Datasheet

ADA4505-1/ADA4505-2/ADA4505-4
Rev. D | Page 9 of 24
T
A
= 25°C, unless otherwise noted.
100
80
60
40
20
0
–20
–40
–60
–80
–100
225
180
135
90
45
0
–45
–90
–135
–180
–225
100 1k 10k 100k 1M
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
PHASE (Degrees)
07416-025
V
SY
= 1.8V
PHASE
GAIN
Figure 25. Open-Loop Gain and Phase vs. Frequency
60
50
40
30
20
10
0
–10
–20
–30
–40
–50
–60
100 1k 10k 100k 1M
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
07416-027
V
SY
= 1.8V
G = –1
G = –10
G = –100
Figure 26. Closed-Loop Gain vs. Frequency
10k
1k
100
10
1
0.1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
Z
OUT
()
07416-062
V
SY
= 1.8V
G = –10
G = –100
G = –1
Figure 27. Output Impedance vs. Frequency
100
80
60
40
20
0
–20
–40
–60
–80
–100
100 1k 10k 100k 1M
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
V
SY
= 5V
225
180
135
90
45
0
–45
–90
–135
–180
–225
PHASE (Degrees)
07416-026
PHASE
GAIN
Figure 28. Open-Loop Gain and Phase vs. Frequency
60
50
40
30
20
10
0
–10
–20
–30
–40
–50
–60
100 1k 10k 100k 1M
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
07416-028
V
SY
= 5V
G = –1
G = –10
G = –100
Figure 29. Closed-Loop Gain vs. Frequency
10k
1k
100
10
1
0.1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
Z
OUT
()
07416-063
V
SY
= 5V
G = –1
G = –10
G = –100
Figure 30. Output Impedance vs. Frequency