ADG708/ADG709
Data Sheet
V
V
V
3V
DD
SS
ENABLE
50%
50%
V
DRIVE (V
)
DD
SS
IN
A2
A1
A0
V
S1
S
0V
S2 TO S8
tOFF (EN)
0.9V
V
O
ADG708*
0.9V
O
O
V
OUTPUT
0V
EN
D
OUT
C
35pF
R
300Ω
GND
L
V
IN
L
50Ω
tON (EN)
*SIMILAR CONNECTION FOR ADG709.
Figure 26. Enable Delay, tON (EN), tOFF (EN)
V
V
V
V
3V
DD
SS
SS
LOGIC INPUT
(V
)
IN
DD
A2
A1
A0
0V
ADG708*
R
S
D
S
V
V
C
1nF
ΔV
OUT
OUT
OUT
V
L
S
EN
Q
= C × ΔV
OUT
INJ
L
V
GND
IN
*SIMILAR CONNECTION FOR ADG709.
Figure 27. Charge Injection
V
V
SS
DD
0.1µF
0.1µF
NETWORK
ANALYZER
V
V
SS
DD
A2
A1
A0
S
50Ω
50Ω
V
S
D
V
OUT
2.4V
EN
R
L
50Ω
GND
V
OUT
OFF ISOLATION = 20 log
V
S
Figure 28. Off Isolation
V
V
SS
DD
0.1µF
0.1µF
V
V
DD
SS
A2
A1
A0
S1
EN
2.4V
NETWORK
ANALYZER
ADG708*
50Ω
D
NETWORK
V
OUT
ANALYZER
R
50Ω
L
50Ω
S2
S8
GND
V
S
*SIMILAR CONNECTION FOR ADG709.
CHANNEL-TO-CHANNEL CROSSTALK = 20 log
V
OUT
V
S
Figure 29. Channel-to-Channel Crosstalk
Rev. D | Page 1± of 20
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