LM2900, LM3900
QUADRUPLE NORTON OPERATIONAL AMPLIFIERS
SLOS059 – JULY 1979 – REVISED SEPTEMBER 1990
†
TYPICAL CHARACTERISTICS
INPUT BIAS CURRENT (INVERTING INPUT)
MIRROR GAIN
vs
vs
FREE-AIR TEMPERATURE
FREE-AIR TEMPERATURE
1.2
1.15
1.1
80
70
60
50
40
30
20
10
0
V
= 15 V
V
V
= 15 V
CC
I + = 10 µA
CC
= 7.5 V
I
O
I + = 0
I
1.05
1
0.95
0.9
0.85
0.8
– 75 – 50 – 25
0
25
50
75
100 125
– 75 – 50 – 25
0
25
50
75
100
T
– Free-Air Temperature – °C
A
T
A
– Free-Air Temperature – °C
Figure 1
Figure 2
LARGE SIGNAL
LARGE SIGNAL
DIFFERENTIAL VOLTAGE AMPLIFICATION
DIFFERENTIAL VOLTAGE AMPLIFICATION
vs
vs
SUPPLY VOLTAGE
FREQUENCY
4
10
3
10
2
10
4
10
3
10
2
10
V
T
A
= 15 V
CC
= 25°C
R
R
≥10 kΩ
= 2 kΩ
L
L
10
1
10
R
T
A
= 10 kΩ
= 25°C
L
1
0
5
10
15
20
25
30
100
1 k
10 k
100 k
1 M
10 M
V
CC
– Supply Voltage – V
f – Frequency – Hz
Figure 3
Figure 4
†
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
4
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