ADG1421/ADG1422/ADG1423 Data Sheet
Rev. A | Page 8 of 16
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1
2S2
S1
3NC
4GND
5V
DD
10 D1
9D2
8V
SS
7IN1
6IN2
NOTES
1. EXPOSED PAD TIED TO SUBSTRATE, V
SS
.
. NC = NO CONNECT
TOP VIEW
(Not to Scale)
ADG1421/
ADG1422/
ADG1423
8487-004
Figure 4. 10-Lead LFCSP Pin Configuration
NC = NO CONNECT
S1
1
S2
2
NC
3
GND
4
V
DD
5
D1
10
D2
9
V
SS
8
IN1
7
IN2
6
08487-005
TOP VIEW
(Not to Scale)
ADG1421/
ADG1422/
ADG1423
Figure 5. 10-Lead MSOP Pin Configuration
Table 7. 10-Lead LFCSP Pin Function Descriptions
Pin No. Mnemonic Description
1 S1
Source Terminal. This pin can be an
input or output.
2 S2
Source Terminal. This pin can be an
input or output.
3 NC No Connect.
4 GND Ground (0 V) Reference.
5 V
DD
Most Positive Power Supply Potential.
6 IN2 Logic Control Input.
7 IN1 Logic Control Input.
8 V
SS
Most Negative Power Supply Potential.
9 D2
Drain Terminal. This pin can be an
input or output.
10 D1
Drain Terminal. This pin can be an
input or output.
EPAD Exposed pad tied to substrate, V
SS
.
Table 8. 10-Lead MSOP Pin Function Descriptions
Pin No. Mnemonic Description
1 S1
Source Terminal. This pin can be an
input or output.
2 S2
Source Terminal. This pin can be an
input or output.
3 NC No Connect.
4 GND Ground (0 V) Reference.
5 V
DD
Most Positive Power Supply Potential.
6 IN2 Logic Control Input.
7 IN1 Logic Control Input.
8 V
SS
Most Negative Power Supply Potential.
9 D2
Drain Terminal. This pin can be an
input or output.
10 D1
Drain Terminal. This pin can be an
input or output.
Table 9. ADG1421/ADG1422 Truth Table
ADG1421 INx ADG1422 INx Switch Condition
1 0 On
0 1 Off
Table 10. ADG1423 Truth Table
ADG1423 INx Switch 1 Condition Switch 2 Condition
0 Off On
1 On Off