Data Sheet
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
ADuM1310/ADuM1311
V DD1 1
*GND 1 2
V IA 3
16 V DD2
15 GND 2 *
14 V OA
ADuM1310
V IB 4 13 V OB
TOP VIEW
V IC 5 (Not to Scale) 12 V OC
NC 6
DISABLE 7
*GND 1 8
11
10
9
NC
CTRL 2
GND 2 *
NC = NO CONNECT
*PIN 2 AND PIN 8 ARE INTERNALLY CONNECTED. CONNECTING BOTH
TO GND 1 IS RECOMMENDED. PIN 9 AND PIN 15 ARE INTERNALLY
CONNECTED. CONNECTING BOTH TO GND 2 IS RECOMMENDED.
Figure 4. ADuM1310 Pin Configuration
Table 11. ADuM1310 Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Mnemonic
V DD1
GND 1
V IA
V IB
V IC
NC
DISABLE
GND 1
GND 2
CTRL 2
NC
V OC
V OB
V OA
GND 2
V DD2
Description
Supply Voltage for Isolator Side 1, 2.7 V to 5.5 V.
Ground 1. Ground reference for Isolator Side 1.
Logic Input A.
Logic Input B.
Logic Input C.
No Connection.
Input Disable. Disables the isolator inputs and halts the dc refresh circuits. Outputs take on the logic state
determined by CTRL 2 .
Ground 1. Ground reference for Isolator Side 1.
Ground 2. Ground reference for Isolator Side 2.
Default Output Control. Controls the logic state the outputs take on when the input power is off. V OA , V OB , and
V OC outputs are high when CTRL 2 is high or disconnected and V DD1 is off. V OA , V OB , and V OC outputs are low when
CTRL 2 is low and V DD1 is off. When V DD1 power is on, this pin has no effect.
No Connection.
Logic Output C.
Logic Output B.
Logic Output A.
Ground 2. Ground reference for Isolator Side 2.
Supply Voltage for Isolator Side 2, 2.7 V to 5.5 V.
Rev. I | Page 13 of 24
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