AD8021_15 Datasheet, PDF (11/29 Pages) Analog Devices – Low Noise, High Speed Amplifier for 16-Bit Systems

AD8021
10
G = +2
9
8
7
6
5
4
R_L = 1kΩ
3
R_L = 100Ω
2
1
0
0.1M
1M
10M
100M
1G
FREQUENCY (Hz)
Figure 11. Large Signal Frequency Response vs. Frequency and
Load, Noninverting (See Figure 49)
9
G = +2
8
7
+85°C
+25°C
6
5
–40°C
V_OUT =
4
+85°C
50mV p-p
3
V_OUT =
2V p-p
2
1
+25°C
0
–1
1M
–40°C
10M
100M
1G
FREQUENCY (Hz)
Figure 12. Frequency Response vs. Frequency, Temperature, and
VOUT, Noninverting (See Figure 48)
18
G = +2
15
12
9
6
3
0
–3
–6
–9
–12
1M
50pF
30pF
20pF
10pF
0pF
10M
100M
1G
FREQUENCY (Hz)
Figure 13. Small Signal Frequency Response vs.
Frequency and Capacitive Load, Noninverting, VOUT = 50 mV p-p
(See Figure 49 and Figure 71)
10
G = +2
9 RF = RG
8
R_F = 499Ω
R_F = 1kΩ
7
R_F = 250Ω
6
R_F = 150Ω
5
4
3
2
R_F = 75Ω
1
R_F = 1kΩ AND C_F = 2.2pF
0
0.1M
1M
10M
100M
1G
FREQUENCY (Hz)
Figure 14. Small Signal Frequency Response vs. Frequency and RF,
Noninverting, VOUT = 50 mV p-p (See Figure 48)
15
G = +2
12
9
6
3
R_S = 49.9Ω
0
–3
–6
R_S = 100Ω
–9
R_S = 249Ω
–12
–15
0.1M
1M
10M
100M
1G
FREQUENCY (Hz)
Figure 15. Small Signal Frequency Response vs. Frequency and RS,
Noninverting, VOUT = 50 mV p-p (See Figure 48)
100
90
80
70
180
60
135
50
90
40
45
30
0
20
–45
10
–90
0
–135
10k
100k
1M
10M
100M
1G
FREQUENCY (Hz)
Figure 16. Open-Loop Gain and Phase vs. Frequency, RG = 100 Ω,
RF = 1 kΩ, RO = 976 Ω, RD = 53.6 Ω, CC = 0 pF (See Figure 50)
Rev. F | Page 10 of 28