6.10 Typical Characteristics: VS = 3 V to 10 V

at VOUT = 2 VPP, RF = 0 Ω for G = 1 V/V, otherwise RF = 1 kΩ for other gains, CL = 1 pF, RL = 2 kΩ referenced to mid‑supply,

G = 1 V/V, input and output referenced to mid

‑supply, and TA ≅ 25°C (unless otherwise noted)

Frequency (Hz)

-15

-90

0

-60

15

-30

30

0

45

30

60

60

75

90

90

120

105

150

120

180

135

210

1

10

100

1k

10k

100k

1M

10M

100M

Magnitude

Phase

Small-signal response

Figure 6-40. Open-Loop Gain and Phase vs Frequency

Frequency (Hz)

-15

-12

-9

-6

-3

0

3

100k

1M

10M

100M

VS = 10 V

VS = 3 V

VOUT = 20 mVPP

Figure 6-41. Frequency Response vs Supply Voltage

Frequency (Hz)

10

100

1k

10k

100k

1M

1

10

100

D401

Figure 6-42. Input Voltage Noise Density vs Frequency

Frequency (Hz)

10

100

1k

10k

100k

1M

0.1

1

10

Main Stage

Auxiliary Stage

Figure 6-43. Input Current Noise Density vs Frequency

Frequency (Hz)

20

40

60

80

100

120

140

100

1k

10k

100k

1M

10M

Figure 6-44. Common-Mode Rejection Ratio vs Frequency

Frequency (Hz)

-20

0

20

40

60

80

100

120

140

1

10

100

1k

10k

100k

1M

10M

PSRR−

PSRR+

Figure 6-45. Power Supply Rejection Ratio vs Frequency

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OPA863A, OPA2863A

SBOSA95D – MAY 2022 – REVISED DECEMBER 2023

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