常用运放电路集锦

常用运放电路集锦

OpAmpCircuitCollection

OpAmpCircuitCollection

SECTION1 BASICCIRCUITS

InvertingAmplifier

NationalSemiconductorApplicationNote31February1978

Non-InvertingAmplifier

VOUTebRINeR1

R2

VINR1

VOUTe

R1aR2

VIN

R1

TL H 7057–2

TL H 7057–1

DifferenceAmplifierInvertingSummingAmplifier

VOUTe

ForR1eR3andR2eR4VOUTe

R2

(V2bV1)R1

R3

R1aR2

aR4

JR1V

R4

2b

R2

V1R1

VOUTebR4

R5eR1UR2UR3UR4Forminimumoffseterrorduetoinputbiascurrent

TL H 7057–4

R1

V1

a

V2V

a3R2R3

J

TL H 7057–3R1UR2eR3UR4

Forminimumoffseterrorduetoinputbiascurrent

InvertingAmplifierwithHighInputImpedance

Non-InvertingSummingAmplifier

RSe1k

for1%accuracy

TL H 7057–5

SourceImpedancelessthan100k

giveslessthan1%gainerror

TL H 7057–6

FastInvertingAmplifierwithHighInputImpedance

Non-InvertingACAmplifier

VOUTe

R1aR2

VIN

R1

RINeR3R3eR1UR2

TL H 7057–8

AN-31

TL H 7057–7

C1995NationalSemiconductorCorporation

TL H 7057

RRD-B30M115 PrintedinU S A

常用运放电路集锦

PracticalDifferentiatorIntegrator

1

fce

2qR2C1fhe

11

e

2qR1C12qR2C2

TL H 7057–9

VOUTebfce

1

R1C1

t2t1

VINdt

12qR1C1

fcmfhmfunitygain

R1eR2

Forminimumoffseterrorduetoinputbiascurrent

TL H 7057–10

FastIntegrator

CurrenttoVoltageConverter

VOUTelINR1

ForminimumerrorduetobiascurrentR2eR1

TL H 7057–12

TL H 7057–11

CircuitforOperatingtheLM101withoutaNegativeSupplyCircuitforGeneratingtheSecondPositiveVoltage

TL H 7057–13

TL H 7057–14

2

常用运放电路集锦

NeutralizingInputCapacitancetoOptimizeResponseTime

Double-EndedLimitDetector

CNs

R1

CSR2

VOUTe4 6VforVLTsVINsVUTVOUTe0Vfor

VINkVLTorVINlVUT

TL H 7057–19

TL H 7057–15

IntegratorwithBiasCurrentCompensation

MultipleApertureWindowDiscriminator

Adjustforzerointegratordrift Currentdrifttypically0 1 n A Coverb55 Cto125 Ctemperaturerange

TL H 7057–16

VoltageComparatorforDrivingDTLorTTLIntegratedCircuits

TL H 7057–17

ThresholdDetectorforPhotodiodes

TL H 7057–20

TL H 7057–18

3

常用运放电路集锦

OffsetVoltageAdjustmentforInvertingAmplifiers

UsingAnyTypeofFeedbackElementOffsetVoltageAdjustmentforNon-InvertingAmplifiers

UsingAnyTypeofFeedbackElement

RANGEegVGAIN

e1a

R1J

R2

RANGEegV

J

R2R1

R5R4aR2

TL H 7057–22

TL H 7057–21

OffsetVoltageAdjustmentforVoltageFollowersOffsetVoltageAdjustmentforDifferentialAmplifiers

