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ADUM1251 Datasheet(PDF) 6 Page - Analog Devices

No. de pieza ADUM1251
Descripción Electrónicos  Hot Swappable Dual I2C Isolators
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ADUM1251 Datasheet(HTML) 6 Page - Analog Devices

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ADuM1250/ADuM1251
Rev. 0 | Page 6 of 12
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
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
For Rated Mains Voltage ≤ 400 V rms
I to II
Climatic Classification
40/105/21
Pollution Degree (DIN VDE 0110, Table 1)
2
Maximum Working Insulation Voltage
VIORM
560
VPEAK
Input-to-Output Test Voltage, Method b1
VPR
1050
VPEAK
VIORM × 1.875 = VPR, 100% Production Test, tm = 1 sec, Partial Discharge < 5 pC
Input-to-Output Test Voltage, Method a
VPR
After Environmental Tests Subgroup 1
VIORM × 1.6 = VPR, tm = 60 sec, Partial Discharge < 5 pC
896
VPEAK
After Input and/or Safety Test Subgroup 2/3
672
VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC
Highest Allowable Overvoltage (Transient Overvoltage, tTR = 10 sec)
VTR
4000
VPEAK
Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure (See also
Figure 3)
Case Temperature
TS
150
°C
Side 1 Current
IS1
160
mA
Side 2 Current
IS2
170
mA
Insulation Resistance at TS, VIO = 500 V
RS
>109
Ω
CASE TEMPERATURE (°C)
0
0
350
50
100
150
200
50
300
150
100
200
250
Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values on
Case Temperature, per DIN EN 60747-5-2
RECOMMENDED OPERATING CONDITIONS
Table 7.
Parameter
Symbol
Min
Max
Unit
Operating Temperature
TA
−40
+105
°C
Supply Voltages1
VDD1, VDD2
3.0
5.5
V
Input/Output Signal Voltage
VSDA1, VSCL1, VSDA2, VSCL2
5.5
V
Capacitive Load, Side 1
CL1
40
pF
Capacitive Load, Side 2
CL2
400
pF
Static Output Loading, Side 1
ISDA1, ISCL1
0.5
3
mA
Static Output Loading, Side 2
ISDA2, ISCL2
0.5
30
mA
1 All voltages are relative to their respective ground. See the Application Notes section for data on immunity to external magnetic fields.


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