
AD8614/AD8644
Rev. B | Page 7 of 16
FREQUENCY (Hz)
O
U
T
P
U
T
S
W
IN
G
(
V
p
-p)
6
5
0
4
3
2
1
100
1k
10k
100k
1M
10M
VS =5V
AVCL =1
RL =2k
TA = 25°C
06
48
5-
01
6
Figure 16. Maximum Output Swing vs. Frequency, VS = 5 V
FREQUENCY (Hz)
OU
TP
U
T
S
W
IN
G
(
V
p
-p)
20
18
0
10
6
2
4
8
16
14
12
100
1k
10k
100k
1M
10M
VS = 18V
AVCL =1
RL =2k
TA = 25°C
06
48
5-
01
7
Figure 17. Maximum Output Swing vs. Frequency, VS = 18 V
FREQUENCY (Hz)
IM
P
E
DA
NCE
(
)
300
240
0
180
120
60
5V ≤ VS ≤ 18V
TA =25°C
AV =1
AV =10
AV =100
1k
10k
100k
1M
10M
06
48
5-
01
8
Figure 18. Closed-Loop Output Impedance vs. Frequency
FREQUENCY (Hz)
GA
IN
(
d
B
)
40
20
0
1k
10k
100k
1M
10M
100M
5V ≤ VS ≤ 18V
TA =25°C
06
48
5-
01
9
Figure 19. Closed-Loop Gain vs. Frequency
FREQUENCY (Hz)
CO
M
O
N
-M
O
D
E
RE
JE
CT
IO
N
(d
B)
100
80
60
0
20
40
120
140
100
1k
10k
100k
1M
10M
5V ≤ VS ≤ 18V
TA =25°C
06
48
5-
0
2
0
Figure 20. Common-Mode Rejection vs. Frequency
FREQUENCY (Hz)
P
O
W
E
R
S
U
P
L
Y
RE
JE
C
T
IO
N
(
d
B
)
100
0
80
60
40
20
10M
1M
100k
10k
1k
100
PSRR+
PSRR–
VS = 18V
TA = 25°C
06
485
-02
1
Figure 21. Power Supply Rejection vs. Frequency