=15V@T=25c VCM=0v,%=0V unlessotherwise notedAAD822A AD822BPara meterConditions MinTyp Max MinTyp Max UnitDC PERFORMANCEInitial Offset
0.
420.
31.5mVMax OffsetoverTcmperat uro
0.
530.
52.5m VOffsetDrift22gvz cInput BiasCurrentVcM=0V225212PAVcM=-10V4040PAat TVcM=0V
0.
550.
52.5nAMAXInput OffsetCurrent220212pAat TMAX
0.
50.5nA0pen-Loop GainVo=+10V to-10VRL=100kQ50020005002000V/mVT MINtoTMAX500500V/mVRL=10kQ100500100500V/mVT«1NtoTMAX100100V/mVRL=1kQ30453045V/mVT1toTX2020V/mVM NMAN O1SE/HAR MONICPERFORMANCEInput VoltageNoise
0.1Hz to10Hz22AV p-pf=10Hz2525nV/J Hzf=100Hz2121nV/VHzf=1kHz1616nV/J Hzf=10kHz1313nV/J HzInputCurrent Noise
0.1Hz to10Hz1818fA p-pf=1kHz
0.
80.8fA/VIlzHar monicDistortionRL=10kQf=10kHz Vo=±10V-85-85dBDYNAMIC PERFORMANCEU nityGain Frequency
1.
91.9MHzFull PowerResponseVop-p=20V4545kHzSlew Rate33V/PsSettling Timeto
0.1%Vo=0V to±10V
4.
14.1Msto
0.01%
4.
54.5MsMATCHING CHARACTERISTICSInitialOffset32m VMa xOffsetoverTemperature
42.5mVOffset Drift33MV/CInput BiasCurrent2512PACrosstalk@f=1k HzRL=5kQ-130-130dBf=100kHz-93-93dBINPUT CHARACTERISTICSCommon-Mode VoltageRange2-
15.2+14-
15.2+14VTMiNtoTMAX-
15.2+14-
15.2+14VC MR RV=-15V to+12V70807490dBCMT MINtoTMAX7074dBInput ImpedanceDifferential IO1051013t
0.5QtpFCommon Mode
10132.8108QlpFt以⑵OUTPUT CHARACTERISTICSOutput SaturationVoltage3VOL-VEE ISINK=20MA5757mVTWIN toTMAX1010in VVc c-VoH ISOIRCE=20PA10141014in VTMiNtoTMAX2020mVV OL-VEE ISINK=2in A40554055mVT toTMAX8080m VMINVcc-Von ISOIRCE=2mA8011080110m VTMINtoTMAX160160m VVOL-VEE ISINK=15mA300500300500m VTMINtoTMAX10001000mVVcc-Von ISOIRCE=15in A80015008001500mVT MiNtoTMAX19001900inV0perating OutputCurrent2020in ATM1toT«AX1515m ANCapacitiveLoadDrive350350pFPOWER SUPPLYQuiescentCurrentTMINtoTMAX
1.
41.
81.
41.8m APowerSupplyRejectionV+=5V to15V70807080dBsT MINtoTMAX7070dBPara meterDCPERFORMANCEInitialOffsetMax OffsetoverTe mperatureOffset DriftInput BiasCurrentat TMAXInputOffset CurrentatTMAX0pen-Loop GainMINto TMAXTMINtoTMAXTMIN toTMAXN OISE/HAR M0NICPERFORMANCEInput VoltageNoise
0.1Hz to10Hzf=10Hzf=100Hzf=1kHzf=10kHzInput CurrentNoise
0.1Hz to10Hzf=1kHzHarmonic Distortionf=10kHzD YN AMIC PERFORMANCEU nityGain FrequencyFullPower ResponseSlewRateSettling Timeto
0.1%to
0.01%M ATC HINGCHARACTERISTICSInitial OffsetMaxOffsetoverTe mperatureOffsetDriftInput Bias CurrentCrosstalk©f=1kHzf=100kHzINPUT CHARACTERISTICSCo,『mon-Mode VoltageRange2MINtoTMAXC MR Ri,TMINtO1MAXInput ImpedanceDifferentialCommonModeOUTPUT CHARACTERISTICS0utputSaturationVoltage3VOL-VEEMIN toTMAXVcc-VOHMIN toTMAXVOL-VEEMIN toTMAXVcc-VOHMIN toTMAXVOL-VEEMIN toTMAXVcc-VonYIN toTMAXOperating OutputCurrent MINto TMAXCapacitiveLoad DrivePOWERSUPPLYQuiescentCurrent TMINto TMAXPowerSupply RejectionMINto TMAXConditionsTyp UnitAD822-SPEOFICMICNS
0.2mV
0.5m VNOTES!See standaidmilitary drawingfor883B specifications.1MV/C’Thisisa functionalspecification.Amplifierbandwidthdecreases whenthe VCM=oV to2V2pAinput com mon-mode voltage is diivenin therange+V s-1V to+V8Com
0.5nAmon-mode errorvoltageistypically lessthan5mV withthecommon-mode2pAvoltage setat1volt belowthe positivesupply.
