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1、TL/H/7057Op Amp Circuit CollectionAN-31National SemiconductorApplication Note 31February 1978Op Amp Circuit CollectionSECTION 1BASIC CIRCUITSInverting AmplifierVOUTe bR2R1VINRINeR1TL/H/70571Non-Inverting AmplifierVOUTeR1aR2R1VINTL/H/70572Difference AmplifierVOUTe#R1aR2R3aR4JR4R1V2bR2R1V1For R1eR3 an
2、d R2eR4VOUTeR2R1(V2bV1)R1UR2eR3UR4TL/H/70573For minimum offset errordue to input bias currentInverting Summing AmplifierVOUTe bR4#V1R1aV2R2aV3R3JR5eR1UR2UR3UR4For minimum offset errordue to input bias currentTL/H/70574Non-Inverting Summing Amplifier*RSe1kfor 1%accuracyTL/H/70575Inverting Amplifier w
3、ith High Input Impedance*Source Impedanceless than 100kgives less than 1%gain error.TL/H/70576Fast Inverting Amplifier with High Input ImpedanceTL/H/70577Non-Inverting AC AmplifierVOUTeR1aR2R1VINRINeR3R3eR1UR2TL/H/70578C1995 National Semiconductor CorporationRRD-B30M115/Printed in U.S.A.h t t p:/w w
4、 w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Practical Differentiatorfce12qR2C1fhe12qR1C1e12qR2C2fcmfhmfunity gainTL/H/70579IntegratorVOUTe b1R1C1#t2t1VINdtfce12qR1C1R1eR2For minimum offset error dueto input bias currentTL/H/705710Fast IntegratorTL/H/705711Current to Vol
5、tage ConverterVOUTelINR1*For minimum error due tobias current R2eR1TL/H/705712Circuit for Operating the LM101without a Negative SupplyTL/H/705713Circuit for Generating theSecond Positive VoltageTL/H/7057142h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Neutrali
6、zing Input Capacitanceto Optimize Response TimeCNsR1R2CSTL/H/705715Integrator with Bias Current Compensation*Adjust for zero integrator drift.Current drift typically 0.1,n/ACoverb55C to 125Ctemperature range.TL/H/705716Voltage Comparator for DrivingDTL or TTL Integrated CircuitsTL/H/705717Threshold
7、Detector for PhotodiodesTL/H/705718Double-Ended Limit DetectorVOUTe4.6V forVLTsVINsVUTVOUTe0V forVINkVLTor VINlVUTTL/H/705719Multiple Aperture Window DiscriminatorTL/H/7057203h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Offset Voltage Adjustment for Inverting
8、 AmplifiersUsing Any Type of Feedback ElementRANGEegV#R2R1JTL/H/705721Offset Voltage Adjustment for Non-Inverting AmplifiersUsing Any Type of Feedback ElementRANGEegV#R2R1JGAINe1aR5R4aR2TL/H/705722Offset Voltage Adjustment for Voltage FollowersRANGEegV#R3R1JTL/H/705723Offset Voltage Adjustment for D
9、ifferential AmplifiersR2eR3aR4RANGEegV#R5R4J#R1R1aR3JGAINeR2R1TL/H/705724Offset Voltage Adjustment for InvertingAmplifiers Using 10 kX Source Resistance or LessR1e2000 R3UR4R4UR3s10 kXRANGEegV#R3UR4R1JTL/H/7057254h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛S
10、ECTION 2 SIGNAL GENERATIONLow Frequency Sine Wave Generator with Quadrature OutputTL/H/705726High Frequency Sine Wave Generator with Quadrature Outputfoe10 kHzTL/H/7057275h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Free-Running Multivibrator*Chosen for oscil
11、lation at 100 HzTL/H/705728Wein Bridge Sine Wave OscillatorR1eR2C1eC2*Eldema 1869fe12qR1 C110V,14 mA BulbTL/H/705729Function GeneratorTL/H/705730Pulse Width ModulatorTL/H/7057316h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Bilateral Current SourceIOUTeR3 VINR
12、1 R5R3eR4aR5R1eR2TL/H/705732Bilateral Current SourceIOUTeR3 VINR1 R5R3eR4aR5R1eR2TL/H/705733Wein Bridge Oscillator with FET Amplitude StabilizationR1eR2C1eC2fe12qR1 C1TL/H/7057347h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Low Power Supply for Integrated Cir
