Datasheet

ADG804 Data Sheet
Rev. A | Page 12 of 16
DECODER
GND
A1 A2
EN
V
DD
V
DD
V
OUT
C
L
1nF
R
8
V
8
V
OUT
Q
INJ
= C
L
V
OUT
V
OUT
CHARGE INJECTION = V
OUT
 C
L
V
IN
SW ON
SW OFF
04307-0-024
SW OFF
Figure 24. Charge Injection
NETWORK
ANALYZER
V
DD
GND
OFF ISOLATION = 20 LOG
V
DD
0.1F
S
D
50
50
50
V
S
V
OUT
R
L
V
OUT
V
S
04307-0-025
Figure 25. Off Isolation
NETWORK
ANALYZER
V
DD
GND
OFF ISOLATION = 20 LOG
V
DD
0.1F
Sx*
D
50
50
V
S
V
OUT
R
L
V
OUT
WITH SWITCH
V
OUT
WITHOUT SWITCH
04307-0-026
*UNUSED CHANNELS TERMINATED WITH 50 TO GROUND
Figure 26. Bandwidth
NETWORK
ANALYZER
V
DD
GND
CHANNEL-TO-CHANNEL CROSSTALK = 20 LO
G
V
DD
0.1F
S1
D
50
V
S
V
OUT
V
OUT
V
S
S2
04307-0-027
50
R
L
50
Figure 27. Channel-to-Channel Crosstalk