OPA591DBVR datasheet(11/39 Pages) TI2

11 / 39 page

5.7 Typical Characteristics (continued)

at TA = 25°C, VS = 85V, VCM = VOUT = mid-supply, and RL = 10kΩ (unless otherwise noted)

Time (1s/div)

Figure 5-19. 0.1Hz to 10Hz Noise

Frequency (Hz)

0.5

100

200

500

1000

100

10k

100k

Figure 5-20. Current Noise Density vs Frequency

Output Amplitude (VPP)

100m

100

-140

-120

-100

-80

-60

0.00001

0.0001

0.001

0.01

0.1

G =

−1, 1M Load

G =

−1, 10k Load

G =

−1, 2k Load

G = 1, 1M

Load

G = 1, 10k

Load

G = 1, 2k

Load

f = 1kHz

Figure 5-21. Total Harmonic Distortion + Noise Ratio vs Output

Amplitude

Frequency (Hz)

1E-5

2E-5

5E-5

0.0001

0.0002

0.0005

0.001

0.002

0.005

0.01

0.02

0.05

0.1

0.2

0.5

200

20k

-140

-120

-100

-80

-60

-40

G =

−1. 1M Load

G =

−1. 10k Load

G =

−1. 2k Load

G = 1. 1M

Load

G = 1. 10k

Load

G = 1. 2k

Load

24.75VRMS (70VPP)

Figure 5-22. Total Harmonic Distortion + Noise Ratio vs

Frequency

Output Current (mA)

−40 C

−5 C

25 C

85 C

125 C

Figure 5-23. Output Voltage Swing vs Output Sourcing Current

Output Current (mA)

-45

-40

-35

-30

−40 C

−5 C

25 C

85 C

125 C

Figure 5-24. Output Voltage Swing vs Output Sinking Current

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OPA591, OPA2591

SBOSA47A – FEBRUARY 2026 – REVISED SEPTEMBER 2026

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