Data Sheet

AD8031/AD8032

Rev. G | Page 9 of 20

110

105

60

90

75

70

65

100

95

80

85

0

2k

4k

6k

8k

10k

RLOAD (Ω)

VS = 5V

+AOL

–AOL

Figure 20. Open-Loop Gain (AOL) vs. RLOAD

86

84

76

82

80

78

–40 –30 –20 –10

0

10

20

30

40

50

60

70

80

90

TEMPERATURE (°C)

VS = 5V

RL = 1kΩ

–AOL

+AOL

Figure 21. Open Loop Gain vs. (AOL) Temperature

110

80

50

100

90

70

60

VOUT (V)

0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

VS = 5V

RLOAD = 10kΩ

RLOAD = 1kΩ

Figure 22. Open-Loop Gain (AOL) vs. VOUT

10

0

–10

INPUT VOLTAGE (V)

100

90

10

0%

VS = 5V

500mV

500mV

1V

–1.5

0.5

2.5

4.5

6.5

Figure 23. Differential Input Overvoltage I-V Characteristics

0.05

–0.15

–0.05

–0.10

0

0.10

–0.10

0

–0.05

0.05

1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH 11TH

1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH 11TH

Figure 24. Differential Gain and Phase @ VS = ±5 V; RL = 1 kΩ

FREQUENCY (Hz)

100

30

0.3

10

3

1

100

10

1

0.1

10

100

1k

10k

100k

1M

10M

VS = 5V

CURRENT NOISE

VOLTAGE NOISE

Figure 25. Input Voltage Noise vs. Frequency