ADG5408/ADG5409 Data Sheet
Rev. C | Page 10 of 24
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
EN
V
SS
S1
S4
S3
S2
A0
A2
GND
V
DD
S7
DS8
S6
S5
A1
ADG5408
TOP VIEW
(Not to Scale)
09206-002
Figure 2. ADG5408 Pin Configuration (TSSOP)
1V
SS
NOTES
1. THE EXPOSED PAD IS
CONNECTED INTERNALLY. FOR
INCREASED RELIABILITY OF THE
SOLDER JOINTS AND MAXIMUM
THERMAL CAPABILITY, IT IS
RECOMMENDED THAT THE PAD BE
SOLDERED TO THE SUBSTRATE, V
SS
.
2
S1
3
S2
4S3
11
V
DD
12 GND
10 S5
9S6
5
S4
6
D
7
S8
8
S7
15
A0
16
EN
14
A1
13
A2
09206-003
TOP VIEW
(Not to Scale)
ADG5408
Figure 3. ADG5408 Pin Configuration (LFCSP)
Table 8. ADG5408 Pin Function Descriptions
Pin No.
TSSOP LFCSP Mnemonic Description
1 15 A0 Logic Control Input.
2 16 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 1 V
SS
Most Negative Power Supply Potential. In single-supply applications, this pin can be connected
to ground.
4 2 S1 Source Terminal 1. This pin can be an input or an output.
5 3 S2 Source Terminal 2. This pin can be an input or an output.
6 4 S3 Source Terminal 3. This pin can be an input or an output.
7 5 S4 Source Terminal 4. This pin can be an input or an output.
8 6 D Drain Terminal. This pin can be an input or an output.
9 7 S8 Source Terminal 8. This pin can be an input or an output.
10 8 S7 Source Terminal 7. This pin can be an input or an output.
11 9 S6 Source Terminal 6. This pin can be an input or an output.
12 10 S5 Source Terminal 5. This pin can be an input or an output.
13 11 V
DD
Most Positive Power Supply Potential.
14 12 GND Ground (0 V) Reference.
15 13 A2 Logic Control Input.
16 14 A1 Logic Control Input.
EP Exposed Pad
The exposed pad is connected internally. For increased reliability of the solder joints and
maximum thermal capability, it is recommended that the pad be soldered to the substrate, V
SS
.
Table 9. ADG5408 Truth Table
A2 A1 A0 EN On Switch
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