6.6 Typical Characteristics (continued)

at TA = 25°C, VS+ = 2.5 V, VS– = –2.5 V, VIN+ = 0 V, gain = 1 V/V, RF = 0 Ω, RL = 200 Ω, and output load referenced to

midsupply (unless otherwise noted)

Frequency (Hz)

-12

-9

-6

-3

0

3

1M

10M

100M

1G

D306

Gain = +1 V/V

Gain = 1 V/V

Gain = +2 V/V

Gain = +5 V/V

Gain = +20 V/V

VOUT = 2 VPP

Figure 6-7. Large-Signal Frequency Response vs Gain

Frequency (Hz)

-0.5

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

1M

10M

100M

D307

VOUT = 2 VPP

Figure 6-8. Large-Signal Response for 0.1-dB Gain Flatness

Frequency (Hz)

0.01

0.1

1

10

100

1M

10M

100M

100k

D309

Small-signal response

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

Frequency (Hz)

-15

0

15

30

45

60

75

10k

100k

1M

10M

100M

1G

45

0

-45

-90

-135

-180

-225

D310

AOL Magnitude (dB)

AOL Phase (q)

Small-signal response

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

Frequency (Hz)

1

10

100

1k

10k

100k

1M

10M

100M

D311

Figure 6-11. Voltage Noise Density vs Frequency

Ambient Temperature (qC)

-40

-20

0

20

40

60

80

100

120

140

2.6

2.8

3

3.2

3.4

3.6

3.8

4

D312

Frequency 10 MHz

Figure 6-12. Voltage Noise Density vs Ambient Temperature

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OPA859

SBOS852A – SEPTEMBER 2018 – REVISED MAY 2025

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