AD8031B Analog Devices, AD8031B Datasheet - Page 9

• Manufacturer Part Number: AD8031B
• Description: 2.7 V/ 800 uA/ 80 MHz Rail-to-Rail I/O Amplifiers
• Manufacturer: Analog Devices

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