ADuM3223/ADuM4223 Data Sheet
Rev. I | Page 10 of 20
Table 12. Maximum Continuous Working Voltage
1
Parameter Max Unit Constraint
AC Voltage, Bipolar Waveform 565 V peak
50-year minimum lifetime
AC Voltage, Unipolar Waveform 1131 V peak
50-year minimum lifetime
DC Voltage 1131 V peak 50-year minimum lifetime
1
Refers to the continuous voltage magnitude imposed across the isolation barrier. See the Insulation Lifetime section for more details.
Table 13. Truth Table ADuM3223/ADuM4223 (Positive Logic)
1
DISABLE
2
V
IA
Input
V
IB
Input V
DD1
State V
DDA
/V
DDB
State V
OA
Output V
OB
Output Notes
L L L Powered Powered L L
L L H Powered Powered L H
L H L Powered Powered H L
L H H Powered Powered H H
H X X Powered Powered L L
L L L Unpowered Powered L L
Outputs return to the input state
within 1 μs of V
DD1
power restoration.
X X X Powered Unpowered L L
Outputs return to the input state
within 50 μs of V
DDA
/V
DDB
power
restoration.
1
X means don’t care, L means low, and H means high.
2
Reaction to DISABLE is approximately one propagation delay.