Datasheet
Table Of Contents
- Features
- Applications
- General Description
- Functional Block Diagrams
- Revision History
- Specifications- Electrical Characteristics—3.3 V Operation
- Electrical Characteristics—2.5 V Operation
- Electrical Characteristics—VDD1 = 3.3 V, VDD2 = 2.5 V Operation
- Electrical Characteristics—VDD1 = 2.5 V, VDD2 = 3.3 V Operation
- Package Characteristics
- Regulatory Information
- Insulation and Safety Related Specifications
- DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 Insulation Characteristics
- Intrinsic Safety
 
- Absolute Maximum Ratings
- Pin Configurations and Function Descriptions
- Typical Performance Characteristics
- Applications Information
- Outline Dimensions
ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447  Data Sheet 
Rev. E | Page 10 of 25 
INSULATION AND SAFETY RELATED SPECIFICATIONS 
Table 13.  
Parameter  Symbol  Value  Unit  Test Conditions/Comments 
Rated Dielectric Insulation Voltage (RQ-16) 
2500 
V rms 
1-minute duration 
Rated Dielectric Insulation Voltage (RS-20)    3750  V rms  1-minute duration 
Minimum External Tracking and Air Gap, RQ-16 (Creepage 
and Clearance) 
L(I02)  3.1  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, RQ-16 (PCB Clearance) 
L(I01)  3.8   mm min  Measured from input terminals to output 
terminals, shortest distance through air, line 
of sight, in the PCB mounting plane  
Minimum External Tracking and Air Gap, RS-20 (Creepage 
and 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, RS-20 (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. 16-Lead QSOP (RQ-16) 
Description  Test Conditions/Comments  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 per DIN VDE 0110, Table 1      2   
Maximum Working Insulation Voltage    V
IORM
  565  V
PEAK
Input-to-Output Test Voltage, Method b1   V
IORM
 × 1.875 = V
pd(m)
, 100% production test,  
t
ini
 = t
m
 = 1 sec, partial discharge < 5 pC 
V
pd(m)
  1059  V
PEAK
Input-to-Output Test Voltage, Method a          
After Environmental Tests Subgroup 1  V
IORM
 × 1.5 = V
pd(m)
, t
ini
 = 60 sec, t
m
 = 10 sec,  
partial discharge < 5 pC 
V
pd(m)
  847  V
PEAK
After Input and/or Safety Test Subgroup 2 
and Subgroup 3 
V
IORM
 × 1.2 = V
pd(m)
, t
ini
 = 60 sec, t
m
 = 10 sec,  
partial discharge < 5 pC 
V
pd(m)
678 
V
PEAK
Highest Allowable Overvoltage     V
IOTM
  4000  V
PEAK
Surge Isolation Voltage  V
PEAK
 = 10 kV, 1.2 µs rise time, 50 µs, 50% fall time  V
IOSM
  6250  V
PEAK
Safety Limiting Values  Maximum value allowed in the event of a failure  
(see Figure 4) 
Case Temperature    T
S
  150  °C 
Total Power Dissipation at 25°C    I
S1
  1.64  W 
Insulation Resistance at T
S
  V
IO
 = 500 V  R
S
  >10
9
  Ω 










