Datasheet

AD8571/AD8572/AD8574
Rev. E | Page 8 of 24
60
40
50
10
20
30
–10
0
–40
–30
–20
100 10k1k 1M100k 10M
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
V
S
= 2.7V
C
L
= 20pF
R
L
= 2kΩ
A
V
= 100
A
V
= 10
A
V
= 1
01104-019
Figure 19. Closed-Loop Gain vs. Frequency
60
40
50
10
20
30
–10
0
–40
–30
–20
100 10k1k 1M100k 10M
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
V
S
= 5V
C
L
= 20pF
R
L
= 2kΩ
A
V
= 100
A
V
= 10
A
V
= 1
01104-020
Figure 20. Closed-Loop Gain vs. Frequency
300
240
270
150
180
210
90
120
0
30
60
100 10k1k 10M
OUTPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
A
V
= 1
A
V
= 100
A
V
= 10
V
S
= 2.7V
0
1104-021
1M100k
Figure 21. Output Impedance vs. Frequency
300
240
270
150
180
210
90
120
0
30
60
100 10k1k 10M
OUTPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
A
V
= 1
A
V
= 100
A
V
= 10
V
S
= 5V
01104-022
1M100k
Figure 22. Output Impedance vs. Frequency
V
S
= 2.7V
C
L
= 300pF
R
L
= 2kΩ
A
V
= 1
2µs 500mV
0
1104-023
Figure 23. Large Signal Transient Response
V
S
= 5V
C
L
= 300pF
R
L
= 2kΩ
A
V
= 1
01104-024
5µs 1V
Figure 24. Large Signal Transient Response