RANGEegV

TL H 7057–23

R1J

R3

R2eR3aR4RANGEegVR2

GAINe

R1

R4J R1

R5R1

aR3

J

TL H 7057–24

OffsetVoltageAdjustmentforInverting

AmplifiersUsing10kXSourceResistanceorLess

R1e2000R3UR4R4UR3s10kXRANGEegV

R3UR4R1

J

TL H 7057–25

4

常用运放电路集锦

SECTION2 SIGNALGENERATION

LowFrequencySineWaveGeneratorwithQuadratureOutput

TL H 7057–26

HighFrequencySineWaveGeneratorwithQuadratureOutput

foe10kHz

TL H 7057–27

5

常用运放电路集锦

Free-RunningMultivibratorWeinBridgeSineWaveOscillator

Chosenforoscillationat100Hz

TL H 7057–28

R1eR2C1eC21

fe

2qR1C1

Eldema186910V 14mABulb

TL H 7057–29

FunctionGenerator

TL H 7057–30

PulseWidthModulator

TL H 7057–31

6

常用运放电路集锦

BilateralCurrentSourceBilateralCurrentSource

IOUTe

R3VINR1R5

R3eR4aR5R1eR2

IOUTe

R3VINR1R5

TL H 7057–32

R3eR4aR5R1eR2

TL H 7057–33

WeinBridgeOscillatorwithFETAmplitudeStabilization

R1eR2C1eC2fe

12qR1C1

TL H 7057–34

7

常用运放电路集锦

LowPowerSupplyforIntegratedCircuitTesting

VOUTe1V kX

TL H 7057–91

TL H 7057–35

PositiveVoltageReferencePositiveVoltageReference

TL H 7057–37

TL H 7057–36

8

常用运放电路集锦

NegativeVoltageReferenceNegativeVoltageReference

TL H 7057–39

TL H 7057–38

PrecisionCurrentSinkPrecisionCurrentSource

VINIOe

R1VINt0V

TL H 7057–40

TL H 7057–41

SECTION3 SIGNALPROCESSING

Differential-InputInstrumentationAmplifier

R4R5

eR2R3AVe

R4

R2

TL H 7057–42

9

常用运放电路集锦

VariableGain Differential-InputInstrumentationAmplifier

GainadjustAVe10b4R6

TL H 7057–43

InstrumentationAmplifierwithg100VoltCommonModeRange

R3eR4

R1eR6e10R3AVe

R1eR5e10R2R2eR3

R7R6

Matchingdeterminescommonmoderejection

TL H 7057–44

10

常用运放电路集锦

InstrumentationAmplifierwithg10VoltCommonModeRange

R1eR4R2eR5R6eR7

MatchingDeterminesCMRR

AVe

R62R1

1aR2R3

J

TL H 7057–45

HighInputImpedanceInstrumentationAmplifier

R1eR4 R2eR3

MatchingdeterminesCMRR

Maybedeletedtomaximizebandwidth

AVe1a

R1R2

TL H 7057–46

BridgeAmplifierwithLowNoiseCompensation

Reducesfeedthroughofpowersupplynoiseby20dBandmakessupplybypassingunnecessary

Trimforbestcommon

moderejection

Gainadjust

TL H 7057–47

11

常用运放电路集锦

BridgeAmplifierPrecisionDiode

R1R2

eRS1RS2VOUTeVa

1

b

R1

RS1

J

TL H 7057–49

TL H 7057–48

PrecisionClampFastHalfWaveRectifier

EREFmusthaveasourceim-pedanceoflessthan200XifD2isused

TL H 7057–50

TL H 7057–51

PrecisionACtoDCConverter

Feedforwardcompensationcanbeusedtomakeafastfullwaverectifierwithoutafilter TL H 7057–52

LowDriftPeakDetector

TL H 7057–53

12

常用运放电路集锦

AbsoluteValueAmplifierwithPolarityDetector

VOUTeblVINlcR2R4aR3

eR1R3

R2

R1

TL H 7057–54

SampleandHold

Polycarbonate-dielectriccapacitor

TL H 7057–55

SampleandHold

Worstcasedriftlessthan2 5mV sec

Teflon PolyethyleneorPolycarbonate

DielectricCapacitor

TL H 7057–56

13

常用运放电路集锦

LowDriftIntegrator

TL H 7057–57

Q1andQ3shouldnothaveinternalgate-protectiondiodes Worstcasedriftlessthan500mV secoverb55 Ctoa125 C

Fast SummingAmplifierwithLowInputCurrent

TL H 7057–58

Inadditiontoincreasingspeed theLM101Araiseshighandlowfrequencygain increasesoutputdrivecapabilityandeliminatesthermalfeedback

PowerBandwidth 250kHz

SmallSignalBandwidth 3 5MHzSlewRate 10V ms

C5e

6c10b8

Rf

14

常用运放电路集锦

FastIntegratorwithLowInputCurrent

TL H 7057–59

AdjustableQNotchFilter

fOe

12qR1C1

e60Hz

R1eR2eR3C1eC2eC23

TL H 7057–60

15

常用运放电路集锦

EasilyTunedNotchFilter

TunedCircuit

fOe

1

2q0R1R2C1C2

TL H 7057–62

R4eR5R1eR3R4e R1fOe

1

2qR40C1C2

TL H 7057–61

Two-StageTunedCircuit

fOe

1

2q0TL H 7057–63

16

常用运放电路集锦

NegativeCapacitanceMultiplier

Ce

R2

C1R3

VOSaR2IOSILe

R3RSe

R3(R1aRIN)RINAVO

TL H 7057–65

VariableCapacitanceMultiplier

Ce

1

a

Rb

C1Ra

J

TL H 7057–66

SimulatedInductorCapacitanceMultiplier

Ce

R1

C1R3

VOSaIOSR1ILe

R3RSeR3

LtR1R2C1RSeR2RPeR1

TL H 7057–67

TL H 7057–68

17

常用运放电路集锦

HighPassActiveFilter

TL H 7057–71

Valuesarefor100Hzcutoff Usemetalizedpolycarbonatecapacitorsforgoodtemperaturestability

LowPassActiveFilter

TL H 7057–72

Valuesarefor10kHzcutoff Usesilveredmicacapacitorsforgoodtemperaturestability

NonlinearOperationalAmplifierwithTemperatureCompensatedBreakpoints

TL H 7057–73

18

常用运放电路集锦

CurrentMonitor

SaturatingServoPreamplifierwith

RateFeedback

VOUTe

R1R3

ILR2

TL H 7057–75

TL H 7057–74

PowerBooster

TL H 7057–76

19

常用运放电路集锦

AnalogMultiplier

R5eR1V1t0

J

Vb10

V1V2

VOUTe

10

TL H 7057–77

LongIntervalTimerFastZeroCrossingDetector

Lowleakageb0 017mFperseconddelay

TL H 7057–78

TL H 7057–79

Propagationdelayapproximately200ns DTLorTTLfanoutofthree MinimizestraycapacitancePin8

AmplifierforPiezoelectricTransducerTemperatureProbe

Setfor0Vat0 C

Adjustfor100mV C

LowfrequencycutoffeR1C1

TL H 7057–80

TL H 7057–81

20

常用运放电路集锦

PhotodiodeAmplifierPhotodiodeAmplifier

VOUTeR1ID

VOUTe10V mA

TL H 7057–82

TL H 7057–83

Operatingphotodiodewithlessthan3mVacrossiteliminatesleakagecurrents

HighInputImpedanceACFollower

TL H 7057–84

TemperatureCompensatedLogarithmicConverter

1kX(g1%)at25 C a3500ppm C

AvailablefromVishayUltronix GrandJunction CO Q81Series

Determinescurrentforzerocrossingonoutput 10mAasshown

TL H 7057–85

10nAkIINk1mA

Sensitivityis1Vperdecade

21

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