ADuM1200/ADuM1201
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
V
DD1 1
V
IA 2
V
IB 3
GND
1 4
Data Sheet
ADuM1200
TOP VIEW
(Not to Scale)
8
V
DD2
7
V
OA
6
V
OB
5
GND
2
04642-004
V
DD1 1
V
OA 2
V
IB 3
GND
1 4
8
ADuM1201
TOP VIEW
(Not to Scale)
V
DD2
V
IA
V
OB
GND
2
04642-005
7
6
5
Figure 4. ADuM1200 Pin Configuration
Figure 5. ADuM1201 Pin Configuration
Table 15. ADuM1200 Pin Function Descriptions
Pin
No.
1
2
3
4
5
6
7
8
Mnemonic
V
DD1
V
IA
V
IB
GND
1
GND
2
V
OB
V
OA
V
DD2
Description
Supply Voltage for Isolator Side 1.
Logic Input A.
Logic Input B.
Ground 1. Ground Reference for Isolator Side 1.
Ground 2. Ground Reference for Isolator Side 2.
Logic Output B.
Logic Output A.
Supply Voltage for Isolator Side 2.
Table 16. ADuM1201 Pin Function Descriptions
Pin
No.
1
2
3
4
5
6
7
8
Mnemonic
V
DD1
V
OA
V
IB
GND
1
GND
2
V
OB
V
IA
V
DD2
Description
Supply Voltage for Isolator Side 1.
Logic Output A.
Logic Input B.
Ground 1. Ground Reference for Isolator Side 1.
Ground 2. Ground Reference for Isolator Side 2.
Logic Output B.
Logic Input A.
Supply Voltage for Isolator Side 2.
Table 17. ADuM1200 Truth Table (Positive Logic)
V
IA
Input
H
L
H
L
X
X
V
IB
Input
H
L
L
H
X
X
V
DD1
State
Powered
Powered
Powered
Powered
Unpowered
Powered
V
DD2
State
Powered
Powered
Powered
Powered
Powered
Unpowered
V
OA
Output
H
L
H
L
H
Indeterminate
V
OB
Output
H
L
L
H
H
Indeterminate
Notes
Outputs return to the input state within
1 μs of V
DDI
power restoration.
Outputs return to the input state within
1 μs of V
DDO
power restoration.
Table 18. ADuM1201 Truth Table (Positive Logic)
V
IA
Input
H
L
H
L
X
X
V
IB
Input
H
L
L
H
X
X
V
DD1
State
Powered
Powered
Powered
Powered
Unpowered
Powered
V
DD2
State
Powered
Powered
Powered
Powered
Powered
Unpowered
V
OA
Output
H
L
H
L
Indeterminate
H
V
OB
Output
H
L
L
H
H
Indeterminate
Notes
Outputs return to the input state within
1 μs of V
DDI
power restoration.
Outputs return to the input state within
1 μs of V
DDO
power restoration.
Rev. I | Page 22 of 28
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