LM2904W View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

LM2904W

Low power dual operational amplifier

STMicroelectronics 

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Electrical characteristics

LM2904W

Figure 24. Low drift peak detector

Figure 25. Active bandpass filter

IB

1/2

LM2904

eI

ZI

1/2

I B LM2904

eo

C

1μ F

2IB

Zo

2IB

R

1M Ω

2N 929 0.001μ F

IB

3R

3M Ω

IB

1/2

LM2904

Input current

compensation

+V1

R1

100kΩ

R2

100kΩ

R3

100kΩ

1/2

LM2904

R4

10MΩ

C2

330pF R6

470kΩ

1/2

LM2904

C1

330pF

1/2

LM2904

Fo = 1kHz

Q = 50

Av = 100 (40dB)

R8

100kΩ

C3

10μF

R5

470kΩ

R7

100kΩ

Vo

VCC

10/19

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