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ADuM7240/ADuM7241
ABSOLUTE MAXIMUM RATINGS
T A = 25°C, unless otherwise noted.
Table 17.
Data Sheet
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
Parameter
Storage Temperature (T ST ) Range
Ambient Operating Temperature
(T A ) Range
Supply Voltages (V DD1 , V DD2 )
Input Voltages (V IA , V IB ) 1
Output Voltages (V OA , V OB ) 1
Average Output Current per Pin 2
Side 1 (I O1 )
Side 2 (I O2 )
Common-Mode Transients 3
Rating
?65°C to +150°C
?40°C to +105°C
?0.5 V to +7.0 V
?0.5 V to V DDI + 0.5 V
?0.5 V to V DDO + 0.5 V
?10 mA to +10 mA
?10 mA to +10 mA
?100 kV/μs to +100 kV/μs
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
1
2
3
V DDI and V DDO refer to the supply voltages on the input and output sides of a
given channel, respectively. See the Printed Circuit Board Layout section.
See Figure 3 for maximum rated current values for various temperatures.
Refers to common-mode transients across the insulation barrier. Common-
mode transients exceeding the absolute maximum ratings may cause latch-
up or permanent damage.
Table 18. Maximum Continuous Working Voltage 1
Parameter
AC Voltage, Bipolar Waveform
DC Voltage
Max
300
300
Unit
V rms
V dc
Constraint
50-year minimum lifetime
50-year minimum lifetime
1
Refers to continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more details.
Table 19. ADuM7240 Truth Table (Positive Logic) 1
V IA Input
H
L
H
L
X
V IB Input
H
L
L
H
X
V DD1 State
Powered
Powered
Powered
Powered
Unpowered
V DD2 State
Powered
Powered
Powered
Powered
Powered
V OA Output
H
L
H
L
H
V OB Output
H
L
L
H
H
Notes
Outputs return to the input state within
1 μs of V DDI power restoration.
X
X
Powered
Unpowered
Indeterminate
Indeterminate
Outputs return to the input state within
1 μs of V DDO power restoration.
1
H = high, L = low, X = don’t care.
Table 20. ADuM7241 Truth Table (Positive Logic) 1
V IA Input
H
L
H
L
X
V IB Input
H
L
L
H
X
V DD1 State
Powered
Powered
Powered
Powered
Unpowered
V DD2 State
Powered
Powered
Powered
Powered
Powered
V OA Output
H
L
H
L
Indeterminate
V OB Output
H
L
L
H
H
Notes
Outputs return to the input state within
1 μs of V DDI power restoration.
X
X
Powered
Unpowered
H
Indeterminate
Outputs return to the input state within
1 μs of V DDO power restoration.
1
H = high, L = low, X = don’t care.
Rev. A | Page 8 of 16
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