ADuM2250/ADuM2251
Rev. 0 | Page 9 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
06670-004
NC = NO CONNECT
ADuM2250/
ADuM2251
TO P VIEW
(Not to Scale)
GND
1
*
1
NC
2
V
DD1
3
NC
4
GND
2
*
16
NC
15
V
DD2
14
NC
13
SDA
1
5
SDA
2
12
SCL
1
6
SCL
2
11
GND
1
*
7
NC
10
NC
8
GND
2
*
9
PIN 1 AND PIN 7 ARE INTE RNALLY CONNECT E D. CONNECTI NG BOTH T O
GND
1
IS RECOM M E NDED. PIN 9 AND PI N 16 ARE INTERNALL Y CONNECTED.
CONNECTING BOTH TO GND
2
IS RECO M ME NDED.
Figure 5. Pin Configuration
Table 9. ADuM2250 Pin Function Descriptions
Pin No. Mnemonic Description
1 GND
1
Ground 1. Ground reference for Isolator Side 1.
2 NC No Connect.
3 V
DD1
Supply Voltage, 3.0 V to 5.5 V.
4 NC No Connect.
5 SDA
1
Data Input/Output, Side 1.
6 SCL
1
Clock Input/Output, Side 1.
7 GND
1
Ground 1. Ground reference for Isolator Side 1.
8 NC No Connect.
9 GND
2
Ground 2. Isolated ground reference for Isolator Side 2.
10 NC No Connect.
11 SCL
2
Clock Input/Output, Side 2.
12 SDA
2
Data Input/Output, Side 2.
13 NC No Connect.
14 V
DD2
Supply Voltage, 3.0 V to 5.5 V.
15 NC No Connect.
16 GND
2
Ground 2. Isolated ground reference for Isolator Side 2.
Table 10. ADuM2251 Pin Function Descriptions
Pin No. Mnemonic Description
1 GND
1
Ground 1. Ground reference for Isolator Side 1.
2 NC No Connect.
3 V
DD1
Supply Voltage, 3.0 V to 5.5 V.
4 NC No Connect.
5 SDA
1
Data Input/Output, Side 1.
6 SCL
1
Clock Input, Side 1.
7 GND
1
Ground 1. Ground reference for Isolator Side 1.
8 NC No Connect.
9 GND
2
Ground 2. Isolated ground reference for Isolator Side 2.
10 NC No Connect.
11 SCL
2
Clock Output, Side 2.
12 SDA
2
Data Input/Output, Side 2.
13 NC No Connect.
14 V
DD2
Supply Voltage, 3.0 V to 5.5 V.
15 NC No Connect.
16 GND
2
Ground 2. Isolated ground reference for Isolator Side 2.
