常用运放电路集锦

OpAmpCircuitCollection

常用运放电路集锦

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

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