LM2900, LM3900
QUADRUPLE NORTON OPERATIONAL AMPLIFIERS
SLOS059 – JULY 1979 – REVISED SEPTEMBER 1990
TYPICAL CHARACTERISTICS
†
INPUT BIAS CURRENT (INVERTING INPUT)
vs
FREE-AIR TEMPERATURE
80
70
IIB – Input Bias Current – nA
60
II – /I + – Mirror Gain
50
40
30
20
10
0
– 75
VCC = 15 V
VO = 7.5 V
II + = 0
1.2
1.15
1.1
1.05
1
0.95
0.9
0.85
0.8
– 75
VCC = 15 V
II + = 10
µA
MIRROR GAIN
vs
FREE-AIR TEMPERATURE
– 50
– 25
0
25
50
75
TA – Free-Air Temperature –
°C
100
– 50
– 25
0
25
50
75
100
TA – Free-Air Temperature –
°
C
125
Figure 1
LARGE SIGNAL
DIFFERENTIAL VOLTAGE AMPLIFICATION
vs
FREQUENCY
104
RL
≥
10 kΩ
AVD – Differential Voltage Amplification
VCC = 15 V
TA = 25
°
C
104
Figure 2
LARGE SIGNAL
DIFFERENTIAL VOLTAGE AMPLIFICATION
vs
SUPPLY VOLTAGE
AVD – Differential Voltage Amplification
103
RL = 2 kΩ
103
102
102
10
10
RL = 10 kΩ
TA = 25°C
1
0
5
10
15
20
25
30
1
100
1k
10 k
100 k
1M
10 M
f – Frequency – Hz
VCC – Supply Voltage – V
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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