Data Sheet
100
80
60
40
V
S
= ±2.5V
T
A
= 25°C
Ø
m
= 63°
225
180
AD8615/AD8616/AD8618
120
V
S
= ±2.5V
100
135
90
PHASE (Degrees)
80
GAIN (dB)
20
0
–20
–40
–60
–80
45
0
–45
–90
–135
–180
CMRR (dB)
04648-012
60
40
20
10M
FREQUENCY (Hz)
1k
10k
100k
FREQUENCY (Hz)
1M
10M
Figure 12. Open-Loop Gain and Phase vs. Frequency
5.0
4.5
4.0
V
S
= 5.0V
V
IN
= 4.9V p-p
T
A
= 25°C
R
L
= 2kΩ
A
V
= 1
120
Figure 15. CMRR vs. Frequency
V
S
= ±2.5V
100
OUTPUT SWING (V p-p)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1k
80
PSRR (dB)
60
40
20
0
10k
100k
FREQUENCY (Hz)
1M
10M
04648-013
FREQUENCY (Hz)
Figure 13. Closed-Loop Output Voltage Swing vs. Frequency
100
V
S
= ±2.5V
90
80
45
50
V
S
= 5V
R
L
=
∞
T
A
= 25°C
A
V
= 1
Figure 16. PSRR vs. Frequency
SMALL-SIGNAL OVERSHOOT (%)
40
35
30
25
20
15
10
5
OUTPUT IMPEDANCE (Ω)
70
60
50
40
30
20
10
0
1k
A
V
= 100
A
V
= 10
A
V
= 1
–OS
+OS
10
100
CAPACITANCE (pF)
1000
FREQUENCY (Hz)
Figure 14. Output Impedance vs. Frequency
Figure 17. Small-Signal Overshoot vs. Load Capacitance
Rev. G | Page 7 of 20
04648-017
10k
100k
1M
10M
100M
04648-014
0
04648-016
1k
10k
100k
1M
10M
04648-015
–100
1M
–225
60M
0
AD [ ANALOG DEVICES ]
