ebook img

LMP8350 Ultra-Low Distortion Fully-Differential Precision ADC Driver With Select PDF

36 Pages·2015·0.99 MB·English
by  
Save to my drive
Quick download
Download
Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.

Preview LMP8350 Ultra-Low Distortion Fully-Differential Precision ADC Driver With Select

Product Sample & Technical Tools & Support & Folder Buy Documents Software Community LMP8350 SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 LMP8350 Ultra-Low Distortion Fully-Differential Precision ADC Driver With Selectable Power Modes 1 Features 3 Description • DifferentialInputandOutput The LMP8350 device is an ultra low distortion fully- 1 differential amplifier designed for driving high- • Tri-LevelPowerSettingswithShutdown performance precision analog-to-digital converters • UltraLowHD2/HD3andTHD+NDistortion (ADC). As part of the PowerWise™ family, a unique • AdjustableOutputCommon-ModeLevel modeenablepinallowstheusertochoosefromthree different operating modes, trading power • Fully-BalancedDifferentialArchitecture consumptionfor dynamicperformance. • Single-orDual-SupplyOperation The high power mode is optimized for highest AC • OperatingVoltageRange4.5Vto12V performance. The low noise, wide bandwidth, and • SupplyCurrent3mAto13mA fast slew rate make the LMP8350 ideal for driving 24- • TotalTHD+Nat1KHz0.000097% bit ADCs with input sampling rates of 10 MHz or less. The medium power mode is optimized for precision • HD2/HD3Distortionat1KHz <–124dBc DC performance, and can be used to drive 24-bit • Bandwidth118mHz ADCs with input sampling rates of 6 MHz or less. The • Settlingto0.1%20ns low power mode is a trade-off between AC • LowOffsetDrift0.4 µV/°C performance and quiescent current for power- sensitive applications. The disable mode fully shuts • OffsetVoltage80 µV downtheamplifierfor furtherstandbypowersavings. • VoltageNoise4.6nV/Hz The fully differential architecture of this device allows • OperatingTemperatureRange −40°Cto+85°C for easy implementation of a single-ended to fully- differential output conversion. Driving a 3-Vpp, 1-kHz 2 Applications output sine wave with the amplifier powered by ±3.3- • High-ResolutionDifferentialADCDrivers V rails in high power mode yields 0.000098% THD+N. • PortableInstrumentation • PrecisionLineDrivers The LMP8350 is part of the LMP™ precision amplifier family, and is offered in the 8-pin SOIC package, with anoperatingtemperaturerangeof −40°Cto +85°C. DeviceInformation(1) PARTNUMBER PACKAGE BODYSIZE(NOM) LMP8350 SOIC(8) 3.91mm×4.90mm (1) For all available packages, see the orderable addendum at theendofthedatasheet. Typical Application +VREF +V +V +V R F1 RG1 RO1 VREFP VA VIO CS VINN - + + VINP SCLK VOCM LMP8350 CS 24 Bit A/D SDI RO2 SDO Micro- VINP + - - VINN Controller RG2 VREFN AGND DGND R F2 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA. LMP8350 SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 www.ti.com Table of Contents 1 Features.................................................................. 1 7.4 DeviceFunctionalModes........................................20 2 Applications........................................................... 