Datasheet

AD8677
Rev. A | Page 9 of 16
10
1
0.1
0.01 0.1 1 10 100
05578-023
V
SY
–
V
OUT
(V)
I
LOAD
(mA)
V
OH
= +V
OUT
V
OL
= –V
OUT
V
S
= ±15V
Figure 21. Output Voltage Swing vs. Load Current
10
1
0.1
0.01 0.1 1 10 100
05578-024
I
LOAD
(mA)
V
S
= ±5V
V
SY
–
V
OUT
(V)
V
OH
= +V
OUT
V
OL
= –V
OUT
Figure 22. Output Voltage Swing vs. Load Current
100
–40
–20
0
20
40
60
80
100
0
20
40
60
80
100 1k 10k 100k 1M 10M
05578-025
GAIN
PHASE MARGIN (Degrees)
FREQUENCY (Hz)
GAIN
PHASE
V
S
= ±15V
R
L
= ∞
C
L
= 20pF
Φ
m
= 80 Degrees
Figure 23. Open-Loop Gain and Phase vs. Frequency
50
–10
0
10
20
30
40
100 1k 10k 100k 1M
05578-026
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
V
S
=±15V
V
IN
= 28mV
R
L
= ∞
C
L
= 20pF
G=+1
G=+10
G=+100
Figure 24. Closed-Loop Gain vs. Frequency
50
–10
0
10
20
30
40
100 1k 10k 100k 1M
05578-027
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
V
S
=±5V
V
IN
= 28mV
R
L
= ∞
C
L
= 20pF
G=+1
G=+10
G=+100
Figure 25. Closed-Loop Gain vs. Frequency
30
0
5
10
15
20
25
01108
–OS
+OS
642
05578-028
OVERSHOOT (%)
C
LOAD
(nF)
2
V
S
= ±15V
V
IN
= ±50mV
G = +1
Figure 26. Overshoot vs. Capacitive Load