ADG408/ADG409
V
V
V
V
DD
SS
SS
3V
DD
A0
A1
A2
ENABLE
50%
50%
DRIVE (V
)
S1
S2–S8
V
IN
S
0V
ADG4081
tON (EN)
tOFF (EN)
0.9V
OUTPUT
0.9V
D
EN
O
O
OUTPUT
V
35pF
IN
50Ω
300Ω
GND
1
SIMILAR CONNECTION FOR ADG409.
Figure 24. Enable Delay, tON (EN), tOFF (EN)
V
V
V
V
DD
DD
SS
SS
3V
A0
A1
A2
V
V
IN
ADG4081
R
S
S
D
OUT
V
ΔV
OUT
OUT
EN
C
10nF
L
V
Q
= C × ΔV
S
INJ
L
OUT
GND
V
IN
1
SIMILAR CONNECTION FOR ADG409.
Figure 25. Charge Injection
V
V
V
V
V
V
DD
DD
SS
SS
DD
DD
SS
V
V
SS
2.4V
A0
A0
A1
A2
EN
D
A1
A2
S1
ADG408
ADG408
V
D
OUT
V
OUT
S1
S8
EN
1kΩ
1kΩ
1kΩ
S2
S8
0V
V
S
GND
GND
V
S
CROSSTALK = 20 log V
/V
OFF ISOLATION = 20 log V
/V
OUT IN
OUT IN
Figure 27. Channel-to-Channel Crosstalk
Figure 26. Off Isolation
Rev. C | Page 12 of 16
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