AD8603/AD8607/AD8609
1000
100
80
225
180
V
R
C
= ±0.9V
= 100kΩ
= 20pF
S
V
T
= 1.8V
= 25°C
S
A
L
L
100
10
φ = 70°
60
40
20
135
90
45
SOURCE
SINK
0
–20
–40
–60
–80
0
1
0.1
–45
–90
–135
–180
0.01
0.001
–100
–225
10M
10
0.01
0.1
LOAD CURRENT (mA)
1
1
10
100
1M
FREQUENCY (Hz)
Figure 30. Output Voltage to Supply Rail vs. Load Current
Figure 33. Open-Loop Gain and Phase vs. Frequency
100
140
120
90
80
70
60
50
40
30
20
10
0
V
= 1.8V
V
= 1.8V
S
S
100
80
V
– V @ 1mA LOAD
OH
DD
60
40
20
V
@ 1mA LOAD
OL
0
–20
–40
–60
100
–10
–40 –25
5
20
35
50
65 80
95 110 125
1k
10k
FREQUENCY (Hz)
100k
TEMPERATURE (°C)
Figure 31. Output Voltage Swing vs. Temperature
Figure 34. Common-Mode Rejection Ratio vs. Frequency
60
50
40
30
20
10
0
1.8
1.5
1.2
0.9
0.6
V
T
A
= 1.8V
S
A
V
V
= 1.8V
S
= 25°C
= 1.7V p-p
IN
= 1
V
T = 25°C
= 1
A
V
OS–
OS+
0.3
0.0
10
100
LOAD CAPACITANCE (pF)
1000
0.01
0.1
1
10
100
FREQUENCY (kHz)
Figure 35. Closed-Loop Output Voltage Swing vs. Frequency
Figure 32. Small Signal Overshoot vs. Load Capacitance
Rev. B | Page 10 of 20
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