Datasheet

ADG408/ADG409
Rev. C | Page 12 of 16
OUTPUT
ADG408
1
A0
A1
A2
50Ω
300Ω
GND
S1
S2–S8
D
35pF
V
IN
EN
V
DD
V
SS
V
DD
V
SS
V
S
1
SIMILAR CONNECTION FOR ADG409.
3V
0V
O
UTPUT
50% 50%
t
OFF
(EN) t
ON
(EN)
0.9V
O
0.9V
O
ENABLE
D
R
IVE (V
IN
)
00027-024
Figure 24. Enable Delay, t
ON
(EN), t
OFF
(EN)
3V
V
IN
V
OUT
Q
INJ
=C
L
× ΔV
OUT
ΔV
OUT
DS
EN
GND
C
L
10nF
V
OUT
V
IN
R
S
V
S
V
DD
V
SS
V
DD
V
SS
A0
A1
A2
ADG408
1
1
SIMILAR CONNECTION FOR ADG409.
00027-025
Figure 25. Charge Injection
OFF ISOLATION = 20 log V
OUT
/V
IN
ADG408
A0
A1
A2
EN
GND
D
S1
S8
0V
1kΩ
V
OUT
V
S
V
SS
V
DD
V
SS
V
DD
00027-026
Figure 26. Off Isolation
ADG408
A0
A1
A2
EN
GND
D
S1
S8
1kΩ1kΩ
S2
2.4V
CROSSTALK = 20 log V
OUT
/V
IN
V
SS
V
DD
V
SS
V
DD
V
OUT
V
S
0
0027-027
Figure 27. Channel-to-Channel Crosstalk