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)

Frequency (Hz)

-0.6

-0.5

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

1M

10M

100M

1G

D107

VOUT = 2 VPP

Figure 6-7. Large-Signal Response for 0.1-dB Gain Flatness

Frequency (Hz)

-12

-10

-8

-6

-4

-2

0

2

4

1M

10M

100M

1G

5G

D108

VS = 3.3 V

VOUT = 1 VPP

Figure 6-8. Large-Signal Frequency Response

Frequency (Hz)

0.1

1

10

100

1M

10M

100M

D109

Gain = 7 V/V

Gain = 20 V/V

Small-signal response

Figure 6-9. Closed-Loop Output Impedance vs Frequency

Frequency (Hz)

-15

0

15

30

45

60

75

90

10k

100k

1M

10M

100M

1G

10G

45

0

-45

-90

-135

-180

-225

-270

D500

AOL magnitude (dB)

AOL phase (q)

Small-signal response

Figure 6-10. Open-Loop Magnitude and Phase vs Frequency

Frequency (Hz)

1

10

100

1M

10M

100M

1k

10k

100k

D111

Figure 6-11. Voltage Noise Density vs Frequency

Ambient Temperature (qC)

-40

-20

0

20

40

60

80

100

120

140

1.8

2

2.2

2.4

2.6

2.8

3

3.2

D112

Frequency = 10 MHz

Figure 6-12. Voltage Noise Density vs Ambient Temperature

www.ti.com

OPA858

SBOS629B – APRIL 2018 – REVISED MAY 2025

Copyright © 2025 Texas Instruments Incorporated

Submit Document Feedback

9

Product Folder Links: OPA858