Datasheet

AD8651/AD8652
Rev. C | Page 9 of 20
OPEN-LOOP GAIN (dB)
–20
0
20
40
60
80
100
120
140
PHASE (Degrees)
–180
–135
–90
–45
0
FREQUENCY (Hz)
10 100 1k 10k 100k 1M 10M 100M
V
S
= ±2.5V
03301-023
Figure 23. Open-Loop Gain and Phase vs. Frequency
OPEN-LOOP GAIN (dB)
112
113
117
116
115
114
TEMPERATURE (°C)
–50 0 50 100 150
V
S
= ±2.5V
R
L
= 1kΩ
03301-024
Figure 24. Open-Loop Gain vs. Temperature
60
70
130
120
110
100
90
80
140
OUTPUT VOLTAGE SWING FROM THE RAILS (mV)
0 100 150 250200
I
L
=4.2mA
I
L
=2.5mA
V
S
=±2.5V
I
L
=250µA
OPEN-LOOP GAIN (dB)
50
03301-025
Figure 25. Open-Loop Gain vs. Output Voltage Swing
G = 100
G = 10
G = 1
V
S
= ±2.5V
R
L
= 1MΩ
C
L
= 47pF
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
5k
–40
–20
20
0
60
40
50k 5M500k 50M 300M
0
3301-026
Figure 26. Closed-Loop Gain vs. Frequency
MAXIMUM OUTPUT SWING (V)
0
6
3
4
5
2
1
FREQUENCY (Hz)
100k 100M10M1M
V
S
= 5V
V
S
= 2.7V
0
3301-027
Figure 27. Maximum Output Swing vs. Frequency
V
S
= ±2.5V
C
L
= 47pF
A
V
= 1
VOLTAGE (1V/DIV)
TIME (100µs/DIV)
0
3301-028
Figure 28. Large Signal Response