1 8 ApplicationandImplementation........................ 22 3 Description............................................................. 1 8.1 ApplicationInformation............................................22 4 RevisionHistory..................................................... 2 8.2 TypicalApplication .................................................25 5 PinConfigurationandFunctions......................... 3 9 PowerSupplyRecommendations...................... 27 9.1 PowerSupplyandV Bypassing.......................27 6 Specifications......................................................... 3 OCM 10 Layout................................................................... 28 6.1 AbsoluteMaximumRatings......................................3 6.2 ESDRatings..............................................................4 10.1 LayoutGuidelines.................................................28 6.3 RecommendedOperatingConditions.......................4 10.2 LayoutExample....................................................28 6.4 ThermalInformation..................................................4 10.3 PowerDissipation.................................................29 6.5 10-VElectricalCharacteristics..................................5 10.4 EvaluationBoard...................................................29 6.6 6.6-VElectricalCharacteristics.................................8 11 DeviceandDocumentationSupport................. 30 6.7 5-VElectricalCharacteristics..................................11 11.1 DocumentationSupport .......................................30 6.8 TypicalCharacteristics............................................14 11.2 CommunityResources..........................................30 7 DetailedDescription............................................ 19 11.3 Trademarks...........................................................30 7.1 Overview.................................................................19 11.4 ElectrostaticDischargeCaution............................30 7.2 FunctionalBlockDiagram.......................................19 11.5 Glossary................................................................30 7.3 FeatureDescription.................................................19 12 Mechanical,Packaging,andOrderable Information........................................................... 30 4 Revision History NOTE:Pagenumbersforpreviousrevisionsmaydifferfrompagenumbersinthecurrentversion. ChangesfromRevisionB(March2013)toRevisionC Page • AddedESDRatingstable,FeatureDescriptionsection,DeviceFunctionalModes,ApplicationandImplementation section,PowerSupplyRecommendationssection,Layoutsection,DeviceandDocumentationSupportsection,and Mechanical,Packaging,andOrderableInformationsection. ................................................................................................ 1 ChangesfromRevisionA(March2013)toRevisionB Page • ChangedlayoutofNationalDataSheettoTIformat........................................................................................................... 