Datasheet

ManualsBrandsSTMICROELECTRONICS ManualsLinear ICsLinear IC - Op-amp Multi-purpose MiniSO 8

Electrical characteristics LM2904, LM2904A

12/24 Doc ID 2471 Rev 14

Figure 24. Low drift peak detector Figure 25. Active bandpass filter

1/2

LM2904

I

B

2N 929

0.001

μ

F

I

B

3R

3 M

Ω

I

B

Inputcurrent

compensation

e

o

I

B

e

I

Z

o

Z

I

C

1 μF

2I

B

R

1 M

Ω

2I

B

1/2

LM2904

1/2

LM2904

1/2

LM2904

R8

100 k

Ω

C3

10

μ

F

R7

100 k

Ω

R5

470 k

Ω

C1

330 pF

V

o

V

C

C

R6

470 k

Ω

C2

330 pF

R4

10 M

Ω

R1

100 k

Ω

R2

100 k

Ω

+

V1

R3

100 k

Ω

1/2

LM2904

1/2

LM2904

Fo = 1 kHz

Q = 50

Av = 100 (40 dB)