常用运放电路集锦
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Op
Amp
Circuit
Collection
AN-31
NationalSemiconductor
ApplicationNote31
February1978OpAmpCircuitCollection
SECTION1BASICCIRCUITS
InvertingAmplifier
VOUTebR2R1VIN
RINeR1
TLH7057–1Non-InvertingAmplifier
VOUTeR1aR2R1VIN
TLH7057–2
DifferenceAmplifier
VOUTeR1aR2R3aR4JR4R1V2bR2R1V1
ForR1eR3andR2eR4
VOUTeR2R1(V2bV1)
R1UR2eR3UR4TLH7057–3
ForminimumoffseterrorduetoinputbiascurrentInvertingSummingAmplifier
VOUTebR4V1R1aV2R2aV3R3J
R5eR1UR2UR3UR4
Forminimumoffseterrorduetoinputbiascurrent
TLH7057–4
Non-InvertingSummingAmplifier
RSe1kfor1%accuracy
TLH7057–5InvertingAmplifierwithHighInputImpedance
SourceImpedancelessthan100kgiveslessthan1%gainerror
TLH7057–6FastInvertingAmplifierwithHighInputImpedance
TLH7057–7Non-InvertingACAmplifier
VOUTeR1aR2R1VIN
RINeR3
R3eR1UR2TLH7057–8
C1995NationalSemiconductorCorporationRRD-B30M115PrintedinUSA
PracticalDifferentiator
fce12qR2C1
fhe12qR1C1e12qR2C2
fcmfhmfunitygainTLH7057–9Integrator
VOUTeb1R1C1t2t1VINdt
fce12qR1C1
R1eR2
ForminimumoffseterrorduetoinputbiascurrentTLH7057–10
FastIntegrator
TLH7057–11CurrenttoVoltageConverter
VOUTelINR1
ForminimumerrorduetobiascurrentR2eR1
TLH7057–12
CircuitforOperatingtheLM101
withoutaNegativeSupply
TLH7057–13CircuitforGeneratingthe
SecondPositiveVoltage
TLH7057–14
2
NeutralizingInputCapacitance
toOptimizeResponseTime
CNsR1R2CS
TLH7057–15IntegratorwithBiasCurrentCompensation
Adjustforzerointegratordrift
Currentdrifttypically01nACoverb55Cto125Ctemperaturerange
TLH7057–16
VoltageComparatorforDriving
DTLorTTLIntegratedCircuits
TLH7057–17
ThresholdDetectorforPhotodiodes
TLH7057–18Double-EndedLimitDetector
VOUTe46Vfor
VLTsVINsVUT
VOUTe0Vfor
VINkVLTorVINlVUTTLH7057–19
MultipleApertureWindowDiscriminator
TLH7057–20
3
OffsetVoltageAdjustmentforInvertingAmplifiers
UsingAnyTypeofFeedbackElement
RANGEegVR2R1J
TLH7057–21OffsetVoltageAdjustmentforNon-InvertingAmplifiers
UsingAnyTypeofFeedbackElement
RANGEegVR2R1J
GAINe1aR5R4aR2
TLH7057–22
OffsetVoltageAdjustmentforVoltageFollowers
RANGEegVR3R1J
TLH7057–23OffsetVoltageAdjustmentforDifferentialAmplifiers
R2eR3aR4
RANGEegVR5R4JR1R1aR3J
GAINeR2R1TLH7057–24
OffsetVoltageAdjustmentforInverting
AmplifiersUsing10kXSourceResistanceorLess
R1e2000R3UR4
R4UR3s10kX
RANGEegVR3UR4R1JTLH7057–25
4
SECTION2SIGNALGENERATION
LowFrequencySineWaveGeneratorwithQuadratureOutput
TLH7057–26
HighFrequencySineWaveGeneratorwithQuadratureOutput
foe10kHz
TLH7057–27
5
Free-RunningMultivibrator
Chosenforoscillationat100Hz
TLH7057–28WeinBridgeSineWaveOscillator
R1eR2
C1eC2Eldema1869
fe12qR1C110V14mABulb
TLH7057–29
FunctionGenerator
TLH7057–30
PulseWidthModulator
TLH7057–31
6
BilateralCurrentSource
IOUTeR3VINR1R5
R3eR4aR5
R1eR2TLH7057–32BilateralCurrentSource
IOUTeR3VINR1R5
R3eR4aR5
R1eR2
TLH7057–33
WeinBridgeOscillatorwithFETAmplitudeStabilization
R1eR2
C1eC2
fe12qR1C1TLH7057–34
7
LowPowerSupplyforIntegratedCircuitTesting
TLH7057–35VOUTe1VkX
TLH7057–91
PositiveVoltageReference
TLH7057–36PositiveVoltageReference
TLH7057–37
8
NegativeVoltageReference
TLH7057–38NegativeVoltageReference
TLH7057–39
PrecisionCurrentSink
IOeVINR1
VINt0V
TLH7057–40PrecisionCurrentSource
TLH7057–41
SECTION3SIGNALPROCESSING
Differential-InputInstrumentationAmplifier
R4R2eR5R3
AVeR4R2
TLH7057–42
9
VariableGainDifferential-InputInstrumentationAmplifier
Gainadjust
AVe10b4R6
TLH7057–43
InstrumentationAmplifierwithg100VoltCommonModeRange
R3eR4
R1eR6e10R3
AVeR7R6
MatchingdeterminescommonR1eR5e10R2moderejectionR2eR3
TLH7057–44
10
InstrumentationAmplifierwithg10VoltCommonModeRange
R1eR4
R2eR5
R6eR7
MatchingDeterminesCMRR
AVeR6R21a2R1R3J
TLH7057–45
HighInputImpedanceInstrumentationAmplifier
R1eR4R2eR3
AVe1aR1R2MatchingdeterminesCMRR
MaybedeletedtomaximizebandwidthTLH7057–46
BridgeAmplifierwithLowNoiseCompensation
Reducesfeedthroughofpowersupplynoiseby20dBandmakessupplybypassingunnecessary
Trimforbestcommonmoderejection
Gainadjust
TLH7057–47
11