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ADuM5240/ADuM5241/ADuM5242
Data Sheet
DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS
This isolator is suitable for reinforced isolation only within the safety limit data. Maintenance of the safety data is ensured by protective
circuits.
Table 5.
Description
Conditions
Symbol
Characteristic
Unit
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 150 V rms
For Rated Mains Voltage ≤ 300 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110, Table 1)
I to IV
I to III
40/105/21
2
Maximum Working Insulation Voltage
V IORM
424
V peak
Input-to-Output Test Voltage, Method b1
V IORM × 1.875 = V PR , 100% production
V PR
795
V peak
test, t m = 1 sec, partial discharge < 5 pC
Input-to-Output Test Voltage, Method a
V PR
After Environmental Tests Subgroup 1
V IORM × 1.6 = V PR , t m = 60 sec, partial
680
V peak
discharge < 5 pC
After Input and/or Safety Test Subgroup 2 and Subgroup 3
V IORM × 1.2 = V PR , t m = 60 sec, partial
510
V peak
discharge < 5 pC
Highest Allowable Overvoltage
Transient overvoltage, t TR = 10 seconds
V TR
4000
V peak
Safety-Limiting Values
Maximum value allowed in the event of
a failure; see Figure 4
Case Temperature
Supply Current
T S
I S1
150
312
°C
mA
Insulation Resistance at T S
V IO = 500 V
R S
>10 9
Ω
350
300
RECOMMENDED OPERATING CONDITIONS
Table 6.
Parameter
Value
250
200
150
100
50
Operating Temperature Range (T A )
Supply Voltages 1
V DD , DC-to-DC Converter Enabled
V DD , DC-to-DC Converter Disabled (V DD )
V ISO , DC-to-DC Converter Disabled (V ISO )
Input Signal Rise/Fall Time
Input Supply Slew Rate
?40°C to +105°C
4.5 V to 5.5 V
2.7 V to 4.0 V
2.7 V to 5.5 V
1.0 ms
10 V/ms
0
1
All voltages are relative to their respective ground.
0
50
100
150
200
AMBIENT TEMPERATURE (°C)
Figure 4. Thermal Derating Curve, Dependence of Safety-Limiting
Values on Case Temperature, per DIN V VDE V 0884-10
Rev. B | Page 6 of 16
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