ADG438F/ADG439F
Rev. E | Page 6 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
A0
1
EN
2
V
SS
3
S1
4
A1
16
A2
15
GND
14
V
DD
13
S2
5
S3
6
S4
7
S5
12
S6
11
S7
10
D
8
S8
9
ADG438F
TOP VIEW
(Not to Scale)
00468-004
Figure 3. ADG438F Pin Configuration
Table 3. ADG438F Pin Function Description
Pin
No. Mnemonic Description
1 A0 Logic Control Input.
2 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 V
SS
Most Negative Power Supply Potential. In
single-supply applications, this pin can be
connected to ground.
4 S1
Source Terminal 1. This pin can be an input
or an output.
5 S2
Source Terminal 2. This pin can be an input
or an output.
6 S3
Source Terminal 3. This pin can be an input
or an output.
7 S4
Source Terminal 4. This pin can be an input
or an output.
8 D
Drain Terminal. This pin can be an input or
an output.
9 S8
Source Terminal 8. This pin can be an input
or an output.
10 S7
Source Terminal 7. This pin can be an input
or an output.
11 S6
Source Terminal 6. This pin can be an input
or an output.
12 S5
Source Terminal 5. This pin can be an input
or an output.
13 V
DD
Most Positive Power Supply Potential.
14 GND Ground (0 V) Reference.
15 A2 Logic Control Input.
16 A1 Logic Control Input.
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
ADG439F
TOP VIEW
(Not to Scale)
00468-005
Figure 4. ADG439F Pin Configuration
Table 4. ADG439F Pin Function Description
Pin
No. Mnemonic Description
1 A0 Logic Control Input.
2 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 V
SS
Most Negative Power Supply Potential. In
single-supply applications, this pin can be
connected to ground.
4 S1A
Source Terminal 1A. This pin can be an
input or an output.
5 S2A
Source Terminal 2A. This pin can be an
input or an output.
6 S3A
Source Terminal 3A. This pin can be an
input or an output.
7 S4A
Source Terminal 4A. This pin can be an
input or an output.
8 DA
Drain Terminal A. This pin can be an input
or an output.
9 DB
Drain Terminal B. This pin can be an input
or an output.
10 S4B
Source Terminal 4B. This pin can be an
input or an output.
11 S3B
Source Terminal 3B. This pin can be an
input or an output.
12 S2B
Source Terminal 2B. This pin can be an
input or an output.
13 S1B
Source Terminal 1B. This pin can be an
input or an output.
14 V
DD
Most Positive Power Supply Potential.
15 GND Ground (0 V) Reference.
16 A1 Logic Control Input.
Table 5. ADG438F Truth Table
1
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
1
X = don’t care.
Table 6. ADG439F Truth Table
1
A1 A0 EN On Switch Pair
X X 0 None
0 0 1 1
0 1 1 2
1 0 1 3
1 1 1 4
1
X = don’t care.