Im p ro ve d , Du a l, Hig h -S p e e d An a lo g S w it c h e s
_________________________________Tim in g Dia g ra m s /Te s t Circ u it s (c o n t in u e d )
+15V
+5V
C
C
DG401
DG403
DG405
SIGNAL
GENERATOR
V
L
V+
D
S
FREQUENCY
TESTED
SIGNAL
GENERATOR
ANALYZER
0V or 2.4V
TRACKING
SPECTRUM
ANALYZER
IN
AUTOMATIC
SYNTHESIZER
1MHz
ANALYZER
CH A
C
GND
V-
CH B
V
R
S
L
OFF ISOLATION = 20log
V
D
-15V
C = 5pF
100Ω
Figure 5. Off Isolation
+15V
V+
+5V
C
C
DG401
DG403
DG405
SIGNAL
GENERATOR
50Ω
V
L
S
D
FREQUENCY
TESTED
SIGNAL
GENERATOR
IN1
S
IN2
D
ANALYZER
0V or 2.4V
0V or 2.4V
TRACKING
SPECTRUM
ANALYZER
ANALYZER
CH A
CH B
AUTOMATIC
SYNTHESIZER
1MHz
C
GND
V-
R
L
-15V
100Ω
C = 5pF
Figure 6. Crosstalk
+15V
+5V
+15V
V+
+5V
C
C
C
C
DG401
DG403
DG405
DG401
DG403
DG405
V
L
V+
D
V
L
D
CAPACITANCE
METER
CAPACITANCE
METER
IN
IN
0V or 2.4V
0V or 2.4V
C
S
S
C
GND
V-
GND
V-
-15V
-15V
Figure 7. Channel-Off Capacitance
Figure 8. Channel-On Capacitance
_______________________________________________________________________________________
7
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
