–30
VO = 2V p-p
VS = ±5V
–50
RL = 500Ω
G = +1
–70
–90
–110
2ND HARMONIC
3RD HARMONIC
–130
10k
100k
1M
10M
FREQUENCY – Hz
100M
Figure 21. AD9631 Harmonic Distortion vs. Frequency,
RL = 500 Ω
–30
VO = 2V p-p
VS = ±5V
–50
RL = 100Ω
G = +1
–70
–90
–110
2ND HARMONIC
3RD HARMONIC
–130
10k
100k
1M
10M
FREQUENCY – Hz
100M
Figure 22. AD9631 Harmonic Distortion vs. Frequency,
RL = 100 Ω
60
55
50
45
40
35
30
25
20
10
20
40
60
80 100
FREQUENCY – MHz
Figure 23. AD9631 Third Order Intercept vs. Frequency
AD9631/AD9632
0.10
0.05
0.00
–0.05
–0.10
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
0.10
0.05
0.00
–0.05
–0.10
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
Figure 24. AD9631 Differential Gain and Phase Error,
G = +2, RL = 150 Ω
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
0
10
20 30 40
50
60 70 80
SETTLING TIME – ns
Figure 25. AD9631 Short-Term Settling Time, 2 V Step,
RL = 100 Ω
0.3
0.2
0.1
0
–0.1
–0.2
0
1
23
4
5
6
78
9 10
SETTLING TIME – µs
Figure 26. AD9631 Long-Term Settling Time, 2 V Step,
RL = 100 Ω
REV. A
–7–