ADA4431-1
Rev. 0 | Page 7 of 12
TYPICAL PERFORMANCE CHARACTERISTICS
VS = 3.0 V (@ TA = 25°C, VIN = 1 V p-p, RL = 150 Ω, unless otherwise noted).
10
0
–10
–20
–30
–40
–50
–60
–70
N
OR
M
A
L
IZE
D
GA
IN
(
d
B
)
0.1
1
10
100
FREQUENCY (MHz)
CHARGE PUMP ON
CHARGE PUMP OFF
06
73
4-
00
5
Figure 5. Large Signal Frequency Response
1
0
–5
–4
–3
–2
–1
N
OR
M
A
L
IZE
D
GA
IN
(
d
B
)
0.1
1
10
FREQUENCY (MHz)
CHARGE PUMP ON
CHARGE PUMP OFF
06
73
4-
00
6
Figure 6. Frequency Response Flatness
–60
–105
–100
–95
–90
–85
–80
–75
–70
–65
N
OR
M
A
L
IZE
D
GA
IN
(
d
B
)
0.1
1
10
100
FREQUENCY (MHz)
DIS = 0V
06
73
4-
00
7
Figure 7. Input-to-Output Isolation vs. Frequency
60
0
10
20
30
40
50
GR
OU
P
D
E
L
A
Y
(
n
s)
0.1
1
10
100
FREQUENCY (MHz)
CHARGE PUMP OFF
CHARGE PUMP ON
06
73
4-
00
8
Figure 8. Group Delay vs. Frequency
0
–5
–10
–15
–20
–25
–30
–35
–40
–45
–50
P
S
R
(
d
B)
0.1
1
10
100
FREQUENCY (MHz)
CHARGE PUMP ON
CHARGE PUMP OFF
VIN = 100mV p-p
DIS = 3V
06
73
4-
0
09
Figure 9. PSRR vs. Frequency
10
0
–10
–20
–30
–40
–50
–60
N
OR
M
A
L
IZE
D
GA
IN
(
d
B
)
0.1
1
10
100
FREQUENCY (MHz)
+25°C
0°C
–40°C
+85°C
06
73
4-
01
0
Figure 10. Frequency Response for Various Temperatures