adum1250 Analog Devices, Inc., adum1250 Datasheet - Page 6

• Manufacturer Part Number: adum1250
• Description: Hot Swappable Dual I2c Isolators
• Manufacturer: Analog Devices, Inc.

ADuM1250/ADuM1251
DIN EN 60747-5-2 (VDE 0884 PART 2) INSULATION CHARACTERISTICS
This isolator is suitable for basic isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits.
The * marking on the package denotes DIN EN 60747-5-2 approval for a 560 V peak working voltage.
Table 6.
Description
Installation Classification per DIN VDE 0110
Climatic Classification
Pollution Degree (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 (Transient Overvoltage, t
Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure (See also
Insulation Resistance at T
RECOMMENDED OPERATING CONDITIONS
Table 7.
Parameter
Operating Temperature
Supply Voltages
Input/Output Signal Voltage
Capacitive Load, Side 1
Capacitive Load, Side 2
Static Output Loading, Side 1
Static Output Loading, Side 2
1
All voltages are relative to their respective ground. See the
For Rated Mains Voltage ≤ 150 V rms
For Rated Mains Voltage ≤ 300 V rms
For Rated Mains Voltage ≤ 400 V rms
V
After Environmental Tests Subgroup 1
After Input and/or Safety Test Subgroup 2/3
Case Temperature
Side 1 Current
Side 2 Current
IORM
V
V
IORM
IORM
× 1.875 = V
× 1.6 = V
× 1.2 = V
1
PR
PR
PR
, 100% Production Test, t
, t
, t
m
m
= 60 sec, Partial Discharge < 5 pC
= 60 sec, Partial Discharge < 5 pC
S
, V
IO
= 500 V
Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values on
m
350
300
250
200
150
100
= 1 sec, Partial Discharge < 5 pC
50
0
0
Application Notes
Case Temperature, per DIN EN 60747-5-2
TR
= 10 sec)
Symbol
T
V
V
C
C
I
I
SDA1
SDA2
A
DD1
SDA1
L1
L2
50
, V
, I
, I
, V
SCL1
SCL2
DD2
CASE TEMPERATURE (°C)
SCL1
Rev. 0 | Page 6 of 12
section for data on immunity to external magnetic fields.
, V
SDA2
, V
100
SCL2
Figure 3
150
)
200
Min
−40
3.0
0.5
0.5
Symbol
V
V
V
V
T
I
I
R
S1
S2
IORM
PR
PR
TR
S
S
Max
+105
5.5
5.5
40
400
3
30
Characteristic
I to IV
I to III
I to II
40/105/21
2
560
1050
896
672
4000
150
160
170
>10
9
Unit
°C
V
V
pF
pF
mA
mA
Unit
V
V
V
V
°C
mA
mA
Ω
PEAK
PEAK
PEAK
PEAK