Precision, 4-Channel/Dual 2-Channel,
Low-Voltage, CMOS Analog Multiplexers
_________________________________Test Circuits/Timing Diagrams (continued)
V+
VEN EN
V+
NO1
V+
NO2–NO4
MAX4518
A0
A1
50Ω
GND
COM
V-
1k
-5V
V+
VEN EN
V+ NO1B
V+
NO2B
COMA, NO1A–NO1A
A0 MAX4519
A1
COMB
50Ω
GND
V-
1k
-5V
VOUT
35pF
VOUT
35pF
VEN
V+
0V
VOUT V+
tR < 20ns
50%
tF < 20ns
90% 90%
0V
tON
tOFF
Figure 3. Enable Switching Time
+5V
+2.4V VEN EN
V+
NO1–NO4
+5V
VA
50Ω
A0 MAX4518
A1
GND
COM
V-
300Ω
-5V
VOUT
35pF
LOGIC +3V
INPUT
VA
0V
+5V
SWITCH
OUTPUT
VOUT
0V
tR < 20ns
50%
tF < 20ns
80%
tOPEN
Figure 4. Break-Before-Make Interval
_______________________________________________________________________________________ 9