LM2904A STMicroelectronics, LM2904A Datasheet - Page 12
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LM2904A
Manufacturer Part Number
LM2904A
Description
Low power, bipolar op-amp
Manufacturer
STMicroelectronics
Datasheet
1.LM2904A.pdf
(24 pages)
Specifications of LM2904A
Large Dc Voltage Gain
100 dB
Wide Bandwidth (unity Gain)
1.1 MHz (temperature compensated)
Low Input Bias Current
20 nA (temperature compensated)
Low Input Offset Current
2 nA
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Electrical characteristics
12/24
Figure 24. Low drift peak detector
e
I
Z
I
LM2904
1/2
I
B
1 μF
1 MΩ
R
2I
B
C
2N 929
2I
I
B
B
LM2904
3 MΩ
1/2
3R
I
I
B
B
0.001 μF
LM2904
Z
1/2
o
Input current
compensation
Doc ID 2471 Rev 14
e
o
+V1
Figure 25. Active bandpass filter
100 kΩ
100 kΩ
R2
R3
Fo = 1 kHz
Q = 50
Av = 100 (40 dB)
LM2904
330 pF
100 kΩ
10 MΩ
1/2
LM2904
R4
R1
1/2
C2
470 kΩ
R6
100 kΩ
R8
LM2904, LM2904A
330 pF
C1
LM2904
10 μF
1/2
C3
470 kΩ
100 kΩ
R5
R7
V
V
CC
o