Datasheet
MAX308/MAX309
Precision, 8-Channel/Dual 4-Channel,
High-Performance, CMOS Analog Multiplexers
_______________________________________________________________________________________ 7
______________________________________________Test Circuits/Timing Diagrams
50%
t
TRANS
tr < 20ns
t
f
< 20ns
V
OUT
+3V
0V
V
NO1
0V
V
NO8
LOGIC
INPUT
SWITCH
OUTPUT
+15V
V
OUT
-15V
GND
V+
A1
V-
A2
A0
EN
NO1
NO2-NO7
NO8
COM
±10V
+10V
50Ω
MAX308
300Ω
35pF
+15V
V
OUT
-15V
GND
V+
A0
V-
A1
EN
NO1B
NO1A-NO4A
NO4B
COMB
±10V
50Ω
MAX309
300Ω
35pF
90%
90%
t
TRANS
ON
+10V
50%
t
OFF(EN)
tr < 20ns
t
f
< 20ns
V
OUT
+3V
0V
0V
LOGIC
INPUT
SWITCH
OUTPUT
+15V
V
OUT
-15V
GND
V+
A1
V-
A0
A2
EN
NO1
NO2-NO8
COM
-5V
50Ω
MAX308
1k
35pF
90%
10%
t
ON(EN)
+15V
V
OUT
-15V
GND
V+
A1
V-
A0
EN
NO1B
NO1A-NO4A
NO2B-NO4B,
COMA
COMB
-5V
50Ω
MAX309
1k
35pF
Figure 2. Transition Time
Figure 3. Enable Switching Time