ADuM1410/ADuM1411/ADuM1412 Data Sheet
Table 14. Truth Table (Positive Logic)
V
Ix
Input
1
CTRL
X
Input
2
V
DISABLE
State
3
V
DDI
State
4
V
DDO
State
5
V
Ox
Output
1
Description
H X
L or
NC
Powered Powered H Normal operation, data is high.
L or
NC
Normal operation, data is low.
X
H or
NC
H X Powered H
Inputs disabled. Outputs are in the default state as determined
by CTRL
X
.
X L H X Powered L
Inputs disabled. Outputs are in the default state as determined by
CTRL
X
.
X
H or
NC
X Unpowered Powered H
Input unpowered. Outputs are in the default state as determined
by CTRL
X
.
Outputs return to input state within 1 µs of V
DDI
power restoration.
See the pin function descriptions (Table 11, Table 12, and Table 13) for
more details.
Input unpowered. Outputs are in the default state as determined
by CTRL
X
.
Outputs return to input state within 1 µs of V
DDI
power restoration.
See the pin function descriptions (Table 11, Table 12, and Table 13) for
more details.
X X X Powered Unpowered Z
Output unpowered. Output pins are in high impedance state.
Outputs return to input state within 1 µs of V
DDO
power restoration.
See the pin function descriptions (Table 11, Table 12, and Table 13) for
more details.
1
V
Ix
and V
Ox
refer to the input and output signals of a given channel (A, B, C, or D).
2
CTRL
X
refers to the default output control signal on the input side of a given channel (A, B, C, or D).
3
Available only on the ADuM1410.
4
V
DDI
refers to the power supply on the input side of a given channel (A, B, C, or D).
5
V
DDO
refers to the power supply on the output side of a given channel (A, B, C, or D).
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