Datasheet

AD8603/AD8607/AD8609
Rev. C | Page 10 of 16
LOAD CURRENT (mA)
OUTPUT VOLTAGE TO SUPPLY RAIL (mV)
0.001
0.01
0.1
10
100
0.01 0.1 1
10
1000
1
SINK
SOURCE
V
S
= 1.8V
T
A
= 25°C
04356-030
Figure 30. Output Voltage to Supply Rail vs. Load Current
TEMPERATURE (°C)
OUTPUT VOLTAGE SWING (mV)
–40
0
30
60
5
35
125
20
20
10
50
40
–25
70
80
90
100
–10
50 65 80 95 110
V
OL
@ 1mA LOAD
V
DD
– V
OH
@ 1mA LOAD
V
S
= 1.8V
04356-031
Figure 31. Output Voltage Swing vs. Temperature
LOAD CAPACITANCE (pF)
SMALL SIGN
A
L OVERSHOOT (%)
10
0
10
20
60
100 1000
30
50
40
V
S
= 1.8V
T
A
= 25°C
A
V
= 1
OS–
OS+
04356-032
Figure 32. Small Signal Overshoot vs. Load Capacitance
1k 10k 100k 1M 10M
V
S
= ±0.9V
R
L
= 100kΩ
C
L
= 20pF
Φ = 70°
FREQUENCY (Hz)
PHASE (Degrees)
OPEN-LOOP GAIN (dB)
20
–80
–20
80
100
60
40
0
–40
–60
–100
45
–180
–45
180
225
135
90
0
–90
–135
–225
04356-033
Figure 33. Open-Loop Gain and Phase vs. Frequency
100 1k 10k 100k
V
S
= 1.8V
CMRR (dB)
60
–40
20
120
140
100
80
40
0
–20
–60
FREQUENCY (Hz)
04356-034
Figure 34. CMRR vs. Frequency
0.01 0.1 1 10010
FREQUENCY (kHz)
OUTPUT VOLTAGE SWING (V p-p)
0
0.9
1.8
0.6
0.3
1.5
1.2
V
S
= 1.8V
V
IN
= 1.7V p-p
T
A
= 25°C
A
V
= 1
04356-035
Figure 35. Closed-Loop Output Voltage Swing vs. Frequency