English
Language : 

DG408L_08 Datasheet, PDF (9/12 Pages) Vishay Siliconix – Precision 8-Ch/Dual 4-Ch Low Voltage Analog Multiplexers
◁
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
V+
GND
A0
AX
V+
EN
V-
Level
Shift
Decode/
Drive
DG408L/409L
Vishay Siliconix
D
V+
V-
S1
Sn
TEST CIRCUITS
Figure 1.
V+
50 Ω
3V
V+
A2
S1
VS1
A1
S2 - S7
A0
DG408L S8
VS8
EN
D
GND V-
300 Ω
V-
V+
50 Ω
3V
A1
S1b
A0
S1a - S4a, Da
V+
DG409L S4b
EN
Db
GND V-
VS1
VSB4
300 Ω
V-
VO
35 pF
VO
35 pF
Logic
3V
Input
VAX
0V
Switch
Output
VO
VS1
50 %
VS8
tTRANS
S1 ON
Figure 2. Transition Time
50 %
tr < 20 ns
tf < 20 ns
90 %
90 %
S8 ON (DG408L)
or
S4 ON (DG409L)
tTRANS
Document Number: 71342
S-71241–Rev. E, 25-Jun-07
www.vishay.com
9
 ▷