Data Sheet ADuM4120/ADuM4120-1
Rev. 0 | Page 5 of 17
PACKAGE CHARACTERISTICS
Table 3.
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
Resistance (Input Side to High-Side Output)
1
R
I-O
10
12
Ω
Capacitance (Input Side to High-Side Output)
1
C
I-O
2.0 pF
Input Capacitance C
I
4.0 pF
Junction to Ambient Thermal Resistance θ
JA
123.7 °C/W
4-layer printed circuit
board (PCB)
1
The device is considered a 2-terminal device: Pin 1 through Pin 3 are shorted together, and Pin 4 through Pin 6 are shorted together.
INSULATION AND SAFETY RELATED SPECIFICATIONS
Table 4.
Parameter Symbol Value Unit Conditions
Rated Dielectric Insulation Voltage 5000 V rms 1 minute duration
Minimum External Air Gap (Clearance) L(I01) 8 min mm
Measured from input terminals to output terminals,
shortest distance through air
Minimum External Tracking (Creepage) L(I02) 8 min mm
Measured from input terminals to output terminals,
shortest distance path along body
Minimum Clearance in the Plane of the PCB Clearance
L(PCB) 8.3 min mm
Measured from input terminals to output terminals,
shortest distance through air, line of sight, in the PCB
mounting plane
Minimum Internal Gap (Internal Clearance) 25.5 min μm Insulation distance through insulation
Tracking Resistance (Comparative Tracking Index) CTI >400 V DIN IEC 112/VDE 0303 Part 3
Isolation Group II Material Group (DIN VDE 0110, 1/89, Table 1)
DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS
This isolator is suitable for reinforced isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits.
Table 5. VDE Characteristics
Description Test Conditions/Comments Symbol Characteristic Unit
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 600 V rms I to IV
Climatic Classification 40/105/21
Pollution Degree per DIN VDE 0110, Table 1 2
Maximum Working Insulation Voltage V
IORM
849 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)
1592 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)
1274 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)
1019 V peak
Highest Allowable Overvoltage V
IOTM
7000 V peak
Surge Isolation Voltage Basic V peak = 16 kV, 1.2 μs rise time, 50 μs, 50% fall time V
IOSM
16,000 V peak
Surge Isolation Voltage Reinforced V peak = 16 kV, 1.2 μs rise time, 50 μs, 50% fall time V
IOSM
10,000 V peak
Safety Limiting Values
Maximum value allowed in the event of a failure (see
Figure 2)
Maximum Junction Temperature T
S
150 °C
Safety Total Dissipated Power P
S
1.0 W
Insulation Resistance at T
S
V
IO
= 500 V R
S
>10
9
Ω
