Datasheet

11
®
OPA404
FIGURE 10. 8-Pole 10Hz Low-Pass Filter.
FIGURE 11. Wide-Band Amplifier.
Gain = +1V/V
48dB/Octave, 10Hz LPF
Butterworth Response
0.47µF
57.6kΩ
9.53kΩ
2
3
1
A
0.47µF
44.2kΩ
12.1kΩ
4
5
7
B
0.22µF
61.9kΩ
18.7kΩ
9
10
8
C
0.033µF
127kΩ
60.4kΩ
13
12
14
D
1µF
1µF
1µF
1µF
Out
In
1kΩ 1kΩ 1kΩ 1kΩ
A Out
B C D
4.02kΩ4.02kΩ4.02kΩ4.02kΩ
A
V
= +635
BW ≈ 650kHz
Gain-Bandwidth ≈ 410MHz
In