5.9 Typical Characteristics (continued)

at TA = 25°C, VS = 5.0 V, VCM = VS / 2, RLOAD = 10 kΩ connected to VS / 2, and CL = 100 pF (unless otherwise noted)

Negative Input Bias Current (fA)

0

4

8

12

16

20

24

28

32

36

-100

-75

-50

-25

0

25

50

75

100

C020

Figure 5-13. Negative Input Bias Current Distribution

Positive Input Bias Current (fA)

0

6

12

18

24

30

36

42

48

54

60

-100

-75

-50

-25

0

25

50

75

100

C021

Figure 5-14. Positive Input Bias Current Distribution

Temperature (qC)

-50

-25

0

25

50

75

100

125

0.01

0.1

1

10

C022

IB

IB

IOS

Figure 5-15. Input Bias Current vs Temperature

Output Current (mA)

0

10

20

30

40

50

60

70

80

90

100

0

0.6

1.2

1.8

2.4

3

3.6

4.2

4.8

5.4

6

C045

40qC

25qC

85qC

125qC

Figure 5-16. Output Voltage Swing vs Output Current

(Maximum Supply)

Output Current (mA)

0

10

20

30

40

50

60

70

80

90

100

0

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3

C046

40qC

25qC

85qC

125qC

Figure 5-17. Output Voltage Swing vs Output Current

(Maximum Supply)

Frequency (Hz)

0

20

40

60

80

100

120

1

10

100

1k

10k

100k

1M

C031

PSRR

PSRR

Figure 5-18. PSRR vs Frequency

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OPA391, OPA2391, OPA4391

SBOS925D – DECEMBER 2020 – REVISED APRIL 2024

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