Datasheet

AD8021
Rev. F | Page 10 of 28
FREQUENCY (Hz)
0.1M 1G1M
GAIN (dB)
10M 100M
9
8
7
6
5
4
3
2
1
0
10
R
L
= 1kΩ
G = +2
R
L
= 100Ω
01888-011
Figure 11. Large Signal Frequency Response vs. Frequency and
Load, Noninverting (See
Figure 49)
FREQUENCY (Hz)
1G1M
GAIN (dB)
10M 100M
9
8
7
6
5
4
3
2
1
0
–1
G = +2
+85°C
–40°C
+25°C
+85°C
V
OUT
=
2V p-p
V
OUT
=
50mV p-p
–40°C
+25°C
01888-012
Figure 12. Frequency Response vs. Frequency, Temperature, and
V
OUT
, Noninverting (See Figure 48)
FREQUENCY (Hz)
1G1M
GAIN (dB)
10M
100M
15
12
9
6
3
0
–3
–6
–9
–12
18
G = +2
50pF
30pF
20pF
10pF
0pF
01888-013
Figure 13. Small Signal Frequency Response vs.
Frequency and Capacitive Load, Noninverting, V
OUT
= 50 mV p-p
(See
Figure 49 and Figure 71)
FREQUENCY (Hz)
1G0.1M 10M 100M
GAIN (dB)
9
8
7
6
5
4
3
2
1
0
10
1M
R
F
= 1kΩ AND C
F
= 2.2pF
G = +2
R
F
= R
G
R
F
= 150Ω
R
F
= 1kΩ
R
F
= 499Ω
R
F
= 250Ω
R
F
= 75Ω
01888-014
Figure 14. Small Signal Frequency Response vs. Frequency and R
F
,
Noninverting, V
OUT
= 50 mV p-p (See Figure 48)
FREQUENCY (Hz)
0.1M 1G1M
GAIN (dB)
10M 100M
12
9
6
3
0
–3
–6
–9
–12
–15
15
G = +2
R
S
= 49.9Ω
R
S
= 100Ω
R
S
= 249Ω
01888-015
Figure 15. Small Signal Frequency Response vs. Frequency and R
S
,
Noninverting, V
OUT
= 50 mV p-p (See Figure 48)
FREQUENCY (Hz)
100k 1G1M
OPEN-LOOP GAIN (dB)
10M 100M
100
90
80
70
60
50
40
30
20
10
0
PHASE (Degrees)
90
45
0
–45
–90
–135
135
180
10k
01888-016
Figure 16. Open-Loop Gain and Phase vs. Frequency, R
G
= 100 Ω,
R
F
= 1 kΩ, R
O
= 976 Ω, R
D
= 53.6 Ω, C
C
= 0 pF (See Figure 50)