Datasheet

Data Sheet ADuM1310/ADuM1311
Rev. K | Page 15 of 24
Table 13. 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
Description
H X L or NC Powered Powered H Normal operation, data is high.
L X L or NC Powered Powered L Normal operation, data is low.
X
H or
NC
H
X
Powered
H
Inputs disabled. Outputs are in the default state determined by
CTRL
x
.
X L H X Powered L
Inputs disabled. Outputs are in the default state determined by
CTRL
x
.
X
H or
NC
X Unpowered Powered H
Input unpowered. Outputs are in the default state determined by
CTRL
x
. Outputs return to input state within 1 µs of V
DDI
power
restoration. See the pin function descriptions (Table 11 and Table 12)
for more details.
X L X Unpowered Powered L
Input unpowered. Outputs are in the default state determined by
CTRL
x
. Outputs return to input state within 1 µs of V
DDI
power
restoration. See the pin function descriptions (Table 11 and Table 12)
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 and Table 12) for more
details.
1
V
Ix
and V
Ox
refer to the input and output signals of a given channel (A, B, or C).
2
CTRL
x
refers to the default output control signal on the input side of a given channel (A, B, or C).
3
Available only on the ADuM1310.
4
V
DDI
refers to the power supply on the input side of a given channel (A, B, or C).
5
V
DDO
refers to the power supply on the output side of a given channel (A, B, or C).
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