lm2904d-dt STMicroelectronics, lm2904d-dt Datasheet - Page 11

• Manufacturer Part Number: lm2904d-dt
• Description: Low Power Dual Operational Amplifier
• Manufacturer: STMicroelectronics

LM2904
Figure 24. Low drift peak detector
e
I
Z
I
LM2904
1/2
I
B
1 μ F
1M Ω
R
2I
B
C
2N 929
2I
I
B
B
LM2904
3M Ω
1/2
3R
I
I
B
B
0.001μ F
LM2904
Z
1/2
o
Input current
compensation
e
o
+V1
Figure 25. Active bandpass filter
100kΩ
100kΩ
R2
R3
Fo = 1kHz
Q = 50
Av = 100 (40dB)
LM2904
100kΩ
1/2
10MΩ
LM2904
R4
R1
1/2
330pF
C2
470kΩ
Electrical characteristics
R6
100kΩ
R8
330pF
C1
LM2904
1/2
10μF
C3
470kΩ
100kΩ
R5
R7
11/20
V
V
CC
o