 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| (R) P r o d uPA93o v a t i o n F r o m ct Inn PA93 PA93 DESCRIPTION The PA93 is a high voltage, low quiescent current MOSFEToperationalamplifierdesignedasalowcost solutionfordrivingcontinuousoutputcurrentsupto8A andpulsecurrentsupto14A.Thesafeoperatingarea (SOA) has no second breakdown limitations and can beobservedforalltypeloadsbychoosinganappropriatecurrentlimitingresistor.TheMOSFEToutputstage isbiasedABforlinearoperation.Externalcompensationprovidesflexibilityinchoosingbandwidthandslew ratefortheapplication.ApexPrecisionPower'sPower SIPpackageusesaminimumofboardspaceallowing forhighdensitycircuitboards.ThePowerSIPpackage iselectricallyisolated. High Voltage Power Operational Amplifiers FEATURES HIGHVOLTAGE--400V(200V) LOWQUIESCENTCURRENT--10mA HIGHOUTPUTCURRENT--8A PROGRAMMABLECURRENTLIMIT APPLICATIONS PIEZOELECTRICPOSITIONING HIGHVOLTAGEINSTRUMENTATION ELECTROSTATICTRANSDUCERS PROGRAMMABLEPOWERSUPPLIESUP TO390V EQUIVALENT SCHEMATIC +VS R1A R1B C1 R3 Q1 Q6 Q5 Q14A -IN R5 R8 Q2 Q3 R4 Q4 ILIM CC2 CC1 Q14B R6 R9 Q12 Q13 Q8 Q11 R7 OUT +IN Q15 R11 R15 Q16 Q18 -VS R12 EXTERNAL CONNECTIONS 1 2 3 Rc -IN +IN 4 5 Cc RCL 6 7 8 9 10 11 12 PATENTED -Vs +Vs * * IQ TO LOAD AND FEEDBACK (See text.) * Bypassing required. Formedleadsavailable SeepackagestyleEE MAR 2010 1 APEX - PA93UREVJ 12-pin SIP PACKAGE STYLE DP PA93U www.cirrus.com Copyright (c) Cirrus Logic, Inc. 2010 (All Rights Reserved) PA93 (R) Product Innovation From 1. CHARACTERISTICS AND SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS Parameter SUPPLYVOLTAGE,+VSto-VS OUTPUTCURRENT,source,sink,peak,withinSOA POWERDISSIPATION,continuous@TC=25C INPUTVOLTAGE,differential INPUTVOLTAGE,commonmode TEMPERATURE,pinsolder,10smax. TEMPERATURE,junction(Note2) TEMPERATURERANGE,storage OPERATINGTEMPERATURERANGE,case -40 -25 -20 -VS Symbol Min Max 400 14 125 20 VS 260 150 85 85 Units V A W V V C C C C CAUTION ThePA93isconstructedfromMOSFETtransistors.ESDhandlingproceduresmustbeobserved. Theexposedsubstratecontainsberyllia(BeO).Donotcrush,machine,orsubjecttotemperatures inexcessof850Ctoavoidgeneratingtoxicfumes. Parameter Test Conditions1 Min Typ 2 Fulltemperaturerange 15 10 75 200 4 50 10 Vs15 VCM=90V 100KHzBW,RS=1K, CC=10pF RL=2K,CC=10pF RL=2K,CC=10pF RL=2K,CC=10pF Fulltemprange IO=8mA CC=10pF Fulltemprange 1 VS12 8 50 94 80 98 1 11 SPECIFICATIONS Max 10 50 25 2000 500 Units mV V/C V/V V/kHz pA pA/V pA pF V dB VRMS INPUT OFFSETVOLTAGE,initial OFFSETVOLTAGEvs.temperature OFFSETVOLTAGEvs.supply OFFSETVOLTAGEvs.time BIASCURRENT,initial BIASCURRENTvs.supply OFFSETCURRENT,initial INPUTIMPEDANCE,DC INPUTCAPACITANCE COMMONMODEVOLTAGERANGE (Note3) COMMONMODEREJECTION,DC NOISE GAIN OPENLOOP@15Hz GAINBANDWIDTHPRODUCT@1MHz POWERBANDWIDTH PHASEMARGIN OUTPUT VOLTAGESWING(Note3) CURRENT,continuous SLEWRATE,AV=100 CAPACITIVELOAD,AV=+1 VS10 V A V/S nF 111 12 30 60 dB MHz KHz 4 2 PA93U (R) Product Innovation From PA93 Test Conditions1 Min Typ 1 10 40 150 10 200 14 0.7 1 30 -25 +85 Parameter SETTLINGTIMEto0.1% RESISTANCE,noload POWER SUPPLY