AD8129/AD8130
80
70
60
50
40
100
10
V
= ±5V
S
180
135
90
45
0
GAIN
1
AD8130, G = +1
30
PHASE
+
100m
10m
1m
–
VOUT
20
10
+
–
2pF
1k
Ω
100
Ω
1kΩ
0
VIN
φ
= 58°
M
AD8129, G = +10
100k
–10
1k
10k
100k
1M
10M
100M 300M
1k
10k
1M
10M
100M
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 74. AD8130 Open-Loop Gain and Phase vs. Frequency
Figure 76. Closed-Loop Output Impedance vs. Frequency
90
80
70
60
50
40
30
20
10
0
180
GAIN
135
90
45
0
PHASE
= 56°
VOUT
2pF
1M
1k
Ω
100
Ω
1k
Ω
φ
M
VIN
1k
10k
100k
10M
100M
300M
FREQUENCY (Hz)
Figure 75. AD8129 Open-Loop Gain and Phase vs. Frequency
Rev. C | Page 22 of 40