Improved, 16-Channel/Dual 8-Channel,
CMOS Analog Multiplexers
_________________________________Test Circuits/Timing Diagrams (continued)
+15V
+15V
10nF
V
OUT
S1
R
S
= 50Ω
S16
A0
A1
A2
A3
GND
EN
V-
V+
R
L
=
1kΩ
10nF
DG406/DG407
V
IN
S1
S2
S16
V+
DG406
D
V
OUT
R
S
= 50Ω
R
L
= 1kΩ
A0
A1
A2
A3
GND
DG406
COM
EN
V-
10nF
-15V
V
OUT
V
IN
10nF
-15V
V
OUT
V
IN
OFF ISOLATION = 20log
CROSSTALK = 20log
Figure 6. Off-Isolation
Figure 7. Crosstalk
+15V
V+
A3
CHANNEL
SELECT
A2
A1
A0
D
GND
EN
V-
f = 1MHz
S1
Meter
DG406
S16
Impedance
Analyzer
-15V
Figure 8. Source/Drain Capacitance
_______________________________________________________________________________________
9