Datasheet

ADuM5240/ADuM5241/ADuM5242 Data Sheet
Rev. B | Page 6 of 16
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 I to IV
For Rated Mains Voltage ≤ 300 V rms I to III
Climatic Classification 40/105/21
Pollution Degree (DIN VDE 0110, Table 1) 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
test, t
m
= 1 sec, partial discharge < 5 pC
V
PR
795 V peak
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
discharge < 5 pC
680 V peak
After Input and/or Safety Test Subgroup 2 and Subgroup 3
V
IORM
× 1.2 = V
PR
, t
m
= 60 sec, partial
discharge < 5 pC
510 V peak
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 T
S
150 °C
Supply Current I
S1
312 mA
Insulation Resistance at T
S
V
IO
= 500 V R
S
>10
9
Ω
350
0
0200
06014-004
AMBIENT TEMPERATURE (°C)
SAFE OPERATING V
DD
CURRENT (mA)
300
250
200
150
100
50
50 100 150
Figure 4. Thermal Derating Curve, Dependence of Safety-Limiting
Values on Case Temperature, per DIN V VDE V 0884-10
RECOMMENDED OPERATING CONDITIONS
Table 6.
Parameter Value
Operating Temperature Range (T
A
) −40°C to +105°C
Supply Voltages
1
V
DD
, DC-to-DC Converter Enabled 4.5 V to 5.5 V
V
DD
, DC-to-DC Converter Disabled (V
DD
) 2.7 V to 4.0 V
V
ISO
, DC-to-DC Converter Disabled (V
ISO
) 2.7 V to 5.5 V
Input Signal Rise/Fall Time 1.0 ms
Input Supply Slew Rate 10 V/ms
1
All voltages are relative to their respective ground.
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