13、cuit TestingTL/H/705735*VOUTe1V/kXTL/H/705791Positive Voltage ReferenceTL/H/705736Positive Voltage ReferenceTL/H/7057378h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Negative Voltage ReferenceTL/H/705738Negative Voltage ReferenceTL/H/705739Precision Current Si
14、nkIOeVINR1VINt0VTL/H/705740Precision Current SourceTL/H/705741SECTION 3 SIGNAL PROCESSINGDifferential-Input Instrumentation AmplifierR4R2eR5R3AVeR4R2TL/H/7057429h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Variable Gain,Differential-Input Instrumentation Ampl
15、ifier*Gain adjustAVe10b4R6TL/H/705743Instrumentation Amplifier withg100 Volt Common Mode RangeR3eR4R1eR6e10R3AVeR7R6*Matching determines commonR1eR5e10R2mode rejection.R2eR3TL/H/70574410h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Instrumentation Amplifier wi
16、thg10 Volt Common Mode RangeR1eR4R2eR5R6eR7*Matching Determines CMRRAVeR6R2#1a2R1R3JTL/H/705745High Input Impedance Instrumentation AmplifierR1eR4;R2eR3AVe1aR1R2*Matching determines CMRRMay be deleted to maximize bandwidthTL/H/705746Bridge Amplifier with Low Noise Compensation*Reduces feed through o
17、fpower supply noise by 20 dBand makes supply bypassingunnecessary.Trim for best commonmode rejectionGain adjustTL/H/70574711h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Bridge AmplifierR1RS1eR2RS2VOUTeVa#1bR1RS1JTL/H/705748Precision DiodeTL/H/705749Precision
18、Clamp*EREFmust have a source im-pedance of less than 200X ifD2 is used.TL/H/705750Fast Half Wave RectifierTL/H/705751Precision AC to DC Converter*Feedforward compensation can be used to make a fast full wave rectifier without a filter.TL/H/705752Low Drift Peak DetectorTL/H/70575312h t t p:/w w w.e l
19、 e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Absolute Value Amplifier with Polarity DetectorVOUTe blVINlcR2R1R2R1eR4aR3R3TL/H/705754Sample and Hold*Polycarbonate-dielectric capacitorTL/H/705755Sample and Hold*Worst case drift less than 2.5 mV/secTeflon,Polyethylene or Polycarb
20、onateDielectric CapacitorTL/H/70575613h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Low Drift IntegratorTL/H/705757*Q1 and Q3 should not have internal gate-protection diodes.Worst case drift less than 500 mV/sec overb55C toa125C.FastSumming Amplifier with Low
21、Input CurrentTL/H/705758*In addition to increasing speed,the LM101A raises high and low frequencygain,increases output drive capability and eliminates thermal feedback.Power Bandwidth:250 kHzSmall Signal Bandwidth:3.5 MHzSlew Rate:10V/msC5e6c10b8Rf14h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p
22、:/b b s.e l e c f a n s.c o m 电子技术论坛Fast Integrator with Low Input CurrentTL/H/705759Adjustable Q Notch FilterfOe12qR1C1e60 HzR1eR2eR3C1eC2eC23TL/H/70576015h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Easily Tuned Notch FilterR4eR5R1eR3R4e(/2 R1fOe12qR40C1C2T
23、L/H/705761Tuned CircuitfOe12q0R1R2C1C2TL/H/705762Two-Stage Tuned CircuitfOe12q0R1R2C1C2TL/H/70576316h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Negative Capacitance MultiplierCeR2R3C1ILeVOSaR2 IOSR3RSeR3(R1aRIN)RINAVOTL/H/705765Variable Capacitance Multiplie
24、rCe#1aRbRaJC1TL/H/705766Simulated InductorLtR1 R2 C1RSeR2RPeR1TL/H/705767Capacitance MultiplierCeR1R3C1ILeVOSaIOSR1R3RSeR3TL/H/70576817h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛High Pass Active FilterTL/H/705771*Values are for 100 Hz cutoff.Use metalized p
