
M
Low-Voltage, Dual-S upply, S PS T,
CMOS Analog S witc hes
_______________________________________________________________________________________
7
______________________________________________Test Circ uits/T iming Diagrams
50%
t
OFF
t
ON
V
OUT
V
IN
V
IN
0V
V+
V
OUT
V-
V-
V+
IN
NO
COM
V
NO
50
MAX4503
1k
35pF
90%
90%
0V
V
IN
50%
t
ON
t
OFF
V
OUT
V
IN
V
OUT
V
OUT
V
IN
0V
V+
V
OUT
V-
V-
V+
IN
NC
COM
V
NC
50
MAX4504
1k
35pF
90%
90%
0V
V
IN
V
OUT
V+
0V
V
IN
V
OUT
MAX4503
MAX4504
V
IS THE MEASURED VOLTAGE DUE TOCHARGE TRANSFER
ERROR QWHEN THE CHANNEL TURNS OFF.
Q=
V
OUT
x
C
L
V+
V
OUT
V-
V-
V+
IN
NO
or
NC
COM
V
NO
or V
NC
= 0V
50
MAX4503
MAX4504
C
1000pF
V
IN
Figure 1. Switching Times
Figure 2. Charge Injection