LM2900, LM3900

QUADRUPLE NORTON OPERATIONAL AMPLIFIERS

SLOS059 – JULY 1979 – REVISED SEPTEMBER 1990

4

POST OFFICE BOX 655303

Figure 1

INPUT BIAS CURRENT (INVERTING INPUT)

vs

FREE-AIR TEMPERATURE

TA – Free-Air Temperature – °C

0

–75

10

20

30

40

50

60

70

80

– 50

– 25

0

25

50

75

100

VCC = 15 V

VO = 7.5 V

II + = 0

Figure 2

0.9

MIRROR GAIN

vs

FREE-AIR TEMPERATURE

125

100

75

50

25

0

–25

–50

1.2

1.15

1.1

1.05

1

0.95

0.85

–75

0.8

II + = 10 µA

VCC = 15 V

Figure 3

f – Frequency – Hz

LARGE SIGNAL

DIFFERENTIAL VOLTAGE AMPLIFICATION

vs

FREQUENCY

1

100

1 k

10 k

100 k

1 M

10 M

10

102

103

104

RL ≥ 10 kΩ

RL = 2 kΩ

VCC = 15 V

Figure 4

VCC – Supply Voltage – V

LARGE SIGNAL

DIFFERENTIAL VOLTAGE AMPLIFICATION

vs

SUPPLY VOLTAGE

0

104

103

102

10

1

510

15

20

25

30

TA = 25°C

RL = 10 kΩ

† Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.