Datasheet

AD8591/AD8592/AD8594
Rev. B | Page 8 of 16
80
60
40
0
20
100
120
140
160
180
200
FREQUENCY (Hz)
IMPEDANCE (
Ω)
1k 10k 100k 1M 10M 100M
A
V
= 10
A
V
= 1
V
S
= 5V
T
A
= 25°C
01106-018
Figure 17. Closed-Loop Output Impedance vs. Frequency
110
90
50
80
70
60
100
FREQUENCY (Hz)
CMRR (dB)
1k 10k 100k 1M 10M
V
S
= 5V
T
A
= 25°C
01106-019
Figure 18. Common-Mode Rejection Ratio vs. Frequency
80
60
40
0
20
100
120
140
–20
–40
–60
FREQUENCY (Hz)
PSRR (dB)
100 1k 10k 100k 1M 10M
V
S
= 2.5V
T
A
= 25°C
+PSRR
–PSRR
01106-020
Figure 19. Power Supply Rejection Ratio vs. Frequency
80
60
40
0
20
100
120
140
–20
–40
–60
FREQUENCY (Hz)
PSRR (dB)
100 1k 10k 100k 1M 10M
V
S
= 5V
T
A
= 25°C
+PSRR
–PSRR
01106-021
Figure 20. Power Supply Rejection Ratio vs. Frequency
60
50
0
30
20
10
40
CAPACITANCE (pF)
SMALL SIGNAL OVERSHOOT (%)
10 100 1k 10k
V
S
= 2.5V
R
L
= 2kΩ
T
A
= 25°C
+OS
–OS
01106-022
Figure 21. Small Signal Overshoot vs. Load Capacitance
60
50
0
30
20
10
40
CAPACITANCE (pF)
SMALL SIGNAL OVERSHOOT (%)
10 100 1k 10k
V
S
= 5V
R
L
= 2kΩ
T
A
= 25°C
+OS
–OS
01106-023
Figure 22. Small Signal Overshoot vs. Load Capacitance