Datasheet

AD8551/AD8552/AD8554 Data Sheet
Rev. F | Page 8 of 24
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
60
50
–40
40
30
20
10
0
–10
–20
–30
10k
100k
1M 10M
100
V
SY
= 2.7V
C
L
= 0pF
R
L
= 2kΩ
A
V
= –100
A
V
= –10
A
V
= +1
1k
01101-019
Figure 19. Closed-Loop Gain vs. Frequency at 2.7 V
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
60
50
–40
40
30
20
10
0
–10
–20
–30
10k
100k
1M 10M
100
V
SY
= 5V
C
L
= 0pF
R
L
= 2kΩ
A
V
= –100
A
V
= –10
A
V
= +1
1k
01101-020
Figure 20. Closed-Loop Gain vs. Frequency at 5 V
OUTPUT IMPEDANCE (Ω)
300
270
0
240
210
180
150
120
90
60
30
FREQUENCY (Hz)
10k 100k 1M 10M100 1k
V
SY
= 2.7V
A
V
= 100
A
V
= 10
A
V
= 1
01101-021
Figure 21. Output Impedance vs. Frequency at 2.7 V
OUTPUT IMPEDANCE (Ω)
300
270
0
240
210
180
150
120
90
60
30
FREQUENCY (Hz)
10k 100k
1M 10M
100
1k
V
SY
= 5V
A
V
= 100
A
V
= 10
A
V
= 1
01101-022
Figure 22. Output Impedance vs. Frequency at 5 V
2µs
V
SY
= 2.7V
C
L
= 300pF
R
L
= 2kΩ
A
V
= 1
500mV
01101-023
Figure 23. Large Signal Transient Response at 2.7 V
5µs
V
SY
= 5V
C
L
= 300pF
R
L
= 2kΩ
A
V
= 1
1V
01101-024
Figure 24. Large Signal Transient Response at 5 V