VOLTAGE(Note5) CURRENT,quiescent THERMAL RESISTANCE,AC,junctiontocase (Note4) RESISTANCE,DC,junctiontocase RESISTANCE,junctiontoair TEMPERATURERANGE,case Max Units S V mA C/W C/W C/W C CC=10pF,2Vstep Fulltemprange,F>60Hz Fulltemprange,F<60Hz Fulltemprange Meetsfullrangespecifications NOTES: 1. Unlessotherwisenoted:TC=25C,DCinputspecificationsarevaluegiven.Powersupplyvoltage istypicalrating.RC=100CC=220pF. 2. Longtermoperationatthemaximumjunctiontemperaturewillresultinreducedproductlife.Derate internalpowerdissipationtoachievehighMTTF. 3. +VSand-VSdenotethepositiveandnegativepowersupplyrailrespectively. 4. Ratingappliesiftheoutputcurrentalternatesbetweenbothoutputtransistorsataratefasterthan 60Hz. 5. Deratemaxsupplyrating.625V/Cbelow25Ccase.Noderatingneededabove25Ccase. TYPICAL APPLICATION RF +VS LOW POWER, PIEZOELECTRIC POSITIONING Piezopositioningmaybeappliedtothefocusingofsegmented mirror systems. The composite mirror may be composed of hundredsofelements,eachrequiringfocusingundercomputer control.InsuchcomplexsystemsthePA93reducesthecosts ofpowersuppliesandcoolingwithitsadvantagesoflowcost andlowquiescentpowerconsumptionwhileincreasingcircuit densitywiththeSIPpackage. R IN 1 11,12 PIEZO DRIVE PA93 6 V OUT 2 COMPUTER FOCUS COMMAND VOLTAGE 7,8 9,10 R CL TYPICAL PERFORMANCE GRAPHS 90 -V S NORMALIZED QUIESCENT CURRENT, IQ (X) 125 POWER DERATING PHASE RESPONSE NORMALIZED QUIES. CURRENT 1.8 INTERNAL POWER DISSIPATION 100 75 50 25 0 135 1.6 PHASE, () 180 CC = 220pF CC = 100pF CC = 47pF CC = 10pF 1.4 225 1.2 0 25 50 75 100 125 CASE TEMPERATURE, TC (C) 270 100k 1M 10M FREQUENCY F (Hz) 1.0 25 75 125 50 100 CASE TEMPERATURE, TC (C) SMALL SIGNAL RESPONSE 50 OP FROM SUPPLY, VS - VO (V) 9 OUTPUT VOLTAGE SWING 400 POWER RESPONSE UT VOLTAGE, VO (VP-P) N LOOP GAIN, A (dB) 40 30 20 10 CC = 220pF CC = 100pF CC = 47pF CC = 10pF 8 PA93U 100 7 CC = 10pF CC = 47pF 3 75 50 25 180 CC = 220pF CC = 100pF CC = 47pF CC = 10pF (R) NORMALIZED QUIESCENT CUR INTERNAL POWER DISS PHASE, () 1.4 225 1.2 PA93 0 0 25 50 75 100 125 CASE TEMPERATURE, TC (C) Product Innovation From 270 100k 1M 10M FREQUENCY F (Hz) 1.0 25 75 125 50 100 CASE TEMPERATURE, TC (C) SMALL SIGNAL RESPONSE 50 VOLTAGE DROP FROM SUPPLY, VS - VO (V) 9 OUTPUT VOLTAGE SWING 400 POWER RESPONSE OUTPUT VOLTAGE, VO (VP-P) OPEN LOOP GAIN, A (dB) 40 30 20 10 0 CC = 220pF CC = 100pF CC = 47pF CC = 10pF 8 100 7 CC = 10pF CC = 47pF CC = 100pF CC = 220pF 6 -10 100K 1M 10M FREQUENCY, F (Hz) 5 0 4 2 6 OUTPUT CURRENT, IO (A) 8 10 1K 10K 100K FREQUENCY, F (Hz) 1M SLEW RATE 60 40 30 .1 HARMONIC DISTORTION PO = 1W PO = 20W PO = 62W INPUT NOISE VOLTAGE INPUT NOISE VOLTAGE, VN (nVHz) 20 15 10 7 5 SLEW RATE, (V/S) 10 8 6 4 3 2 1 10 20 30 40 60 100 200 300 EXT. COMPENSATION CAPACITOR, CC (pF) DISTORTION, (%) 20 .01 3 2 10 .001 100 1K FREQUENCY, F (Hz) 10K 100 1K 10K FREQUENCY, F (Hz) 100K CURRENT LIMIT 8 CURRENT LIMIT, ILIM (A) 6 PHASE COMPENSATION GAIN CC* RC 1 220pF 100 2 100pF 100 4 47pF 0 17 10pF 0 *CC Nevertobe<10pF.CCtoberatedforthefullsupply voltage+VSto-VS.UseceramicNPO(COG)type. 0 .1 .4 .2 .3 .5 .6 RESISTOR