Datasheet

ADG406/ADG407/ADG426
Rev. B | Page 9 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
V
DD
NC
NC
S16
D
28
V
SS
27
S8
26
S7
25
S15
S14
S13
S6
24
S5
23
S4
22
S12
S3
21
S11
S2
20
S10
S1
19
S9
EN
18
GND
A0
17
NC
A1
16
A3
A2
15
NC = NO CONNECT
ADG406
TOP VIEW
(Not to Scale)
00026-004
1
2
5
6
7
8
9
10
11
12
14
13
3
4
Figure 6. 28-Lead PDIP
1282726234
5
6
7
8
9
10
11
25
24
23
22
21
20
19
NC = NO CONNECT
S15
S14
S13
S12
S11
S10
S9
S7
S6
S5
S4
S3
S2
S1
S16
NC
NC
V
DD
D
V
SS
S8
GND
NC
A3
A2
A1
A0
EN
PIN 1
INDENTFIER
ADG406
TOP VIEW
(Not to scale)
12 13 14 15 16 17 18
00026-005
Figure 7. 28-Lead PLCC
Table 4. Pin Function Descriptions
Pin No. Mnemonic Description
1 V
DD
Most Positive Power Supply Potential.
2, 3, 13 NC No Connect.
4 to 11 S16 to S9
Source Terminal 16 to Source Terminal 9. These pins can be inputs or outputs.
12 GND
Ground (0 V) Reference.
14 to 17 A3 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 S1 to 8
Source Terminal 1 to Source Terminal 8. 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 D Drain Terminal. This pin can be an input or an output.
Table 5. Truth Table (ADG406)
A3 A2 A1 A0 EN On Switch
X X X X 0 None
0 0 0 0 1 1
0 0 0 1 1
2
0 0 1 0 1
3
0 0 1 1 1
4
0 1 0 0 1
5
0 1 0 1 1
6
0 1 1 0 1
7
0 1 1 1 1
8
1 0 0 0 1
9
1 0 0 1 1
10
1 0 1 0 1
11
1 0 1 1 1
12
1 1 0 0 1
13
1 1 0 1 1
14
1 1 1 0 1
15
1 1 1 1 1 16