AD8031/AD8032
5
V
= +5V
40
30
S
4
3
G = +1
= 1k⍀
R
L
GAIN
20
10
2
1
0
0
–10
–20
–90
–1
–2
–3
–4
–5
PHASE
–135
–180
–225
0.3
1
10
FREQUENCY – MHz
100
0.1
1
10
100
FREQUENCY – MHz
Figure 21. Unity Gain , –3 dB Bandwidth
Figure 24. Open-Loop Frequency Response
–20
3
V
V
= +5V
S
2
1
0
= –16dBm
–30
–40
IN
V
+85؇C
CC
2
G = +1, R = 2k⍀ TO
L
–40؇C
+25؇C
1.3V p-p
= +2.7V
–50
–60
–1
–2
–3
–4
V
2.5V p-p
= +2.7V
S
V
V
S
S
2k⍀
2V p-p
= +2.7V
V
OUT
V
V
S
IN
50⍀
–70
–80
4.8V p-p
= +5V
V
S
–5
0.1
1
10
100
1k
10k
100k
1M
10M
FREQUENCY – MHz
FUNDAMENTAL FREQUENCY – Hz
Figure 22. Closed-Loop Gain vs. Temperature
Figure 25. Total Harmonic Distortion vs. Frequency; G = +1
2
–20
V
= +2.7V
S
V
R
= +5V
+ C
L
S
1
0
R
+ C TO 1.35V
L
L
G = +2
= +5V
–30
–40
–50
–60
L
V
S
V
TO 2.5V
CC
2
R
= 1k⍀ TO
L
V
= ؎5V
S
–1
–2
4.8V p-p
1V p-p
–3
–4
–5
G = +1
C
R
= 5pF
L
L
–70
–80
–90
= 1k⍀
4.6V p-p
–6
–7
4V p-p
–8
100k
1M
10M
FREQUENCY – Hz
100M
1k
10k
100k
1M
10M
FUNDAMENTAL FREQUENCY – Hz
Figure 23. Closed-Loop Gain vs. Supply Voltage
Figure 26. Total Harmonic Distortion vs. Frequency; G = +2
REV. B
–9–
ADI [ ADI ]
