Datasheet
ADG406/ADG407/ADG426
Rev. B | Page 10 of 20
V
DD
1
DB
2
NC
3
S8B
4
DA28
V
SS
27
S8A26
S7A25
S7B
5
S6B
6
S5B
7
S6A
24
S5A23
S4A22
S4B
8
S3A
21
S3B
9
S2A20
S2B
10
S1A19
S1B
11
EN18
GND
12
A0
17
NC
13
A1
16
NC
14
A2
15
NC = NO CONNECT
ADG407
TOP VIEW
(Not to Scale)
00026-006
Figure 8. 28-Lead PDIP
1282726234
5
6
7
8
9
10
11
25
24
23
22
21
20
19
NC = NO CONNECT
S7B
S6B
S5B
S4B
S3B
S2B
S1B
S7A
S6A
S5A
S4A
S3A
S2A
S1A
S8B
NC
DB
V
DD
DA
V
SS
S8A
GND
NC
NC
A2
A1
A0
EN
PIN 1
INDENTFIER
ADG407
TOP VIEW
(Not to scale)
12 13 14 15 16 17 18
00026-007
Figure 9. 28-Lead PLCC
Table 6. Pin Function Descriptions
Pin No. Mnemonic Description
1 V
DD
Most Positive Power Supply Potential.
2 DB Drain Terminal B. This pin can be an input or an output.
3, 13, 14 NC
No Connect.
4 to 11 S8B to S1B
Source Terminal 8B to Source Terminal 1B. These pins can be inputs or outputs.
12 GND
Ground (0 V) Reference.
15 to 17 A2 to A0
Logic Control Input.
18 EN
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 V
SS
Most Negative Power Supply Potential. In single-supply applications, this pin can be connected to ground.
28 DA Drain Terminal A. This pin can be an input or an output.
Table 7. Truth Table (ADG407)
A2 A1 A0 EN On Switch Pair
X X X 0 None
0 0 0 1 1
0 0 1 1
2
0 1 0 1
3
0 1 1 1
4
1 0 0 1
5
1 0 1 1
6
1 1 0 1
7
1 1 1 1 8