
ADuM1230
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. A | Page 6 of 12
0
-
V
IA
V
IB
1
2
V
DD1
GND
1
3
4
V
DDA
V
OA
GND
A
NC
16
15
14
13
DISABLE
5
NC
12
NC
6
V
DDB
V
OB
GND
B
11
NC
7
10
V
DD1
8
9
NC = NO CONNECT
Figure 2. Pin Configuration
ADuM1230
TOP VIEW
(Not to Scale)
Note that Pin 3 and Pin 8 are internally connected. Connecting both to V
DD1
is recommended. Pin 12 and Pin 13 are floating and
should be left unconnected.
Table 8. Pin Function Descriptions
Pin No.
Mnemonic
1
V
IA
2
V
IB
3
V
DD1
4
GND
1
5
DISABLE
6, 7, 12, 13
NC
8
V
DD1
9
GND
B
10
V
OB
11
V
DDB
14
GND
A
15
V
OA
16
V
DDA
Function
Logic Input A.
Logic Input B.
Input Supply Voltage, 4.5 V to 5.5 V.
Ground Reference for Input Logic Signals.
Input Disable. Disables the isolator inputs and refresh circuits. Outputs take on default low state.
No Connect.
Input Supply Voltage, 4.5 V to 5.5 V.
Ground Reference for Output B.
Output B.
Output B Supply Voltage, 12 V to 18 V.
Ground Reference for Output A.
Output A.
Output A Supply Voltage, 12 V to 18 V.