Precision, 8-Channel/Dual 4-Channel,
High-Performance, CMOS Analog Multiplexers
_________________________________Test Circuits/Timing Diagrams (continued)
10nF
+15V
+15V
V+
10nF
V
IN
V
V+
NO1
NO2
IN
NO1
NO8
R = 50Ω
S
MAX308
NO8
A0
A1
A2
COM
V
OUT
COM
V
A0
A1
A2
OUT
R = 50Ω
S
MAX308
EN
R = 1kΩ
L
R = 1kΩ
L
GND
V-
GND
EN
V-
10nF
10nF
-15V
-15V
V
OUT
OFF ISOLATION = 20log
V
OUT
V
IN
CROSSTALK = 20log
V
IN
Figure 6. Off Isolation
Figure 7. Crosstalk
+15V
V+
NO1
A2
Meter
Impedance
Analyzer
CHANNEL
SELECT
A1
MAX308
NO8
A0
or Equivalent
COM
f = 1MHz
GND
EN
V-
-15V
Figure 8. NO/COM Capacitance
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9
ROCHESTER [ Rochester Electronics ]