VALUE, RCL () 4 2 0 GENERAL PleasereadApplicationNote1"GeneralOperatingConsiderations"whichcoversstability,supplies,heatsinking, mounting,currentlimit,SOAinterpretation,andspecificationinterpretation.Visitwww.Cirrus.comfordesigntools thathelpautomatetaskssuchascalculationsforstability,internalpowerdissipation,currentlimit;heatsinkselection;ApexPrecisionPower'scompleteApplicationNoteslibrary;TechnicalSeminarWorkbook;andEvaluationKits. CURRENT LIMIT Forproperoperation,thecurrentlimitresistor(RCL)mustbeconnectedasshownintheexternalconnectiondiagram.Foroptimumreliabilitytheresistorvalueshouldbesetashighaspossible.Thevalueiscalculatedasfollows; withthemaximumpracticalvalueof16ohms. 4 .65 RCL= ILIM PA93U (R) Product Innovation From PA93 SOA DC, TC = 25C SAFE OPERATING AREA (SOA) OUTPUT CURRENT FROM +VS OR -VS, (A) TheMOSFEToutputstageofthispoweroperationalamplifierhastwodistinctlimitations: 1. ThecurrenthandlingcapabilityoftheMOSFETgeometryandthewirebonds. 2. ThejunctiontemperatureoftheoutputMOSFETs. NOTE: The output stage is protected against transient flyback.However,forprotectionagainstsustained,high energyflyback,externalfast-recoverydiodesshouldbe used. 20 10 8 6 4 3 2 200mS 10 0m DC S SAFE OPERATING CURVES 1 .8 .6 .4 .3 .2 .1 .08 .06 10 ,T DC C ,T =8 5C C Thesafeoperatingareacurvesdefinethemaximumadditionalinternalpowerdissipationtheamplifiercantolerate when it produces the necessary output to drive an externalload. =1 25 C INPUT PROTECTION 20 30 40 60 80 100 200 300 500 AlthoughthePA93canwithstanddifferentialvoltagesup to20V,additionalexternalprotectionisrecommended. SUPPLY TO OUTPUT DIFFERENTIAL, VS - VO (V) Low leakage, low capacitance JFETs connected as diodesarerecommended(e.g.2N4416,Q1-Q4inFigure2).Thedifferen+VS tialinputvoltagewillbeclampedto1.4V.Thisissufficientoverdriveto Z1 producemaximumpowerbandwidth. POWER SUPPLY PROTECTION -IN 1 11, 12 Q1 Q3 Unidirectional zener diode transient suppressors are recommended as 6 PA93 protectiononthesupplypins.SeeFigure2.Thezenersclamptransients Q2 Q4 tovoltageswithinthepowersupplyratingandalsoclamppowersupply +IN 7, 8 2 reversals to ground. Whether the zeners are used or not, the system power supply should be evaluated for transient performance including Z2 FIGURE 2. power-onovershootandpower-offpolarityreversalsaswellaslineregu- OVERVOLTAGE -VS PROTECTION lation. Conditionswhichcancauseopencircuitsorpolarityreversalsoneither powersupplyrailshouldbeavoidedorprotectedagainst.Reversalsoropensonthenegativesupplyrailisknown toinduceinputstagefailure.Unidirectionaltranszorbspreventthis,anditisdesirablethattheybebothelectrically andphysicallyasclosetotheamplifieraspossible. STABILITY ThePA93isexternallycompensatedandperformancecanbetailoredtotheapplication.Usethegraphsofsmall signalresponseandpowerresponseasaguide.ThecompensationcapacitorCCmustberatedat500Vworking voltage.AnNPOcapacitorisrecommended.ThecompensationnetworkCCRCmustbemountedcloselytotheamplifierpins4and5toavoidspuriousoscillation. QUIESCENT CURRENT REDUCTION Whenpin3(IQ)isshortedtopin5(CC2)theABbiasingoftheoutputstageisdisabled.Thislowersquiescentpower