Precision, 8-Channel/Dual 4-Channel,
High-Performance, CMOS Analog Multiplexers
______________________________________________Test Circuits/Timing Diagrams
+15V
V+
A2
A1
A0
NO1
NO2-NO7
±10V
MAX308/MAX309
MAX308
EN
GND
50Ω
+15V
V+
A1
A0
-15V
V-
NO8
COM
+10V
VOUT
35pF
300Ω
LOGIC
INPUT
+3V
50%
0V
V
NO1
SWITCH
OUTPUT
V
OUT
tr < 20ns
tf < 20ns
90%
NO1B
NO1A-NO4A
±10V
0V
90%
V
NO8
MAX309
EN
GND
50Ω
NO4B
COMB
V-
300Ω
+10V
VOUT
35pF
t
TRANS
ON
t
TRANS
-15V
Figure 2. Transition Time
+15V
V+
NO1
NO2-NO8
A0
A1
A2
COM
50Ω
GND
V-
1k
-15V
+15V
EN
V+
NO1B
-5V
SWITCH
OUTPUT
90%
V
OUT
V
OUT
35pF
LOGIC
INPUT
+3V
50%
0V
t
ON(EN)
0V
10%
-5V
EN
MAX308
tr < 20ns
tf < 20ns
t
OFF(EN)
A0
A1
50Ω
NO1A-NO4A
NO2B-NO4B,
COMA
MAX309
GND
COMB
V-
1k
-15V
V
OUT
35pF
Figure 3. Enable Switching Time
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