6.6 Typical Characteristics (continued)

at VS+ = 2.5 V, VS– = –2.5 V, VIN+ = 0 V, RF = 453 Ω, gain = 7 V/V, RL = 200 Ω, output load referenced to midsupply, and TA =

25°C (unless otherwise noted)

Time (5 ns/div)

-80

-60

-40

-20

0

20

40

60

80

D119

Input

Output

Average rise-and-fall time (10%–90%) = 450 ps

Figure 6-19. Small-Signal Transient Response

Time (5 ns/div)

-1.25

-1

-0.75

-0.5

-0.25

0

0.25

0.5

0.75

1

1.25

D120

Input

Output

Average rise-and-fall time (10%–90%) = 750 ps

Figure 6-20. Large-Signal Transient Response

Time (5 ns/div)

-80

-60

-40

-20

0

20

40

60

80

D121

RS = 24 :, CL = 10 pF

RS = 10 :, CL = 47 pF

RS = 5.6 :, CL = 100 pF

RS = 1.8 :, CL = 1 nF

Figure 6-21. Small-Signal Transient Response vs Capacitive

Load

Time (ns)

0

10

20

30

40

50

60

70

80

90

100

-3

-2

-1

0

1

2

3

D122

Measured Output

Ideal Output

2 × output overdrive

Figure 6-22. Output Overload Response

Time (5 ns/div)

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

D123

Power Down (PD)

Output

VS+ = 5 V, VS– = ground

Figure 6-23. Turn-On Transient Response

Time (5 ns/div)

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

D124

Power Down (PD)

Output

VS+ = 5 V, VS– = ground

Figure 6-24. Turn-Off Transient Response

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OPA858

SBOS629B – APRIL 2018 – REVISED MAY 2025

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