Datasheet

AD8031/AD8032 Data Sheet
Rev. F | Page 10 of 20
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
5
4
–5
3
2
1
0
–1
–2
–3
–4
0.1 1 10 100
V
S
=5V
G=+1
R
L
=1kΩ
01056-026
Figure 26. Unity Gain, −3 dB Bandwidth
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
–5
3
2
1
0
–1
–2
–3
–4
V
S
= 5V
V
IN
= –16dBm
0.1 1 10 100
+85°C
+25°C
–40°C
V
S
V
IN
50Ω
2kΩ
V
OUT
01056-027
Figure 27. Closed-Loop Gain vs. Temperature
1M
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
–8
2
1
0
–1
–4
–5
–6
–7
–2
–3
100k 10M 100M
G=+1
C
L
=5pF
R
L
=1kΩ
V
S
=+5V
R
L
+C
L
TO 2.5V
V
S
= +2.7V
R
L
+C
L
TO 1.35V
V
S
=±5V
01056-028
Figure 28. Closed-Loop Gain vs. Supply Voltage
FREQUENCY (MHz)
PHASE (Degrees)
–20
30
20
10
0
–10
40
–90
–135
–180
–225
PHASE
GAIN
OPEN-LOOP GAIN (dB)
1001010.3
01056-029
Figure 29. Open-Loop Frequency Response
10M
FUNDAMENTAL FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION (dBc)
–80
–
20
–30
–40
–50
–60
–70
1k 10k 100k 1M
2V p-p
V
S
=2.7V
1.3V p-p
V
S
=2.7V
4.8V p-p
V
S
=5V
2
G=+1,R
L
=2kΩ TO
V
CC
2.5V p-p
V
S
=2.7V
01056-030
Figure 30. Total Harmonic Distortion vs. Frequency; G = +1
FUNDAMENTAL FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION (dBc)
–80
–
20
–30
–40
–50
–60
–70
–90
–100
1k 10k 100k 1M 10M
G=+2
V
S
=5V
R
L
=1kΩ TO
2
V
CC
1V p-p
4V p-p
4.6V p-p
4.8V p-p
0
1056-031
Figure 31. Total Harmonic Distortion vs. Frequency; G +2