AD8051ART Datasheet, PDF (12/25 Pages) Analog Devices – Low Cost, High Speed, Rail-to-Rail Amplifiers

6.3
6.2
6.1
6.0
5.9
5.8
5.7
5.6
V_S = 5V
G = +2
5.5 ^{RL = 150Ω}
R_F = 806Ω
5.4 VOUT = 0.2V p-p
5.3
0.1
1
10
100
FREQUENCY (MHz)
Figure 13. AD8051/AD8052 0.1 dB Gain Flatness vs. Frequency; G = +2
9
8
V_S = +5V
V_OUT = 2V p-p
7
6
5
4
3
2
V_S AS SHOWN
G = +2
V_S = ±5V
V_OUT = 4V p-p
1
R_F = 2kΩ
R_L = 2kΩ
0
V_OUT AS SHOWN
–1
0.1
1
10
100
500
FREQUENCY (MHz)
Figure 14. AD8051/AD8052 Large Signal Frequency Response; G = +2
80
70
V_S = 5V
R_L = 2kΩ
60
50
40
GAIN
30
0
20
PHASE
10
50° PHASE _–45
MARGIN
–90
0
–135
–10
–180
–20
0.01
0.1
1
10
FREQUENCY (MHz)
100
500
Figure 15. AD8051/AD8052 Open-Loop Gain and Phase vs. Frequency
AD8051/AD8052/AD8054
6.3
6.2
6.1
6.0
5.9
5.8
5.7
5.6
V_S = 5V
R_F = 200Ω
5.5 ^RL ^{= 150Ω}
G = +2
5.4 V_OUT = 0.2V p-p
5.3
1
10
100
FREQUENCY (MHz)
Figure 16. AD8054 0.1 dB Gain Flatness vs. Frequency; G = +2
9
8
V_S = +5V
V_OUT = 2V p-p
7
6
5
4
V_S = ±5V
3
V_OUT = 4V p-p
2
V_S AS SHOWN
G = +2
1 ^{RF = 2kΩ}
R_L = 2kΩ
0 ^VOUT ^{AS SHOWN}
–1
0.1
1
10
100
500
FREQUENCY (MHz)
Figure 17. AD8054 Large Signal Frequency Response; G = +2
80
70
V_S = 5V
R_L = 2kΩ
60
C_L = 5pF
50
40
GAIN
30
180
20
135
PHASE
45° PHASE
10
MARGIN 90
0
45
–10
0
–20
30k 100k
1M
10M
FREQUENCY (Hz)
100M 500M
Figure 18. AD8054 Open-Loop Gain and Phase Margin vs. Frequency
Rev. J | Page 11 of 24