Datasheet

ADG508A/ADG509A
Rev. D | Page 9 of 16
A0
1
EN
2
V
SS
3
S1A
4
A1
16
GND
15
V
DD
14
S1B
13
S2A
5
S3A
6
S4A
7
S2B
12
S3B
11
S4B
10
DA
8
DB
9
ADG509A
TOP VIEW
(Not to Scale)
00051-006
Figure 6. ADG509A DIP, SOIC
1201923
4
5
6
7
8
18
17
16
15
14
9
10
11 12 13
NC = NO CONNECT
V
SS
S1
A
NC
S2
A
S3
A
V
DD
S1B
NC
S2B
S3B
EN
A0
NC
A1
GND
S4A
DA
NC
DB
S4B
PIN 1
IDENTIFIER
ADG509A
TOP VIEW
(Not to Scale)
00051-008
Figure 7. ADG509A PLCC
Table 6. ADG509A Pin Function Description
Pin Number
DIP/SOIC PLCC/LCC Mnemonic Description
1 2 A0 Logic Control Input.
2 3 EN
Active High Digital Input. When low, the device is disabled and all switches are off.
When high, Ax logic inputs determine on switches.
3 4 V
SS
Most Negative Power Supply Potential in Dual Supplies. In single-supply applications,
it can be connected to ground.
4 5 S1A Source Terminal 1A. Can be an input or an output.
5 7 S2A Source Terminal 2A. Can be an input or an output.
6 8 S3A Source Terminal 3A. Can be an input or an output.
7 9 S4A Source Terminal 4A. Can be an input or an output.
8 10 DA Drain Terminal A. Can be an input or an output.
9 12 DB Drain Terminal B. Can be an input or an output.
10 13 S4B Source Terminal 4B. Can be an input or an output.
11 14 S3B Source Terminal 3B. Can be an input or an output.
12 15 S2B Source Terminal 2B. Can be an input or an output.
13 17 S1B Source Terminal 1B. Can be an input or an output.
14 18 V
DD
Most Positive Power Supply Potential.
15 19 GND Ground (0 V) Reference.
16 20 A1 Logic Control Input.
N/A 1 NC No Connect.
N/A 6 NC No Connect.
N/A 11 NC No Connect.
N/A 16 NC No Connect.
Table 7. ADG509A Truth Table
A1 A0 EN On Switch Pair
X
1
XX
1
0 None
0 0 1 1
0 1 1 2
1 0 1 3
1 1 1 4
1
X = don’t care.