Datasheet

ADG1221/ADG1222/ADG1223
Rev. A | Page 14 of 16
V
OUT
NETWORK
ANALYZER
R
L
50
50
INx
V
IN
Sx
Dx
50
OFF ISOLATION = 20 LOG
V
OUT
V
S
V
S
V
DD
V
SS
0.1µF
V
DD
0.1µF
V
SS
GND
06574-014
ADG1221/ADG1222/
ADG1223
Figure 29. Test Circuit 7—Off Isolation
CHANNEL-TO-CHANNEL CROSSTALK = 20 LOG
V
OUT
GND
ADG1221/ADG1222/
ADG1223
S1
Dx
S2
V
OUT
NETWORK
ANALYZER
R
L
50
50
V
S
V
S
V
DD
V
SS
0.1µF
V
DD
0.1µF
V
SS
06574-015
Figure 30. Test Circuit 8—Channel-to-Channel Crosstalk
V
OUT
NETWORK
ANALYZER
R
L
50
V
IN
INSERTION LOSS = 20 LOG
V
OUT
WITH SWITCH
V
OUT
WITHOUT SWITCH
V
S
V
DD
V
SS
0.1µF
V
DD
0.1µF
V
SS
GND
06574-016
50
INx
Sx
Dx
ADG1221/ADG1222/
ADG1223
Figure 31. Test Circuit 9—Bandwidth
V
OUT
AUDIO PRECISION
R
L
10k
V
IN
V
S
V p-p
V
DD
V
SS
0.1µF
V
DD
0.1µF
V
SS
GND
06574-017
R
S
50
INx
Sx
Dx
ADG1221/ADG1222/
ADG1223
Figure 32. Test Circuit 10—Total Harmonic Distortion + Noise