PARAMETER
OFFSETVOLTAGE
TESTCONDITIONS(1)MINTYP(2)MAXUNIT
LM258
VOS
Inputoffsetvoltage
VS=5Vto30V;VCM=0V;VO=1.4V
LM258ALM258LM258A
VS=5Vto30Vf=1kHzto20kHz
3
TA=–25°Cto85°C
2
TA=–25°Cto85°CTA=–25°Cto85°C
65
77100120
5734
μV/°CdBdBmV
dVOS/dTPSRRVO1/VO2
Inputoffsetvoltagedrift
Inputoffsetvoltagevspowersupply(ΔVIO/ΔVS)Channelseparation
15
INPUTVOLTAGERANGE
VS=5Vto30V
VCM
Common-modevoltagerange
VS=30VVS=5Vto30VVS=30V
CMRR
Common-moderejectionratio
VS=5Vto30V;VCM=0V
LM258LM258ALM258LM258A
TA=–25°Cto85°C
(V–)
(V+)–1.5
V
(V–)70
80
(V+)–2
dB
INPUTBIASCURRENT
LM258
IB
Inputbiascurrent
VO=1.4V
LM258A
–20
TA=–25°Cto85°C
–15
TA=–25°Cto85°C
2
TA=–25°Cto85°C
2
TA=–25°Cto85°C
10
LM258A
TA=–25°Cto85°C
200–150–300–80–100301001530
pA/°CnAnA
LM258
IOS
Inputoffsetcurrent
VO=1.4V
LM258A
dIOS/dTNOISEen
Inputoffsetcurrentdrift
Inputvoltagenoisedensityf=1kHz40nV/√HzOPEN-LOOPGAINAOL
Open-loopvoltagegain
VS=15V;VO=1Vto11V;RL≥2kΩ
50
TA=–25°Cto85°C
25
100
V/mV
FREQUENCYRESPONSEGBWSROUTPUT
VS=30V;RL=2kΩ
VO
Voltageoutputswingfromrail
Positiverail
VS=30V;RL≥10kΩVS=5V;RL≥2kΩ
Negativerail
VS=5V;RL≤10kΩ
TA=–25°Cto85°C
–20
VS=15V;VO=0V;VID=1V
IO
Outputcurrent
VS=15V;VO=15V;VID=–1V
VID=–1V;VO=200mV
ISC
Short-circuitcurrent
VS=10V;VO=VS/2
SinkSource
LM258A
TA=–25°Cto85°C
–1010
TA=–25°Cto85°C
512
30±40
±60
μAmA
205–30
–60
mA
TA=–25°Cto85°C
2
431.520
mVV
GainbandwidthproductSlewrate
G=+1
0.70.3
MHzV/μs
POWERSUPPLYIQ
Quiescentcurrentperamplifier
VO=2.5V;IO=0A
VS=30V;VO=15V;IO=0A
TA=–25°Cto85°C
350500
6001000
μA
(1)(2)
Allcharacteristicsaremeasuredunderopen-loopconditions,withzerocommon-modeinputvoltage,unlessotherwisespecified.MaximumVSfortestingpurposesis30VforLM258andLM258A.AlltypicalvaluesareTA=25°C.
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LM158,LM158A,LM258,LM258A
LM358,LM358A,LM358B,LM358BA,LM2904,LM2904B,LM2904BA,LM2904V
SLOS068X–JUNE1976–REVISEDJUNE2020
7.12TypicalCharacteristics
TypicalcharacteristicssectionisapplicableforLM158,LM158A,LM258,LM258A,LM358,LM358A,LM2904,andLM2904V.
