LM224 STMicroelectronics, LM224 Datasheet - Page 10
LM224
Manufacturer Part Number
LM224
Description
Low power quad op-amps with low input bias current
Manufacturer
STMicroelectronics
Datasheet
1.LM224.pdf
(19 pages)
Specifications of LM224
Wide Gain Bandwidth
1.3 MHz
Large Voltage Gain
100 dB
Very Low Supply Current Per Amplifier
375 μA
Low Input Bias Current
20 nA
Low Input Offset Voltage
5 mV max.
Low Input Offset Current
2 nA
Single Supply
+3 V to +30 V
Dual Supplies
±1.5 V to ±15 V
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Typical single-supply applications
10/19
Figure 25. Active bandpass filter
Figure 27. Using symmetrical amplifiers to
Fo = 1kHz
Q = 50
Av = 100 (40dB)
reduce input current (general
concept)
Doc ID 2156 Rev 7
Figure 26. High input Z, DC differential
e
As shown e
For
(CMRR depends on this resistor ratio match)
0
⎛
⎝
1
R
-------
R
1
2
+
amplifier
R
-------
R
=
4
3
⎞
⎠
R
-------
R
0
= (e
4
3
(e
2
2
- e
- e
1
1
)
)
LM124, LM224, LM324