LM2904ST View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

LM2904ST

Low-power dual operational amplifier

STMicroelectronics 

Electrical characteristics

LM2904, LM2904A

Figure 24. Low drift peak detector

Figure 25. Active bandpass filter

R1

IB

100 kΩ

1/2

I B LM2904

1/2

eI

LM2904

C

1 μF

2IB

Zo

eo

+V1

ZI

2N 929 0.001 μF

2IB

IB

R

1 MΩ

3R

3 MΩ

IB

1/2

LM2904

Input current

compensation

R2

100 kΩ

R3

100 kΩ

1/2

LM2904

R4

10 MΩ

C2

330 pF

1/2

LM2904

Fo = 1 kHz

Q = 50

Av = 100 (40 dB)

C1

330 pF

R5

470 kΩ

R6

470 kΩ

R8

100 kΩ

1/2

LM2904

C3

10 μF

R7

100 kΩ

Vo

VCC

12/24

Doc ID 2471 Rev 14

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