29 2 SubmitDocumentationFeedback Copyright©2011–2015,TexasInstrumentsIncorporated ProductFolderLinks:LMP8350 LMP8350 www.ti.com SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 5 Pin Configuration and Functions DPackage 8-PinSOIC TopView 1 8 -IN +IN - + 2 7 VOCM EN 3 6 V+ V- 4 5 +OUT -OUT PinFunctions PIN I/O DESCRIPTION NO. NAME 1 –IN I InvertingInput Outputcommon-modevoltagesetinput.Setsoutputcommonmodevoltageequaltothe 2 V I OCM appliedV pinvoltage. OCM 3 V+ I Positivepowersupplyvoltage 4 +OUT O Noninvertingoutput 5 –OUT O Invertingoutput 6 V– I Negativepowersupplyvoltage 7 EN I Enableandpowerselectinput.Appliedvoltagesetspowerlevelorshutdownmode. 8 +IN I NoninvertingInput 6 Specifications 6.1 Absolute Maximum Ratings(1)(2)(3) MIN MAX UNIT Outputshortcircuitduration See (4) V+relativetoV– –0.3 12.9 V IN+,IN–,OUT,ENandV pins (V+)+0.3 (V–)–0.3 V OCM Inputcurrent 1 mA Junctiontemperature(5) 150 °C Storagetemperature,T −65 150 °C stg (1) StressesbeyondthoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamagetothedevice.Thesearestressratings only,whichdonotimplyfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderRecommended OperatingConditions.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability. (2) IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheTISalesOffice/Distributorsforavailabilityandspecifications. (3) Forsolderingspecifications:SNOA549 (4) Theshortcircuittestisamomentarytestwhichappliestobothsingle-supplyandsplit-supplyoperation.Continuousshortcircuit operationatelevatedambienttemperaturecanexceedthemaximumallowablejunctiontemperatureof150°C.Positivenumber(+)is sourcing,negativenumber(–)issinking. (5) ThemaximumpowerdissipationisafunctionofT ,θ .Themaximumallowablepowerdissipationatanyambienttemperatureis J(MAX) JA P =(T –T )/θ .AllnumbersapplyforpackagessoldereddirectlyontoaPCBoard. D J(MAX) A JA Copyright©2011–2015,TexasInstrumentsIncorporated SubmitDocumentationFeedback 3 ProductFolderLinks:LMP8350 LMP8350 SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 www.ti.com 6.2 ESD Ratings VALUE UNIT Humanbodymodel(HBM),perANSI/ESDA/JEDECJS-001(1)(2) ±2500 V Electrostatic Charged-devicemodel(CDM),perJEDECspecificationJESD22-C101(3) ±1250 V (ESD) discharge MachineModel ±200 (1) JEDECdocumentJEP155statesthat500-VHBMallowssafemanufacturingwithastandardESDcontrolprocess.Manufacturingwith lessthan500-VHBMispossiblewiththenecessaryprecautions. (2) HumanBodyModel,applicablestd.MIL-STD-883,Method3015.7.MachineModel,applicablestd.JESD22-A115-A(ESDMMstd.of JEDEC).Field-InducedCharge-DeviceModel,applicablestd.JESD22-C101-C(ESDFICDMstd.ofJEDEC). (3) JEDECdocumentJEP157statesthat250-VCDMallowssafemanufacturingwithastandardESDcontrolprocess. 6.3 Recommended Operating Conditions See (1) MIN MAX UNIT Temperaturerange(T ) –40 85 °C A Supplyvoltage(V =V+–V–) 4.5 12 V S (1) AbsoluteMaximumRatingsindicatelimitsbeyondwhichdamagetothedevicemayoccur.OperatingRatingsindicateconditionsfor whichthedeviceisintendedtobefunctional,butspecificperformanceisnotensured.Forensuredspecificationsandthetest conditions,seetheElectricalCharacteristicsTables. 