ADG406/ADG407/ADG426
V
1
2
28 DA
27
DD
DB
NC
V
SS
4
3
2
1
28 27 26
3
26 S8A
25 S7A
24 S6A
23 S5A
22 S4A
4
S8B
S7B
S6B
S5B
S4B
S3B
S2B
S1B
GND
NC
PIN 1
INDENTFIER
5
6
25
24
23
22
21
20
S7B
S6B
S5B
S4B
S3B
S2B
S7A
S6A
S5A
S4A
S3A
S2A
5
ADG407
6
TOP VIEW
7
7
ADG407
TOP VIEW
(Not to scale)
(Not to Scale)
8
21
S3A
8
20 S2A
19 S1A
18 EN
17 A0
16 A1
15 A2
9
9
10
11
12
13
14
10
S1B 11
19 S1A
12 13 14 15 16 17 18
NC
NC = NO CONNECT
NC = NO CONNECT
Figure 8. 28-Lead PDIP
Figure 9. 28-Lead PLCC
Table 6. Pin Function Descriptions
Pin No. Mnemonic Description
1
2
VDD
DB
Most Positive Power Supply Potential.
Drain Terminal B. This pin can be an input or an output.
No Connect.
3, 13, 14 NC
4 to 11
12
15 to 17 A2 to A0
18 EN
S8B to S1B
GND
Source Terminal 8B to Source Terminal 1B. These pins can be inputs or outputs.
Ground (0 V) Reference.
Logic Control Input.
Active High Digital Input. When this pin is low, the device is disabled and all switches are turned off. When this pin
is high, the Ax logic inputs determine which switch is turned on.
19 to 26 S1A to S8A Source Terminal 1A to Source Terminal 8A. These pins can be inputs or outputs.
27
28
VSS
DA
Most Negative Power Supply Potential. In single-supply applications, this pin can be connected to ground.
Drain Terminal A. This pin can be an input or an output.
Table 7. Truth Table (ADG407)
A2
X
0
0
0
0
1
1
1
A1
X
0
0
1
1
0
0
1
A0
X
0
1
0
1
0
1
0
EN
0
1
1
1
1
1
1
1
On Switch Pair
None
1
2
3
4
5
6
7
8
1
1
1
1
Rev. B | Page 10 of 20
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