Datasheet

Data Sheet ADuM2250/ADuM2251
Rev. A | Page 7 of 16
DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS
Note that the * marking on the package denotes DIN V VDE V 0884-10 approval for a 848 V peak working voltage. This isolator is
suitable for reinforced isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits.
Table 6.
Description Conditions Symbol Characteristic Unit
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 300 V rms I to IV
For Rated Mains Voltage ≤ 450 V rms I to II
For Rated Mains Voltage ≤ 600 V rms I to II
Climatic Classification 40/105/21
Pollution Degree (DIN VDE 0110, Table 1) 2
Maximum Working Insulation Voltage V
IORM
846 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
1590 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 1375 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 1018 V peak
Highest Allowable Overvoltage Transient overvoltage, t
TR
= 10 seconds V
TR
6000 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
DD1
+ I
DD2
I
S
555 mA
Insulation Resistance at T
S
V
IO
= 500 V R
S
>10
9
Ω
600
500
400
300
200
100
0
SAFE OPERATING V
DD1
CURRENT (mA)
0 50 100 150 200
AMBIENT TEMPEARTURE (°C)
06670-003
Figure 4. Thermal Derating Curve, Dependence of Safety-Limiting Values on
Case Temperature, per DIN V VDE V 0884-10
RECOMMENDED OPERATING CONDITIONS
Table 7.
Parameter Symbol Min Max Unit
Operating Temperature T
A
−40 +105 °C
Supply Voltages
1
V
DD1
, V
DD2
3.0 5.5 V
Input/Output Signal Voltage V
SDA1
, V
SCL1
,
V
SDA2
, V
SCL2
5.5 V
Capacitive Load, Side 1 C
L1
40 pF
Capacitive Load, Side 2 C
L2
400 pF
Static Output Loading, Side 1 I
SDA1
, I
SCL1
0.5 3 mA
Static Output Loading, Side 2 I
SDA2
, I
SCL2
0.5 30 mA
1
All voltages are relative to their respective ground.