AD8551/AD8552/AD8554
60
300
V
= 5V
SY
V
C
R
= 2.7V
= 0pF
= 2kΩ
SY
50
270
240
210
180
150
120
90
L
L
A
= –100
= –10
V
40
30
20
A
V
10
0
A
= +1
V
A
= 100
V
–10
–20
–30
–40
A
= 10
V
60
A
= 1
V
30
0
100
1k
10k
100k
1M
10M
10M
10M
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 19. Closed-Loop Gain vs. Frequency at 2.7 V
Figure 22. Output Impedance vs. Frequency at 5 V
60
50
V
C
R
A
= 2.7V
SY
V
C
R
= 5V
= 0pF
= 2kΩ
SY
= 300pF
= 2kΩ
= 1
L
L
V
L
L
A
= –100
= –10
V
40
30
20
A
V
10
0
A
= +1
V
–10
–20
–30
–40
500mV
2µs
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 20. Closed-Loop Gain vs. Frequency at 5 V
Figure 23. Large Signal Transient Response at 2.7 V
300
V
= 5V
= 300pF
= 2kΩ
= 1
SY
V
= 2.7V
SY
C
R
A
270
240
210
180
150
120
90
L
L
V
A
= 100
V
60
A
= 10
V
30
A
= 1
1M
5µs
1V
V
0
100
1k
10k
100k
FREQUENCY (Hz)
Figure 21. Output Impedance vs. Frequency at 2.7 V
Figure 24. Large Signal Transient Response at 5 V
Rev. C | Page 8 of 24
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