DG408 Datasheet, PDF (9/12 Pages) Intersil Corporation – Single 8-Channel/Differential 4-Channel, CMOS Analog Multiplexers

Improved, 8-Channel/Dual 4-Channel,
CMOS Analog Multiplexers
Test Circuits/Timing Diagrams (continued)
+15V 10nF
V_IN
S1
V+
R_S = 50Ω
S8
A0
D
A1 _DG408
A2
GND EN
V-
10nF
-15V
OFF ISOLATION = 20log ^VOUT
V_IN
Figure 6. Off Isolation
V_OUT
R_L = 1kΩ
+15V 10nF
R_S = 50Ω
V_{IN S1}
S2
V+
EN
S8 ^DG408
A0
D
A1
A2
GND
V-
Figure 7. Crosstalk
10nF
-15V
CROSSTALK = 20log ^VOUT
V_IN
+2.4V
V_OUT
R_L = 1kΩ
CHANNEL
SELECT
+15V
V+
A2
S1
A1
DG408
S8
A0
D
GND EN V-
-15V
Meter
Impedance
Analyzer
or Equivalent
f = 1MHz
Figure 8. Source/Drain Capacitance
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