20181614121086420–55–35–155452565Temperature(°C)851051255Vdc15Vdc30VdcSupplyCurrent (mA)InputCurrent(nAdc)0.360.340.320.30.280.260.240.220.205101520SupplyVoltage (Vdc)2530–55C0C125CFigure39.InputCurrentvsTemperature160140AvolVoltageGain(dB)120CMRR (dB) 100Figure40.SupplyCurrentvsSupplyVoltage9080706050403020100CMRRRL=20KRL=2K100806040200051015202530V+SupplyVoltage(Vdc)35400.1110Frequency (kHz) 1001000C001 Figure41.VoltageGainvsSupplyVoltage3.53.02.5Voltage (V) 2.01.51.00.50.00481216202428323640C001 Figure42.Common-ModeRejectionRatiovsFrequency0.50VOUT0.450.400.350.300.25VOUT0.200246Time (??s) 810C001 Time (??s) Voltage (V) Figure43.VoltageFollowerLargeSignalResponse(50pF)Figure44.VoltageFollowerSmallSignalResponse(50pF)SubmitDocumentationFeedback
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LM2904BALM2904V
LM158,LM158A,LM258,LM258A
LM358,LM358A,LM358B,LM358BA,LM2904,LM2904B,LM2904BA,LM2904V
SLOS068X–JUNE1976–REVISEDJUNE2020
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LM158,LM158A,LM258,LM258A
LM358,LM358A,LM358B,LM358BA,LM2904,LM2904B,LM2904BA,LM2904V
SLOS068X–JUNE1976–REVISEDJUNE2020
9DetailedDescription
9.1Overview
Thesedevicesconsistoftwoindependent,high-gainfrequency-compensatedoperationalamplifiersdesignedtooperatefromasinglesupplyoverawiderangeofvoltages.OperationfromsplitsuppliesalsoispossibleifthedifferencebetweenthetwosuppliesiswithinthesupplyvoltagerangespecifiedintheRecommendedOperatingConditionssection,andVSisatleast1.5Vmorepositivethantheinputcommon-modevoltage.Thelowsupply-currentdrainisindependentofthemagnitudeofthesupplyvoltage.
Applicationsincludetransduceramplifiers,dcamplificationblocks,andalltheconventionaloperationalamplifiercircuitsthatnowcanbeimplementedmoreeasilyinsingle-supply-voltagesystems.Forexample,thesedevicescanbeoperateddirectlyfromthestandard5-Vsupplyusedindigitalsystemsandeasilycanprovidetherequiredinterfaceelectronicswithoutadditional±5-Vsupplies.
9.2FunctionalBlockDiagram-LM358B,LM358BA,LM2904B,LM2904BA
VCC+
~6 μA CurrentRegulator~6 μA Current Regulator~100 μA Current RegulatorIN-OUT
IN+
~120 μA Current RegulatorSubmitDocumentationFeedback
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LM158,LM158A,LM258,LM258A
LM358,LM358A,LM358B,LM358BA,LM2904,LM2904B,LM2904BA,LM2904V
SLOS068X–JUNE1976–REVISEDJUNE2020
10ApplicationandImplementation
NOTE
InformationinthefollowingapplicationssectionsisnotpartoftheTIcomponentspecification,andTIdoesnotwarrantitsaccuracyorcompleteness.TI’scustomersareresponsiblefordeterminingsuitabilityofcomponentsfortheirpurposes.Customersshouldvalidateandtesttheirdesignimplementationtoconfirmsystemfunctionality.
10.1ApplicationInformation
TheLMx58andLM2904operationalamplifiersareusefulinawiderangeofsignalconditioningapplications.InputscanbepoweredbeforeVSforflexibilityinmultiplesupplycircuits.
10.2TypicalApplication
Atypicalapplicationforanoperationalamplifierisaninvertingamplifier.Thisamplifiertakesapositivevoltageontheinput,andmakesitanegativevoltageofthesamemagnitude.Inthesamemanner,italsomakesnegativevoltagespositive.
RF
RIVsup+VOUT
VIN
+Vsup-Figure52.ApplicationSchematic
10.2.1DesignRequirements
Thesupplyvoltagemustbechosensuchthatitislargerthantheinputvoltagerangeandoutputrange.Forinstance,thisapplicationscalesasignalof±0.5Vto±1.8V.Settingthesupplyat±12Vissufficienttoaccommodatethisapplication.10.2.2DetailedDesignProcedure
DeterminethegainrequiredbytheinvertingamplifierusingEquation1andEquation2:
VOUTAVVIN1.8AV??3.6??0.5(1)(2)
Oncethedesiredgainisdetermined,chooseavalueforRIorRF.[Subscriptsshouldbefixedintheaccompanyingfiguresandequationsalso.]Choosingavalueinthekilohmrangeisdesirablebecausetheamplifiercircuitusescurrentsinthemilliampererange.Thisensuresthepartdoesnotdrawtoomuchcurrent.Thisexampleuses10kΩforRIwhichmeans36kΩisusedforRF.ThiswasdeterminedbyEquation3.
RFAV??(3)RISubmitDocumentationFeedback
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MEMORY存储芯片LM358DR-2中文规格书 - 图文
