ADuM1234
PACKAGE CHARACTERISTICS
Table 2.
Data Sheet
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
Resistance (Input-to-Output) 1
R I-O
10 12
Ω
Capacitance (Input-to-Output) 1
Input Capacitance
IC Junction-to-Ambient Thermal Resistance
C I-O
C I
θ JA
2.0
4.0
45
pF
pF
°C/W
f = 1 MHz
1
The device is considered a 2-terminal device: Pin 1 through Pin 8 are shorted together, and Pin 9 through Pin 16 are shorted together.
REGULATORY INFORMATION
The ADuM1234 is approved by the organizations listed in Table 3. Refer to Table 8 and the Insulation Lifetime section for more
information about the recommended maximum working voltages for specific cross-isolation waveforms and insulation levels.
Table 3.
UL
Recognized under UL 1577 component recognition program 1
Single/basic 2500 V rms isolation voltage
File E214100
VDE
Certified according to DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 2
Reinforced insulation, 560 V peak
File 2471900-4880-0001
1
2
In accordance with UL 1577, each ADuM1234 is proof tested by applying an insulation test voltage ≥ 3000 V rms for 1 sec (current leakage detection limit = 5 μA).
In accordance with DIN V VDE V 0884-10 (VDE V 0884-10):2006-12, each ADuM1234 is proof tested by applying an insulation test voltage ≥ 1050 V peak for 1 sec
(partial discharge detection limit = 5 pC). The asterisk (*) marking branded on the component designates DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 approval.
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 4.
Parameter
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
Symbol
L(I01)
Value
2500
3.5 min
Unit
V rms
mm
Test Conditions/Comments
1 minute duration
Measured from input terminals to output terminals,
shortest distance through air
Minimum External Tracking (Creepage)
L(I02)
3.5 min
mm
Measured from input terminals to output terminals,
shortest distance path along body
Minimum Internal Gap (Internal Clearance)
0.017 min
mm
Insulation distance through insulation
Tracking Resistance (Comparative Tracking Index)
Isolation Group
CTI
>175
IIIa
V
DIN IEC 112/VDE 0303, Part 1
Material Group (DIN VDE 0110, 1/89, Table 1)
Rev. A | Page 4 of 12
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