0.5nA3VOL-VEE isdefined asthe differencebetweenthelowest possible output voltageVo=
1.25V inTPC
1.5MHzOperating TemperatureRange sufficientto guaranteethatthemaximum junctiontemperatureisnotVo p-p=
0.2V to25aVsupply rail,then theampli1fierwillnot bedestroyed,evenMisf thisNOTES1StressesabovethoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamage conditionpersists foran exte1n.d4edperiod.因tothedevice.Thisisa stressrating only;functional operationofthedevice atthese oranyother conditionsabove thoseindicated inthe operationalsection ofthis specificationis notimplied.Exposure toabsolute maximumrating conditionsfor extendedperiods mayaflectdevice reliability.28-Lead PlasticDTP Package:0=90°7W2MV/CJA8-Lead SOTCPackage:OJA=167C/W Ri.=5kQ-130dB8-Lead MSOPPackage:9=19C/WJA-93dBSpecifications subjectto changewithout notice.ORDERING GUIDE74dBV=0V to1VcM10135QtpF11328OlpF5in VISINK=20MAISOURCE=20NA10mVISINK=2mA40in VISOURCE=2mA80m VISINK=10mA200m VISOURCE=10mA500mV350pF
1.24m AV+=3Vto15V80dBsPackage0BrandingM odel*TemperatureRange PackageDescriptionption InformationAD822AN-4J C to+85C8-Lead PDIPN-8AD822AR-40C to+85C8-Lead SOIC R-8AD822AR M-4J Cto+85C8-Lead MiniSOICRM-8B4AA D822BR-40Cto+85C8-Lead SOICR-8*SPICE modelis availableat www.analog,com.CAUTIONES Delectrostatic dischargesensitive device.Electrostatic chargesas highas4000V readilyaccu mulateonthehu manbody andtest equipm entandcan dischargewithout detection.Although theAD822features proprietaryES Dprotection circuitry,permanent damagemay occuron devicessubjectedto high-energy electrostaticdischarges.Therefore,proper ESIprecautions arerccom mendedto avoidperformance degradationorlossof functionality.Typical PerformanceCharacteristics-AD82270Vs=OY5V605040030Vs=0V,+5VAND5VVs=5V20100-5-05-Q4-Q3-Q2-QI
00.
10.
20.3Q
40.5-5-4-3-2-1012345OFFSETVOLTAGE-mVCOMMON-MODEVOLTAGE-VTPC
1.Typical Distributionof OffsetVoltage390UnitsTPC
4.InputBiasCurrent vs.Co mmon-M odeVoltage;V=5V,0V andV=±5Vs s1016Ikvs=5V14Vs=15V
121001080.1-16-12-8-404812166COMMON-MODEVOLTAGE-V4TPC
5.InputBiasCurrent vs.Common-Mode Voltage;V=±15Vs20-12-10-8-6-4-20246810OFFSETVOLTAGEDRIFT-N/CTPC
2.Typical Distributionof OffsetVoltageDrift100Units50100k4510k4035Ik
3025100201015101500.101234567891020406080100120140INPUTBIASCURRENT-pA TEMPERATURE-CTPC
3.Typical Distributionof InputBias CurrentTPC
6.InputBiasCurrentvs.Temperature;Vs=5V,VCM-0213Units10M40POSRAILL=20k L=2kVs=15V20IMNEG RAILVs=OV；5VPOSRAILPOSRAILS=OY3V100k-20NEG RAILRL=100kNEG RAIL10k-400100Ik10k100k60120180240300LOADRESISTANCE-OUTPUT VOLTAGEFROMSUPPLYRAILS-mVTPC
7.Open-Loop Gainvs.Load ResistanceTPC
10.Input ErrorVoltage withOutput Voltagewithin mVof EitherSupplyRail forVarious ResistiveLoads;±5V30010M Ik-L=100kVs=15VIM100Vs=0%5VRL=10k Vs=15V100k10Vs=15VRL=600Vs=OY5V10k-60-40-2002040608010012014010100Ik10kFREQUENCY-HzTEMPERATURE-CTPC
8.Open-Loop Gainvs.TemperatureTPC
11.InputVoltageNoisevs.Frequency300-40R=10k-50L200A=-1CL-60100RL=10kL=100k-70Vs=OY3V;VOUT=25Vp-p-80Vs=15V;VOUT=20Vp-p-100Vs=5V;VOUT=9Vp-pRL=600-200-100Vs=OV,5V;VOUT=
4.5Vp-p-300-110-16-12-8-416100Ik10k100kOUTPUT VOLTAGE-V FREQUENCY-HzTPC
9.Input ErrorVoltage vs.Output Voltagefor ResistiveTPC
12.Total HarmonicDistortionvs.FrequencyLoads100FREQUENCY-Hz10090FREQUENCY-HzTPC
13.Open-Loop Gainand PhaseFrequency Marginvs.TPC
8016.Common-Mode Rejectionvs.Frequency8080Ik SETTLINGTIME-s LOADCURRENT-mA7015VPHASE6cL:=+1TPC
15.OutputSwingand Errorvs.Settling TPC
18.Output SaturationVoltagevs.Load Current60S=:15V6060Ti meNEGATIVEPOSITIVE100Vs=OY5VGAIN RAILRAIL50Vs=OV,3V40404010202030+25C々:20lOO10pF+125C-55C-20-
2000.110100Ik10k100k10M10100Ik10k100k IM10M-55C+125C
0.01-i o100Ik10k100k10MFREQUENCY-Hz COMMON-MODE VOLTAGEFROMSUPPLYRAILS-VTPC
14.Output Impedancevs.Frequency TPC
17.Absolute Common-Mode Errorvs.Commo n-M ode VoltagefromSupply RailsV-V sCM
161000121000.01%S-VoH
0.1%ERROR
0.01%-4VOL-Vs101%-
1200.
0011.
02.
04.
00.
010.110100。
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