Data Sheet

ADuM1280/ADuM1281/ADuM1285/ADuM1286

Rev. A | Page 11 of 20

DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 INSULATION CHARACTERISTICS

These isolators are suitable for reinforced electrical isolation within the safety limit data only. Maintenance of the safety data is ensured by

protective circuits. The asterisk (*) marked on packages denotes DIN V VDE V 0884-10 approval.

Table 25.

Description

Conditions

Symbol

Characteristic

Unit

Installation Classificationper 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

PollutionDegree per DIN VDE 0110, Table 1

2

Maximum Working InsulationVoltage

560

Input-to-Output Test Voltage, Method B1

1050

Input-to-Output Test Voltage, Method A

After Environmental Tests Subgroup 1

partial discharge < 5 pC

840

After Input and/or Safety Test Subgroup 2

and Subgroup 3

partial discharge < 5 pC

672

Highest Allowable Overvoltage

4000

Withstand IsolationVoltage

1 minute withstand rating

3000

Surge IsolationVoltage

6000

Safety LimitingValues

Maximum value allowed in the event of a failure

(see Figure 3)

Case Temperature

150

°C

290

mA

Ω

300

0

50

100

150

200

250

0

50

100

150

200

AMBIENT TEMPERATURE (°C)

Limiting Values with Case Temperature per DIN V VDE V 0884-10

RECOMMENDED OPERATING CONDITIONS

Table 26.

Parameter

Symbol

Min

Max

Unit

OperatingTemperature

−40

+125 °C

Supply Voltages1

A, B, andC Grades

2.7

5.5

V

WA, WB, andWC Grades

3.0

5.5

V

Input Signal RiseandFall Times

1.0

ms

1

See the DC Correctness and Magnetic Field Immunity section.