Improved, 8-Channel/Dual 4-Channel,
CMOS Analog Multiplexers
DG408/DG409
Pin Configurations/Functional Diagrams/Truth Tables (continued)
TOP VIEW
S1A
V+
V-
GND
A0 1
EN 2
V- 3
S1A 4
S2A 5
S3A 6
S4A 7
DA 8
16 A1
15 GND
14 V+
S2A
S3A
S4A
S1B
S2B
DA
DG409
13 S1B
12 S2B
11 S3B
10 S4B
9
DB
DB
S3B
S4B
CMOS DECODE LOGIC
DIP/SO/TSSOP
A1
A0
EN
DG409 4-CHANNEL DIFFERENTIAL MUX/DEMUX
A2
X
0
0
0
0
1
1
1
1
A1
X
0
0
1
1
0
0
1
1
A0
X
0
1
0
1
0
1
0
1
EN
0
1
1
1
1
1
1
1
1
ON
SWITCH
None
1
2
3
4
5
6
7
8
A1
X
0
0
1
1
A0
X
0
1
0
1
EN
0
1
1
1
1
DG409
ON
SWITCH
None
1
2
3
4
DG408
LOGIC “0” V
AL
≤
0.8V, LOGIC “1” V
AH
≥
2.4V
LOGIC “0” V
AL
≤
0.8V, LOGIC “1” V
AH
≥
2.4V
10
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