6.4 Thermal Information LMP8350 THERMALMETRIC(1) D(SOIC) UNIT 8PINS R Junction-to-ambientthermalresistance (2) 150 °C/W θJA (1) Formoreinformationabouttraditionalandnewthermalmetrics,seetheSemiconductorandICPackageThermalMetricsapplication report,SPRA953. (2) ThemaximumpowerdissipationisafunctionofT ,θ .Themaximumallowablepowerdissipationatanyambienttemperatureis J(MAX) JA P =(T –T )/θ .AllnumbersapplyforpackagessoldereddirectlyontoaPCBoard. D J(MAX) A JA 4 SubmitDocumentationFeedback Copyright©2011–2015,TexasInstrumentsIncorporated ProductFolderLinks:LMP8350 LMP8350 www.ti.com SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 6.5 10-V Electrical Characteristics Unlessotherwisespecified,alllimitsareensuredforT =25°C,Avcl=+1,R =R =1kΩ,Fullydifferentialinput,V =+10 A F G S V,R =2kΩ//20pFdifferentially,InputCMRandV =mid-supplyandHPmodeunlessotherwisenoted.(1) L OCM PARAMETER TESTCONDITIONS(2) MIN(3) TYP(4) MAX(3) UNIT 10-VDCCHARACTERISTICS TA=25°C ±0.6 ±4 Highpower Atthetemperatureextremes ±4.05 Inputoffsetvoltage TA=25°C ±0.08 ±2 VOS (RTI) Midpower Atthetemperatureextremes ±2.03 mV TA=25°C ±0.1 ±2.5 Lowpower Atthetemperatureextremes ±2.52 Highpower ±0.8 TCVOS Inputoffsetvoltagevs.temperature(5) Midpower ±0.5 μV/°C Lowpower ±0.4 TA=25°C 2 Highpower Atthetemperatureextremes 2.1 TA=25°C 2.7 IB Inputbiascurrent Midpower μA Atthetemperatureextremes 3.2 TA=25°C 3.5 Lowpower Atthetemperatureextremes 3.7 Highpower 65 90 AVOL Open-loopgain Midpower 72 130 dB Lowpower 74 114 HPatCMRR≥73dB 1.2 8.8 CMVR Common-modevoltagerange(6) MPatCMRR≥83dB 1.2 8.8 V LPatCMRR≥77dB 1.2 8.8 DC,VOCM=0,VID=0,ΔVcm=±0.2V,Highpower 75 90 CMRR Common-moderejectionratio Mediumpower 84 130 dB Lowpower 79 114 ZIND Differentialinputresistance VCM=mid-supply 0.48 MΩ CIND Differentialinputcapacitance VCM=mid-supply 1 pF LowSwing 0.86 0.75 9.14 Highpower HighSwing 0.86 9.25 9.14 Outputswing LowSwing 0.85 0.74 9.15 VO (single-ended) Midpower HighSwing 0.85 9.26 9.15 V LowSwing 0.86 0.81 9.14 Lowpower HighSwing 0.86 9.19 9.14 (1) ElectricalTablevaluesapplyonlyforfactorytestingconditionsatthetemperatureindicated.Factorytestingconditionsresultinvery limitedself-heatingofthedevicesuchthatT =T .Noensuredspecificationofparametricperformanceisindicatedintheelectrical J A tablesunderconditionsofinternalself-heatingwhereT >T J A (2) Forannotationbrevity,“HP”=HighPower,“MP”=MediumPower,“LP”=LowPower,“DIS”=Disabledorshutdown,“SE”=SingleEnded Mode,“DM”=DifferentialMode.SeeTable1inApplicationssectionforpowersettingdetails.ItisalsoassumedR =R =R G G1 G2 (3) Limitsare100%productiontestedat25°C.Limitsovertheoperatingtemperaturerangeareensuredthroughcorrelationsusingthe StatisticalQualityControl(SQC)method. (4) Typicalvaluesrepresentthemostlikelyparametricnormasdeterminedatthetimeofcharacterization.Actualtypicalvaluesmayvary overtimeandwillalsodependontheapplicationandconfiguration.Thetypicalvaluesarenottestedandarenotensuredonshipped productionmaterial. (5) DriftDeterminedbydividingthechangeinparameterattemperatureextremesbythetotaltemperaturechange.Valueistheworstcase ofTa to25°Cand25°CtoTa . MIN MAX (6) Atamplifierinputs. Copyright©2011–2015,TexasInstrumentsIncorporated SubmitDocumentationFeedback 5 ProductFolderLinks:LMP8350 LMP8350 SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 www.ti.com 10-V Electrical Characteristics (continued) Unlessotherwisespecified,alllimitsareensuredforT =25°C,Avcl=+1,R =R =1kΩ,Fullydifferentialinput,V =+10 A F G S V,R =2kΩ//20pFdifferentially,InputCMRandV =mid-supplyandHPmodeunlessotherwisenoted.