Precision, Dual-Supply, SPST
Analog Switches
_________________________________Test Circuits/Timing Diagrams (continued)
SIGNAL
GENERATOR 0dBm
10nF +5V
V+
COM
ANALYZER
COM NC
or NO
RL
Figure 5. Off Isolation
MAX320
MAX321
MAX322
IN
VIN
V-
-5V 10nF
SIGNAL
GENERATOR 0dBm
0V or 2.4V
ANALYZER
RL
10nF +5V
V+
COM1
IN1
N02
Figure 6. Crosstalk
MAX320
MAX321
MAX322
N01
50Ω
IN2
VIN
COM2
N.C.
V-
-5V 10nF
10nF +5V
V+
COM
MAX320
MAX321
MAX322
CAPACITANCE
METER
f = 1MHz
NC or
NO
IN
VIN
V-
-5V 10nF
Figure 7. Channel-Off Capacitance
CAPACITANCE
METER
f = 1MHz
+5V
10nF
V+
COM
NC or
NO
MAX320
MAX321
MAX322
IN
VIN
V-
-5V 10nF
Figure 8. Channel-On Capacitance
_______________________________________________________________________________________ 7