Data Sheet
ADuM220N/ADuM221N/ADuM225N/ADuM226N
INSULATION AND SAFETY RELATED SPECIFICATIONS
For additional information, see www.analog.com/icouplersafety.
Table 9. ADuM220N/ADuM221N
Parameter
Symbol Value Unit
Test Conditions/Comments
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
5000
7.8
V rms
1-minute duration
L (I01)
L (I02)
L (PCB)
mm min Measured from input terminals to output terminals,
shortest distance through air
mm min Measured from input terminals to output terminals,
shortest distance path along body
mm min Measured from input terminals to output terminals,
shortest distance through air, line of sight, in the PCB
mounting plane
Minimum External Tracking (Creepage)
7.8
8.3
Minimum Clearance in the Plane of the Printed
Circuit Board (PCB Clearance)
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking Index)
Material Group
25.5
>400
II
μm min
V
Insulation distance through insulation
DIN IEC 112/VDE 0303 Part 1
Material Group (DIN VDE 0110, 1/89, Table 1)
CTI
Table 10. ADuM225N/ADuM226N
Parameter
Symbol Value Unit
Test Conditions/Comments
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
5000
8.3
V rms
1-minute duration
L (I01)
L (I02)
L (PCB)
mm min Measured from input terminals to output terminals,
shortest distance through air
mm min Measured from input terminals to output terminals,
shortest distance path along body
mm min Measured from input terminals to output terminals,
shortest distance through air, line of sight, in the PCB
mounting plane
Minimum External Tracking (Creepage)
8.3
8.3
Minimum Clearance in the Plane of the Printed
Circuit Board (PCB Clearance)
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking Index)
Material Group
25.5
>400
II
μm min
V
Insulation distance through insulation
DIN IEC 112/VDE 0303 Part 1
Material Group (DIN VDE 0110, 1/89, Table 1)
CTI
PACKAGE CHARACTERISTICS
Table 11. ADuM220N/ADuM221N
Parameter
Symbol Min Typ
Max Unit Test Conditions/Comments
Resistance (Input to Output)1
Capacitance (Input to Output)1
Input Capacitance2
RI-O
CI-O
CI
1013
2.2
4.0
45
Ω
pF
pF
f = 1 MHz
IC Junction to Ambient Thermal
Resistance
θJA
°C/W Thermocouple located at center of package
underside
1 These devices are considered 2-terminal devices: Pin 1 through Pin 8 are shorted together, and Pin 9 through Pin 16 are shorted together.
2 Input capacitance is from any input data pin to ground.
Table 12. ADuM225N/ADuM226N
Parameter
Symbol Min Typ
Max Unit Test Conditions/Comments
Resistance (Input to Output)1
Capacitance (Input to Output)1
Input Capacitance2
RI-O
CI-O
CI
1013
2.2
4.0
80
Ω
pF
pF
f = 1 MHz
IC Junction to Ambient Thermal
Resistance
θJA
°C/W Thermocouple located at center of package
underside
1 These devices are considered 2-terminal devices: Pin 1 through Pin 4 are shorted together, and Pin 5 through Pin 8 are shorted together.
2 Input capacitance is from any input data pin to ground.
Rev. 0 | Page 9 of 23
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