DG408L Vishay, DG408L Datasheet - Page 11

• Manufacturer Part Number: DG408L
• Description: Precision 8-ch/dual 4-ch Low Voltage Analog Multiplexers
• Manufacturer: Vishay

TEST CIRCUITS
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see http://www.vishay.com/ppg?71342.
Document Number: 71342
S-71241–Rev. E, 25-Jun-07
V
V
S
V
g
S
R
g
R
= 50
g
= 50
R
Ω
g
Ω
V
IN
Channel
Select
S
A
A
A
1
0
1
2
GND
S
S
A
A
A
X
8
0
1
2
Figure 8. Insertion Loss
GND
Figure 6. Off Isolation
EN
V+
V+
Insertion Loss = 20 log
EN
V+
V+
EN
S
A
A
A
X
0
1
2
GND
Off Isolation = 20 log
V-
V-
V-
V-
D
V+
V+
D
V-
V-
R
1
L
kΩ
R
1
D
V
L
kΩ
V
V
V
OUT
O
V
IN
OUT
V
IN
O
Figure 5. Charge Injection
C
1 nF
L
V
O
Channel
Select
R
g
= 50
Switch
Output
Logic
Input
Ω
V
S
A
A
A
3 V
0 V
GND
2
1
0
ΔV
error Q, when the channel turns off.
O
V
Figure 9. Source Drain Capacitance
IN
is the measured voltage due to charge transfer
OFF
EN
V+
V+
S
S
S
A
A
A
1
X
8
0
1
2
Figure 7. Crosstalk
GND
V-
V-
Q = C
S
S
D
1
8
ON
V+
V+
EN
DG408L/409L
L
Vishay Siliconix
Crosstalk = 20 log
x ΔV
O
V-
V-
D
www.vishay.com
or Equivalent
OFF
Impedance
HP4192A
f = 1 MHz
Analyzer
Meter
V
ΔV
R
1
V
OUT
L
IN
kΩ
O
V
O
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