ADuM1250/ADuM1251
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VDD1
SDA1
1
2
ADuM1250/
ADuM1251
8
7
VDD2
SDA2
SCL1 3 TOP VIEW 6 SCL2
GND1 4 (Not to Scale) 5 GND2
Figure 4. ADuM1250/ADuM1251 Pin Configuration
Table 9. ADuM1250 Pin Function Descriptions
Pin No.
Mnemonic
Description
1
VDD1
2
SDA1
3
SCL1
4
GND1
5
GND2
6
SCL2
7
SDA2
8
VDD2
Supply Voltage, 3.0 V to 5.5 V.
Data Input/Output, Side 1.
Clock Input/Output, Side 1.
Ground 1. Ground reference for Isolator Side 1.
Ground 2. Isolated ground reference for Isolator Side 2.
Clock Input/Output, Side 2.
Data Input/Output, Side 2.
Supply Voltage, 3.0 V to 5.5 V.
Table 10. ADuM1251 Pin Function Descriptions
Pin No.
Mnemonic
Description
1
VDD1
2
SDA1
3
SCL1
4
GND1
5
GND2
6
SCL2
7
SDA2
8
VDD2
Supply Voltage, 3.0 V to 5.5 V.
Data Input/Output, Side 1.
Clock Input, Side 1.
Ground 1. Ground reference for Isolator Side 1.
Ground 2. Isolated ground reference for Isolator Side 2.
Clock Output, Side 2.
Data Input/Output, Side 2.
Supply Voltage, 3.0 V to 5.5 V.
Data Sheet
Rev. F | Page 8 of 12