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DG408L Datasheet, PDF (9/11 Pages) Vishay Siliconix – Precision 8-Ch/Dual 4-Ch Low Voltage Analog Multiplexers
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SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
DG408L/409L
Vishay Siliconix
V+
GND
A0
AX
V+
EN
V-
Level
Shift
Decode/
Drive
FIGURE 1.
D
V+
V-
S1
Sn
TEST CIRCUITS
V+
50 W
3V
V+
A2
S1
VS1
A1
S2 - S7
A0
DG408L S8
VS8
EN
D
GND V-
300 W
V-
V+
VO
35 pF
50 W
3V
A1
S1b
A0
S1a - S4a, Da
V+
DG409L S4b
EN
GND
Db
V-
VS1
VSB4
300 W
V-
VO
35 pF
Logic
3V
Input
VAX
0V
Switch
Output
VO
VS1
50%
VS8
tTRANS
S1 ON
FIGURE 2. Transition Time
Document Number: 71342
S-03720—Rev. D, 07-Apr-03
50%
tr <20 ns
tf <20 ns
90%
90%
S8 ON (DG408L)
or
S4 ON (DG409L)
tTRANS
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