(1) L OCM PARAMETER TESTCONDITIONS(2) MIN(3) TYP(4) MAX(3) UNIT Outputshortedtomid- LowSwing –36 -65 supply(7) Highpower HighSwing 75 108 LowSwing -26 -48 ISHORT Short-circuitcurrent Mediumpower mA HighSwing 60 85 LowSwing -6 -20 Lowpower HighSwing 15 36 Highpower 107 Powersupplyrejectionratio PSRR Midpower 118 dB VS±10% Lowpower 124 VEN=8.75(8) TA=25°C 15 18 Atthetemperatureextremes 20 IS Supplycurrent VEN=6.25(8) TA=25°C 8 10 mA Atthetemperatureextremes 11 VEN=3.75(8) TA=25°C 3 4 Atthetemperatureextremes 5 Disablevoltagethreshold(8) <1.65 V TA=25°C 0.75 0.9 PD Power-downmode Shutdowncurrent mA Atthetemperatureextremes 0.95 Enablepincurrent 100 μA Highpower 15 ten Enabletime Midpower 20 ns Lowpower 40 10-VACCHARACTERISTICS Highpower 118 Smallsignalbandwidth SSBW Midpower 87 MHz 200mVp-pdifferential Lowpower 31 Highpower 507 Slewrate SR 2Vp-pdifferential(9) Midpower 393 V/μs Lowpower 178 Highpower 3 Risetime trise 2Vp-pdifferential Midpower 3.9 ns Lowpower 9.7 Highpower 2.8 Falltime tfall 2Vp-pdifferential Midpower 3.8 ns Lowpower 9.6 2-Vstep,CL=20pF 20 Highpower 0.1%settlingtime ts 2Vp-p Midpower 25 ns Lowpower 38 Highpower 4.6 Inputreferredvoltagenoise en at10KHz Midpower 4.8 nV/√Hz Lowpower 8 (7) Theshortcircuittestisamomentarytestwhichappliestobothsingle-supplyandsplit-supplyoperation.Continuousshortcircuit operationatelevatedambienttemperaturecanexceedthemaximumallowablejunctiontemperatureof150°C.Positivenumber(+)is sourcing,negativenumber(–)issinking. (8) EnablevoltageisreferredtoV–(negativesupplyvoltage). (9) SlewRateistheaverageoftherisingandfallingedges. 6 SubmitDocumentationFeedback Copyright©2011–2015,TexasInstrumentsIncorporated ProductFolderLinks:LMP8350 LMP8350 www.ti.com SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 10-V Electrical Characteristics (continued) Unlessotherwisespecified,alllimitsareensuredforT =25°C,Avcl=+1,R =R =1kΩ,Fullydifferentialinput,V =+10 A F G S V,R =2kΩ//20pFdifferentially,InputCMRandV =mid-supplyandHPmodeunlessotherwisenoted.(1) L OCM PARAMETER TESTCONDITIONS(2) MIN(3) TYP(4) MAX(3) UNIT f=10kHz 1.7 Highpower Inputreferredcurrentnoise In at10KHz Midpower 1.1 pA/√Hz Lowpower 0.6 Highpower 0.000097% Totalharmonicdistortion+noise THD+N Midpower 0.000109% 3Vp-pat1KHz Lowpower 0.000185% Highpower –124.7 –116 2ndharmonicdistortion Midpower –122.8 dBc 3Vp-p,1KHz Lowpower –117.2 HD2 Highpower –118.9 2ndharmonicdistortion Midpower –117.6 dBc 6Vp-p,1KHz Lowpower –114.7 Highpower –139.9 –126 3rdharmonicdistortion Midpower –141.9 dBc 3Vp-p,1KHz Lowpower –133.3 HD3 Highpower –129.5 3rdharmonicdistortion Midpower –132.4 dBc 6Vp-p,1KHz Lowpower –129.4 10-VVOCMINPUTCHARACTERISTICS Highpower 4.8 VOCMsmallsignalbandwidth Midpower 2.4 MHz 200mVp-p Lowpower 0.64 VOCMgain 1 V/V Highpower ±1.62 VOCMoffsetvoltage Midpower ±0.23 mV Lowpower ±0.43 LowSwing 1.8 VOCMvoltagerange Allpowerlevels V HighSwing 8.2 LowSwing 30 VOCMinputresistance Allpowerlevels KΩ HighSwing mid-supply Copyright©2011–2015,TexasInstrumentsIncorporated SubmitDocumentationFeedback 7 ProductFolderLinks:LMP8350 LMP8350 SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 www.ti.com 6.6 6.6-V Electrical Characteristics Unlessotherwisespecified,alllimitsareensuredforT =25°C,Avcl=+1,R =R =1kΩ,Fullydifferentialinput,V =+6.6 A F G S V,R =2kΩ//20pFdifferentially,InputCMRandV =mid-supplyandHPmodeunlessotherwisenoted.