Datasheet
ADG1633/ADG1634
Rev. 0 | Page 10 of 20
1
2
3
4
5
6
8
20
19
18
17
16
15
13
S1A
D1
S1B
7
S2B
GND
V
SS
IN1
S4A
D4
S4B
14
S3B
9
S2A
12
S3A
10
IN2
11
IN3
D2 D3
NC
V
DD
IN4
ADG1634
TOP VIEW
(Not to Scale)
NC = NO CONNECT
08319-006
Figure 6. ADG1634 TSSOP Pin Configuration
PIN 1
INDICATOR
1D1
2S1B
3V
SS
4GND
5S2B
13 V
DD
14 S4B
15 D4
NOTES
1. EXPOSED PAD IS TIED TO THE SUBSTRATE,
V
SS
.
12 S3B
11 D3
6
D2
7
S2A
8
IN2
10
S3A
9
IN3
18
EN
19
IN1
20
S1
A
17
IN4
16
S4
A
TOP VIEW
(Not to Scale)
ADG1634
08319-007
Figure 7. ADG1634 LFCSP_VQ Pin Configuration
Table 10. ADG1634 Pin Function Descriptions
Pin No.
Mnemonic
Description TSSOP LFCSP_VQ
1 19 IN1 Logic Control Input 1.
2 20 S1A Source Terminal 1A. Can be an input or an output.
3 1 D1
Drain Terminal 1. Can be an input or an output.
4 2 S1B
Source Terminal 1B. Can be an input or an output.
5 3 V
SS
Most Negative Power Supply Potential. In single-supply applications, this pin can be connected to ground.
6 4 GND
Ground (0 V) Reference.
7 5 S2B
Source Terminal 2B. Can be an input or an output.
8 6 D2
Drain Terminal 2. Can be an input or an output.
9 7 S2A
Source Terminal 2A. Can be an input or an output.
10 8 IN2
Logic Control Input 2.
11 9 IN3
Logic Control Input 3.
12 10 S3A
Source Terminal 3A. Can be an input or an output.
13 11 D3
Drain Terminal 3. Can be an input or an output.
14 12 S3B
Source Terminal 3B. Can be an input or an output.
15 N/A NC
No Connect.
16 13 V
DD
Most Positive Power Supply Potential.
17 14 S4B
Source Terminal 4B. Can be an input or an output.
18 15 D4
Drain Terminal 4. Can be an input or an output.
19 16 S4A
Source Terminal 4A. Can be an input or an output.
20 17 IN4
Logic Control Input 4.
N/A 18
EN
Active Low Digital Input. When this pin is high, the device is disabled and all switches are off. When
this pin is low, INx logic inputs determine the on switches.
N/A 21 EP Exposed Pad. The exposed pad is tied to the substrate, V
SS
.
Table 11. ADG1634 TSSOP Truth Table
INx SxA SxB
0 Off On
1 On Off
Table 12. ADG1634 LFCSP_VQ Truth Table
EN
INx SxA SxB
1 X
1
Off Off
0 0 Off On
0 1 On Off
1
X = don’t care.