25、olycarbonate capacitors for good temperature stability.Low Pass Active FilterTL/H/705772*Values are for 10 kHz cutoff.Use silvered mica capacitors for good temperature stability.Nonlinear Operational Amplifier with Temperature Compensated BreakpointsTL/H/70577318h t t p:/w w w.e l e c f a n s.c o m
26、电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Current MonitorVOUTeR1 R3R2ILTL/H/705774Saturating Servo Preamplifier withRate FeedbackTL/H/705775Power BoosterTL/H/70577619h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Analog MultiplierR5eR1#Vb10JV1t0VOUTeV1V2
27、10TL/H/705777Long Interval Timer*Low leakageb0.017 mF per second delayTL/H/705778Fast Zero Crossing DetectorTL/H/705779Propagation delay approximately 200 nsDTL or TTL fanout of three.Minimize stray capacitancePin 8Amplifier for Piezoelectric TransducerLow frequency cutoffeR1 C1TL/H/705780Temperatur
28、e Probe*Set for 0V at 0CAdjust for 100 mV/CTL/H/70578120h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Photodiode AmplifierVOUTeR1 IDTL/H/705782Photodiode AmplifierVOUTe10 V/mATL/H/705783*Operating photodiode with less than 3 mVacross it eliminates leakage curr
29、ents.High Input Impedance AC FollowerTL/H/705784Temperature Compensated Logarithmic Converter1 kX(g1%)at 25C,a3500 ppm/C.Available from Vishay Ultronix,Grand Junction,CO,Q81 Series.*Determines current for zerocrossing on output:10 mAas shown.TL/H/70578510 nAkIINk1 mASensitivity is 1V per decade21h t
30、 t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Root Extractor*2N3728 matched pairsTL/H/70578622h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛Multiplier/DividerTL/H/705787Cube GeneratorTL/H/70578823h t t p:/w w w.e l e c f a
31、n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛AN-31Op Amp Circuit CollectionFast Log Generator1 kX(g1%)at 25C,a3500 ppm/C.Available from Vishay Ultronix,Grand Junction,CO,Q81 Series.TL/H/705789Anti-Log Generator1 kX(g1%)at 25C,a3500 ppm/C.Available from Vishay Ultronix,Grand Junction,CO
32、,Q81 Series.TL/H/705790LIFE SUPPORT POLICYNATIONALS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORTDEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONALSEMICONDUCTOR CORPORATION.As used herein:1.Lifesupportdevicesorsystemsaredevicesor2.A crit
33、ical component is any component of a lifesystems which,(a)are intended for surgical implantsupport device or system whose failure to perform caninto the body,or(b)support or sustain life,and whosebe reasonably expected to cause the failure of the lifefailure to perform,when properly used in accordan
34、cesupport device or system,or to affect its safety orwith instructions for use provided in the labeling,caneffectiveness.be reasonably expected to result in a significant injuryto the user.National SemiconductorNational SemiconductorNational SemiconductorNational SemiconductorCorporationEuropeHong K
35、ong Ltd.Japan Ltd.1111 West Bardin RoadFax:(a49)0-180-530 85 8613th Floor,Straight Block,Tel:81-043-299-2309Arlington,TX 76017Email:Ocean Centre,5 Canton Rd.Fax:81-043-299-2408Tel:1(800)272-9959Deutsch Tel:(a49)0-180-530 85 85Tsimshatsui,KowloonFax:1(800)737-7018EnglishTel:(a49)0-180-532 78 32Hong K
36、ongFran3ais Tel:(a49)0-180-532 93 58Tel:(852)2737-1600ItalianoTel:(a49)0-180-534 16 80Fax:(852)2736-9960National does not assume any responsibility for use of any circuitry described,no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.h t t p:/w w w.e l e c f a n s.c o m 电子发烧友 h t t p:/b b s.e l e c f a n s.c o m 电子技术论坛