(1) L OCM PARAMETER TESTCONDITIONS(2) MIN(3) TYP(4) MAX(3) UNIT 6.6-VDCCHARACTERISTICS T =25°C ±0.3 ±3.5 A Highpower Atthetemperatureextremes ±3.54 Inputoffsetvoltage TA=25°C ±0.1 ±2.8 V Midpower mV OS (RTI) Atthetemperatureextremes ±2.83 T =25°C ±0.1 ±2.5 A Lowpower Atthetemperatureextremes ±2.52 Highpower ±0.7 TCV Inputoffsetvoltage O vs.temperature(5) Midpower ±0.5 μV/°C S Lowpower ±0.4 T =25°C 1.4 A Highpower Atthetemperatureextremes 2.4 T =25°C 2.5 A I Inputbiascurrent Midpower μA B Atthetemperatureextremes 3.0 T =25°C 3.5 A Lowpower Atthetemperatureextremes 3.7 Highpower 65 70 A Open-loopgain Midpower 73 76 dB VOL Lowpower 72 75 HPatCMRR≥68dB 1.2 5.4 CMVR Common-modevoltagerange(6) MPatCMRR≥63dB 1.2 5.4 V LPatCMRR≥79dB 1.2 5.4 DC,V =0,VID=0, OCM ΔVcm=±0.2V 70 85 Highpower CMRR Common-moderejectionratio dB Midpower 86 117 Lowpower 81 113 Z Differentialinputresistance V =mid-supply 0.48 MΩ IND CM C Differentialinputcapacitance V =mid-supply 1 pF IND CM LowSwing 0.84 0.77 5.76 Highpower HighSwing 0.84 5.83 5.76 Outputswing LowSwing 0.82 0.75 5.78 V Midpower V O (single-ended) HighSwing 0.82 5.83 5.78 LowSwing 0.83 0.77 5.77 Lowpower HighSwing 0.83 5.83 5.77 (1) ElectricalTablevaluesapplyonlyforfactorytestingconditionsatthetemperatureindicated.Factorytestingconditionsresultinvery limitedself-heatingofthedevicesuchthatT =T .Noensuredspecificationofparametricperformanceisindicatedintheelectrical J A tablesunderconditionsofinternalself-heatingwhereT >T J A (2) Forannotationbrevity,“HP”=HighPower,“MP”=MediumPower,“LP”=LowPower,“DIS”=Disabledorshutdown,“SE”=SingleEnded Mode,“DM”=DifferentialMode.SeeTable1inApplicationssectionforpowersettingdetails.ItisalsoassumedR =R =R G G1 G2 (3) Limitsare100%productiontestedat25°C.Limitsovertheoperatingtemperaturerangeareensuredthroughcorrelationsusingthe StatisticalQualityControl(SQC)method. (4) Typicalvaluesrepresentthemostlikelyparametricnormasdeterminedatthetimeofcharacterization.Actualtypicalvaluesmayvary overtimeandwillalsodependontheapplicationandconfiguration.Thetypicalvaluesarenottestedandarenotensuredonshipped productionmaterial. (5) DriftDeterminedbydividingthechangeinparameterattemperatureextremesbythetotaltemperaturechange.Valueistheworstcase ofTa to25°Cand25°CtoTa . MIN MAX (6) Atamplifierinputs. 8 SubmitDocumentationFeedback Copyright©2011–2015,TexasInstrumentsIncorporated ProductFolderLinks:LMP8350 LMP8350 www.ti.com SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 6.6-V Electrical Characteristics (continued) Unlessotherwisespecified,alllimitsareensuredforT =25°C,Avcl=+1,R =R =1kΩ,Fullydifferentialinput,V =+6.6 A F G S V,R =2kΩ//20pFdifferentially,InputCMRandV =mid-supplyandHPmodeunlessotherwisenoted.