Datasheet

Data Sheet
AD8655/AD8656
Rev. D | Page 9 of 20
120
100
80
60
40
20
0
–20
–40
10k 100k 1M
FREQUENCY (Hz)
10M 100M
GAIN (dB)
05304-015
–
90
–135
–
180
–
225
PHASE SHIFT (Degrees)
–45
V
S
= ±
2.5V
C
LOAD
= 11.5pF
PHASE MARGIN = 69
°
Figure 23. Open-Loop Gain and Phase vs. Frequency
140.00
130.00
120.00
110.00
90.00
–50 0 50
TEMPERATURE (°C)
100 150
A
VO
(dB)
05304-016
V
S
= ±2.5V
R
L
= 10kΩ
100.00
Figure 24. Large Signal Open-Loop Gain vs. Temperature
40
50
30
20
1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M
CLOSED-LOOP GAIN (dB)
05304-017
V
S
= ±2.5V
R
L
= 1MΩ
C
L
= 47pF
10
0
–10
–20
Figure 25. Closed-Loop Gain vs. Frequency
6
5
4
3
2
1
0
10k
100k 1M
FREQUENCY (Hz)
10M
OUTPUT (V)
05304-018
V
S
= ±
2.5V
V
IN
= 5V
G = +1
Figure 26. Maximum Output Swing vs. Frequency
T
2
V
S
= ±2.5V
C
L
= 100pF
GAIN = +1
V
IN
= 4V
05304-022
TIME (10µs/DIV)
V
OUT
(1V/DIV)
Figure 27. Large Signal Response
2
T
V
S
=
±2.5V
C
L
= 100pF
G = +1
05304-023
TIME (1µs/DIV)
V
OUT
(100mV/DIV)
Figure 28. Small Signal Response
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