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Data Sheet
PACKAGE CHARACTERISTICS
Table 13.
ADuM7240/ADuM7241
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
Resistance (Input-to-Output) 1
R I-O
10 13
?
Capacitance (Input-to-Output) 1
Input Capacitance 2
IC Junction-to-Ambient Thermal
C I-O
C I
θ JA
2
4
85
pF
pF
°C/W
f = 1 MHz
Thermocouple located at center of package
Resistance
underside
1
2
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.
Input capacitance is from any input data pin to ground.
REGULATORY INFORMATION
The ADuM7240 / ADuM7241 are pending approval by the organizations listed in Table 14. See Table 18 and the Insulation Lifetime
section for recommended maximum working voltages for specific cross-isolation waveforms and insulation levels.
Table 14.
UL (Pending)
Recognized Under UL 1577 Component Recognition Program 1
Single Protection, 1000 V rms Isolation Voltage
File E274400
1
In accordance with UL 1577, each ADuM7240 / ADuM7241 is proof tested by applying an insulation test voltage ≥1200 V rms for 1 sec (current leakage detection limit = 5 μA).
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 15.
Parameter
Rated Dielectric Insulation Voltage
Minimum External Air Gap (Clearance)
Symbol
L(I01)
Value
1000
4.0
Unit
V rms
mm min
Test Conditions/Comments
1-minute duration
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)
2.6
μm min
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)
300
250
RECOMMENDED OPERATING CONDITIONS
Table 16.
Parameter
Symbol
Min
Max
Unit
200
150
Operating Temperature
Supply Voltages 1
Input Signal Rise and Fall Times
T A
V DD1 , V DD2
?40
3.0
+105
5.5
1.0
°C
V
ms
100
50
0
1
All voltages are relative to their respective ground. See the DC Correctness
section for information about immunity to external magnetic fields.
0
50
100
150
200
AMBIENT TEMPERATURE (°C)
Figure 3. Thermal Derating Curve, Dependence of Safety-Limiting Values
with Ambient Temperature per DIN V VDE V 0884-10
Rev. A | Page 7 of 16
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