butalsoraisesdistortionsincetheoutputstageisthenclassCbiased.Theoutputstagebiascurrentisnominally setat1mA.Pin3maybeleftopenifnotused. PA93U 5 PA93 (R) Product Innovation From CONTACTING CIRRUS LOGIC SUPPORT ForallApexPrecisionPowerproductquestionsandinquiries,calltollfree800-546-2739inNorthAmerica. Forinquiriesviaemail,pleasecontactapex.support@cirrus.com. InternationalcustomerscanalsorequestsupportbycontactingtheirlocalCirrusLogicSalesRepresentative. Tofindtheonenearesttoyou,gotowww.cirrus.com IMPORTANTNOTICE CirrusLogic,Inc.anditssubsidiaries("Cirrus")believethattheinformationcontainedinthisdocumentisaccurateandreliable.However,theinformationissubject tochangewithoutnoticeandisprovided"ASIS"withoutwarrantyofanykind(expressorimplied).Customersareadvisedtoobtainthelatestversionofrelevant informationtoverify,beforeplacingorders,thatinformationbeingreliedoniscurrentandcomplete.Allproductsaresoldsubjecttothetermsandconditionsofsale suppliedatthetimeoforderacknowledgment,includingthosepertainingtowarranty,indemnification,andlimitationofliability.NoresponsibilityisassumedbyCirrus fortheuseofthisinformation,includinguseofthisinformationasthebasisformanufactureorsaleofanyitems,orforinfringementofpatentsorotherrightsofthird parties.ThisdocumentisthepropertyofCirrusandbyfurnishingthisinformation,Cirrusgrantsnolicense,expressorimpliedunderanypatents,maskworkrights, copyrights,trademarks,tradesecretsorotherintellectualpropertyrights.CirrusownsthecopyrightsassociatedwiththeinformationcontainedhereinandgivesconsentforcopiestobemadeoftheinformationonlyforusewithinyourorganizationwithrespecttoCirrusintegratedcircuitsorotherproductsofCirrus.Thisconsent doesnotextendtoothercopyingsuchascopyingforgeneraldistribution,advertisingorpromotionalpurposes,orforcreatinganyworkforresale. CERTAINAPPLICATIONSUSINGSEMICONDUCTORPRODUCTSMAYINVOLVEPOTENTIALRISKSOFDEATH,PERSONALINJURY,ORSEVEREPROPERTYORENVIRONMENTALDAMAGE("CRITICALAPPLICATIONS").CIRRUSPRODUCTSARENOTDESIGNED,AUTHORIZEDORWARRANTEDTOBE SUITABLEFORUSEINPRODUCTSSURGICALLYIMPLANTEDINTOTHEBODY,AUTOMOTIVESAFETYORSECURITYDEVICES,LIFESUPPORTPRODUCTSOROTHERCRITICALAPPLICATIONS.INCLUSIONOFCIRRUSPRODUCTSINSUCHAPPLICATIONSISUNDERSTOODTOBEFULLYATTHECUSTOMER'SRISKANDCIRRUSDISCLAIMSANDMAKESNOWARRANTY,EXPRESS,STATUTORYORIMPLIED,INCLUDINGTHEIMPLIEDWARRANTIESOF MERCHANTABILITYANDFITNESSFORPARTICULARPURPOSE,WITHREGARDTOANYCIRRUSPRODUCTTHATISUSEDINSUCHAMANNER.IFTHE CUSTOMERORCUSTOMER'SCUSTOMERUSESORPERMITSTHEUSEOFCIRRUSPRODUCTSINCRITICALAPPLICATIONS,CUSTOMERAGREES, BYSUCHUSE,TOFULLYINDEMNIFYCIRRUS,ITSOFFICERS,DIRECTORS,EMPLOYEES,DISTRIBUTORSANDOTHERAGENTSFROMANYANDALL LIABILITY,INCLUDINGATTORNEYS'FEESANDCOSTS,THATMAYRESULTFROMORARISEINCONNECTIONWITHTHESEUSES. CirrusLogic,Cirrus,andtheCirrusLogiclogodesigns,ApexPrecisionPower,ApexandtheApexPrecisionPowerlogodesignsaretrademarksofCirrusLogic,Inc. Allotherbrandandproductnamesinthisdocumentmaybetrademarksorservicemarksoftheirrespectiveowners. 6 PA93U |
Price & Availability of PA9310
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |