DG409 Maxim, DG409 Datasheet - Page 9

• Manufacturer Part Number: DG409
• Description: Maxim's redesigned DG408 and DG409 CMOS analog multiplexers now feature guaranteed matching between channels (8Ω max) and flatness over the specified signal range (9Ω max)
• Manufacturer: Maxim

Figure 6. Off Isolation
Figure 8. Source/Drain Capacitance
CHANNEL
SELECT
R
S
= 50Ω
V
IN
A2
A1
A0
GND
_______________________________________________________________________________________
OFF ISOLATION = 20log
A0
A1
A2
S1
S8
DG408
GND
+15V
EN
V+
10nF
DG408
-15V
Improved, 8-Channel/Dual 4-Channel,
+15V
V-
EN
V+
S1
S8
D
-15V
V
V-
10nF
V
OUT
IN
D
R
or Equivalent
L
Impedance
f = 1MHz
= 1kΩ
Analyzer
V
Meter
OUT
Test Circuits/Timing Diagrams (continued)
CMOS Analog Multiplexers
Figure 7. Crosstalk
R
S
= 50Ω
V
IN
A0
A1
A2
S1
S2
S8
CROSSTALK = 20log
GND
10nF
DG408
+15V
V+
10nF
-15V
V
V-
V
OUT
EN
IN
D
R
L
= 1kΩ
V
+2.4V
OUT
9