ADuM1240/ADuM1241/ADuM1245/ADuM1246

Data Sheet

INSULATION AND SAFETY RELATED SPECIFICATIONS

Table 13.

Parameter

Symbol

Value

Unit

Test Conditions/Comments

Rated Dielectric Insulation Voltage

(8-Lead SOIC)

3000

V rms

1 minute duration

Rated Dielectric Insulation Voltage

(20-Lead SSOP)

3750

V rms

1 minute duration

Minimum External Tracking and Air Gap,

8-Lead SOIC (Creepage and Clearance)

L(I02)

4

mm min

Measured from input terminals to output terminals,

shortest distance path along package body

Minimum Clearance in the Plane of the

Printed Circuit Board, 8-Lead SOIC (PCB

Clearance)

L(I01)

4.5

mm min

Measured from input terminals to output terminals, shortest

distance through air, line of sight, in the PCB mounting plane

Minimum Clearance in the Plane of the

Printed Circuit Board, 20-Lead SSOP

(PCB Clearance)

L(I01)

5.1

mm min

Measured from input terminals to output terminals,

shortest distance path along package body

Minimum Clearance in the Plane of the

Printed Circuit Board, 20-Lead SSOP

(PCB Clearance)

L(I02)

5.1

mm min

Measured from input terminals to output terminals, shortest

distance through air, line of sight, in the PCB mounting plane

Minimum Internal Gap (Internal

Clearance)

0.017

mm min

Insulation distance through insulation

Tracking Resistance (Comparative

Tracking Index)

CTI

>400

V

DIN IEC 112/VDE 0303 Part 1

Isolation Group

II

Material Group (DIN VDE 0110, 1/89, Table 1)

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 14. 8-Lead SOIC (R-8)

Parameter

Symbol

Test Conditions/Comments

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 per DIN VDE 0110, Table 1

2

Maximum Working Insulation Voltage

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

3500

Surge Isolation Voltage

4000

Safety Limiting Values

Maximum value allowed in the event of a failure

(see Figure 4)

Case Temperature

150

°C

Total Power Dissipation at 25°C

1.64

W

Ω

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