adum1311 Analog Devices, Inc., adum1311 Datasheet - Page 15

• Manufacturer Part Number: adum1311
• Description: Triple-channel Digital Isolators
• Manufacturer: Analog Devices, Inc.

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