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