LM2904A STMicroelectronics, LM2904A Datasheet - Page 12

• Manufacturer Part Number: LM2904A
• Description: Low power, bipolar op-amp
• Manufacturer: STMicroelectronics

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

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