ADuM1280/ADuM1281/ADuM1285/ADuM1286 Data Sheet
Rev. D | Page 8 of 18
Parameter Symbol Min Typ Max Unit Test Conditions
AC SPECIFICATIONS
Output Rise/Fall Time t
R
/t
F
2.5 ns 10% to 90%
Common-Mode Transient Immunity
1
|CM| 25 35 kV/µs V
Ix
= V
DDx
, V
CM
= 1000 V,
transient magnitude = 800 V
Refresh Period t
r
1.6 µs
1
|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V
o
> 0.8 V
DDX.
The common-mode voltage slew rates apply to both rising and
falling common-mode voltage edges.
PACKAGE CHARACTERISTICS
Table 13.
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
Resistance (Input-to-Output)
1
R
I-O
10
13
Ω
Capacitance (Input-to-Output)
1
C
I-O
2 pF f = 1 MHz
Input Capacitance
2
C
I
4.0 pF
IC Junction-to-Ambient Thermal Resistance θ
JA
85 °C/W Thermocouple located at center of package
underside
1
The device is considered a 2-terminal device; 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.
REGULATORY INFORMATION
The ADuM1280/ADuM1281/ADuM1285/ADuM1286 are approved by the organizations listed in Table 14. See Table 18 and Table 19 for
recommended maximum working voltages for specific cross-isolation waveforms and insulation levels.
Table 14.
Recognized Under UL 1577
Component Recognition Program
1
Approved under CSA Component Acceptance
Notice 5A
Certified according to DIN V VDE V 0884-10
(VDE V 0884-10): 2006-12
2
Single Protection, 3000 V rms
Isolation Voltage
Basic insulation per CSA 60950-1-03 and
IEC 60950-1, 390 V rms (550 V peak) maximum
working voltage
Reinforced insulation, 560 V peak
File E214100 File 205078 File 2471900-4880-0001
1
In accordance with UL 1577, each ADuM1280/ADuM1281/ADuM1285/ADuM1286 is proof tested by applying an insulation test voltage ≥ 3600 V rms for 1 second
(current leakage detection limit = 6 µA).
2
In accordance with DIN V VDE V 0884-10, each ADuM1280/ADuM1281/ADuM1285/ADuM1286 is proof tested by applying an insulation test voltage ≥ 1050 V peak for
1 second (partial discharge detection limit = 5 pC). The asterisk (*) marked on the component designates DIN V VDE V 0884-10
approval.
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 15.
Parameter Symbol Value Unit Test Conditions/Comments
Rated Dielectric Insulation Voltage 3000 V rms 1-minute duration
Clearance in the Plane of the PCB CL
PCB
4.5 mm min Measured from input terminals to output terminals,
shortest line of sight distance through air in the
plane of the PCB
Minimum External Air Gap (Clearance) L(I01) 4.0 mm min Measured from input terminals to output terminals,
shortest distance through air
Minimum External Tracking (Creepage) L(I02) 4.0 mm min Measured from input terminals to output terminals,
shortest distance path along body
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)