Precision, Low-Voltage Analog Switches
_________________________________Test Circuits/Timing Diagrams (continued)
SIGNAL
GENERATOR
MAX381
MAX383
MAX385
ANALYZER
CH A
CH B
RL
C +5V
V+
VCOM
NC or NO
GND
IN 0V or 2.4V
V-
C
-5V
FREQUENCY
TESTED
1MHz
SIGNAL
GENERATOR
AUTOMATIC
SYNTHESIZER
ANALYZER
TRACKING
SPECTRUM
ANALYZER
VCOM
OFF ISOLATION = 20log
VNC or NO
Figure 5. Off Isolation
SIGNAL
GENERATOR
MAX381
MAX383
MAX385
ANALYZER
CH A
CH B
0V or 2.4V
RL
+5V
C
COM V+
IN
NC or NO
GND
NC OR NO
IN2
COM
V-
50Ω
0V or 2.4V
C
-5V
FREQUENCY
TESTED
1MHz
SIGNAL
GENERATOR
AUTOMATIC
SYNTHESIZER
ANALYZER
TRACKING
SPECTRUM
ANALYZER
Figure 6. Crosstalk Test Circuit
MAX381
MAX383
MAX385
CAPACITANCE
METER
C
+5V
V+
COM
NC
or NO
GND
IN
0V or 2.4V
V-
C
-5V
Figure 7. Channel-Off Capacitance
MAX381
MAX383
MAX385
CAPACITANCE
METER
C
+5V
V+
COM
IN
0V or 2.4V
GND
V-
C
-5V
Figure 8. Channel-On Capacitance
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