adum1251 Analog Devices, Inc., adum1251 Datasheet - Page 6

• Manufacturer Part Number: adum1251
• Description: Hot Swappable Dual I2c Isolators
• Manufacturer: Analog Devices, Inc.

ADuM1250/ADuM1251
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. The * marking on the package denotes DIN V VDE V 0884-10 approval for a 560 V peak working voltage.
Table 6.
Description
Installation Classification per DIN VDE 0110
Climatic Classification
Pollution Degree per DIN VDE 0110, Table 1
Maximum Working Insulation Voltage
Input-to-Output Test Voltage, Method B1
Input-to-Output Test Voltage, Method A
Highest Allowable Overvoltage
Safety-Limiting Values
Insulation Resistance at T
Figure 3. Thermal Derating Curve, Dependence of Safety-Limiting Values on
For Rated Mains Voltage ≤ 150 V rms
For Rated Mains Voltage ≤ 300 V rms
For Rated Mains Voltage ≤ 400 V rms
After Environmental Tests Subgroup 1
After Input and/or Safety Test Subgroup 2
and Subgroup 3
Case Temperature
V
DD1
350
300
250
200
150
100
+ V
50
0
0
DD2
Current
Case Temperature, per DIN V VDE V 0884-10
50
CASE TEMPERATURE (°C)
S
100
150
Conditions
V
partial discharge < 5 pC
V
V
Transient overvoltage, t
Maximum value allowed in the event of a failure
(see Figure 3)
V
IORM
IORM
IORM
IO
= 500 V
× 1.875 = V
× 1.6 = V
× 1.2 = V
200
PR
PR
Rev. A| Page 6 of 12
, t
, t
PR
m
m
, 100% production test, t
= 60 sec, partial discharge < 5 pC
= 60 sec, partial discharge < 5 pC
TR
= 10 seconds
RECOMMENDED OPERATING CONDITIONS
Table 7.
Parameter
Operating Temperature
Supply Voltages
Input/Output Signal Voltage
Capacitive Load
Static Output Loading
1
All voltages are relative to their respective ground. See the Application
Information section for data on immunity to external magnetic fields.
Side 1
Side 2
Side 1
Side 2
m
1
= 1 sec,
Symbol
V
V
V
V
T
I
R
TMAX
S
IORM
PR
PR
TR
S
Symbol
T
V
V
V
C
C
I
I
SDA1
SDA2
A
DD1
SDA1
SDA2
L1
L2
, I
, I
, V
, V
, V
SCL1
SCL2
DD2
SCL1
SCL2
Characteristic
I to IV
I to III
I to II
40/105/21
2
560
1050
896
672
4000
150
212
>10
,
9
Min
−40
3.0
0.5
0.5
Max
+105
5.5
5.5
40
400
3
30
Unit
V peak
V peak
V peak
V peak
V peak
°C
mA
Ω
Unit
°C
V
V
pF
pF
mA
mA