(1) L OCM PARAMETER TESTCONDITIONS(2) MIN(3) TYP(4) MAX(3) UNIT Outputshortedto LowSwing –30 –49 mid-supply(7) Highpower HighSwing 54 83 LowSwing –19 –35 ISHORT Short-circuitcurrent Midpower mA HighSwing 40 64 LowSwing –6 –15 Lowpower HighSwing 15 27 Highpower 111 Powersupplyrejectionratio PSRR Midpower 117 dB V ±10% S Lowpower 127 T =25°C 14 16 V =5.775(8) A EN Atthetemperatureextremes 18 T =25°C 7 9 I Supplycurrent V =4.125(8) A mA S EN Atthetemperatureextremes 10 T =25°C 2 3 V =2.475(8) A EN Atthetemperatureextremes 4 Disablevoltagethreshold(8) <1.225 V T =25°C 0.55 0.65 A PD Power-downmode Shutdowncurrent mA Atthetemperatureextremes 0.7 Enablepincurrent 40 μA Highpower 18 t Enabletime Midpower 22 ns en Lowpower 43 6.6-VACCHARACTERISTICS Highpower 116 Smallsignalbandwidth SSBW Midpower 85 MHz 200mVp-pdifferential Lowpower 29 Highpower 488 Slewrate SR 2Vp-pdifferential(9) Midpower 376 V/μs Lowpower 166 Highpower 3.1 Risetime t Midpower 4.2 ns rise 2Vp-pdifferential Lowpower 10.4 Highpower 3.0 Falltime t Midpower 4.0 ns fall 2Vp-pdifferential Lowpower 10.3 2-Vstep,C =20pF L 19 Highpower 0.1%settlingtime t ns s 2Vp-p Midpower 25 Lowpower 43 (7) Theshortcircuittestisamomentarytestwhichappliestobothsingle-supplyandsplit-supplyoperation.Continuousshortcircuit operationatelevatedambienttemperaturecanexceedthemaximumallowablejunctiontemperatureof150°C.Positivenumber(+)is sourcing,negativenumber(–)issinking. (8) EnablevoltageisreferredtoV-(negativesupplyvoltage). (9) SlewRateistheaverageoftherisingandfallingedges. Copyright©2011–2015,TexasInstrumentsIncorporated SubmitDocumentationFeedback 9 ProductFolderLinks:LMP8350 LMP8350 SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015 www.ti.com 6.6-V Electrical Characteristics (continued) Unlessotherwisespecified,alllimitsareensuredforT =25°C,Avcl=+1,R =R =1kΩ,Fullydifferentialinput,V =+6.6 A F G S V,R =2kΩ//20pFdifferentially,InputCMRandV =mid-supplyandHPmodeunlessotherwisenoted.(1) L OCM PARAMETER TESTCONDITIONS(2) MIN(3) TYP(4) MAX(3) UNIT Highpower 4.5 Inputreferredvoltagenoise e Midpower 4.8 nV/√Hz n at10KHz Lowpower 8 Highpower 1.7 Inputreferredcurrentnoise I Midpower 1.2 pA/√Hz n at10KHz Lowpower 0.6 0.000098 Highpower % Totalharmonicdistortion+ THD+ noise Midpower 0.00011% N 3Vp-pat1KHz 0.000089 Lowpower % Highpower –124.7 2ndharmonicdistortion Midpower –122.8 dBc 3Vp-p,1KHz Lowpower –117.2 HD2 Highpower –118.9 2ndharmonicdistortion Midpower –117.6 dBc 6Vp-p,1KHz Lowpower –114.7 Highpower –139.9 3rdharmonicdistortion Midpower -141.9 dBc 3Vp-p,1KHz Lowpower –133.3 HD3 Highpower –121.4 3rdharmonicdistortion Midpower –125.3 dBc 6Vp-p,1KHz Lowpower –124.5 6.6-VV INPUTCHARACTERISTICS OCM Highpower 4.5 V smallsignalbandwidth OCM Midpower 2.2 MHz 200mVp-p Lowpower 0.6 V gain 1 V/V OCM Highpower ±0.97 V offsetvoltage Midpower ±0.43 mV OCM Lowpower ±0.89 LowSwing 1.2 V voltagerange Allpowerlevels V OCM HighSwing 5.4 LowSwing 30 V inputresistance Allpowerlevels KΩ OCM HighSwing mid-supply 10 SubmitDocumentationFeedback Copyright©2011–2015,TexasInstrumentsIncorporated ProductFolderLinks:LMP8350

Description:
LMP8350 Ultra-Low Distortion Fully-Differential Precision ADC Driver With The LMP8350 device is an ultra low distortion fully- .. Output swing. VO.
See more

The list of books you might like

Most books are stored in the elastic cloud where traffic is expensive. For this reason, we have a limit on daily download.