ADUM7442ARQZ-RL7 Ver la hoja de datos (PDF) - Analog Devices
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ADUM7442ARQZ-RL7 Datasheet PDF : 20 Pages
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ADuM7440/ADuM7441/ADuM7442
PACKAGE CHARACTERISTICS
Table 13.
Parameter
Resistance (Input-to-Output)1
Capacitance (Input-to-Output)1
Input Capacitance2
IC Junction-to-Ambient Thermal
Resistance
Symbol Min Typ Max Unit Test Conditions
RI-O
1013
Ω
CI-O
2
pF f = 1 MHz
CI
4.0
pF
θJA
76
°C/W Thermocouple located at center of package
underside
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.
2 Input capacitance is from any input data pin to ground.
REGULATORY INFORMATION
The ADuM744x is approved 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
Recognized under UL 1577 Component
Recognition Program1
Single Protection,
1000 V rms Isolation Voltage
File E274400
CSA (Pending)
Approved under CSA Component
Acceptance Notice #5A
Basic insulation per CSA 60950-1-03 and IEC 60950-1, 148 V rms (210 V peak)
maximum working voltage
File 205078
1 In accordance with UL 1577, each ADuM744x 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 Value
1000
L(I01) 3.8
Minimum External Tracking (Creepage)
L(I02) 2.8
Minimum Internal Gap (Internal Clearance)
Tracking Resistance (Comparative Tracking Index) CTI
Isolation Group
2.6
>175
IIIa
Unit
V rms
mm min
mm min
μm min
V
Conditions
1-minute duration
Measured from input terminals to output terminals,
shortest distance through air
Measured from input terminals to output terminals,
shortest distance path along body
Insulation distance through insulation
DIN IEC 112/VDE 0303 Part 1
Material Group (DIN VDE 0110, 1/89, Table 1)
350
300
250
200
150
100
50
0
0
50
100
150
200
CASE TEMPERATURE (°C)
Figure 4. Thermal Derating Curve, Dependence of Safety-Limiting Values
with Case Temperature per DIN V VDE V 0884-10
RECOMMENDED OPERATING CONDITIONS
Table 16.
Parameter
Symbol Min Max Unit
Operating Temperature
TA
−40 +105 °C
Supply Voltages1
VDD1, VDD2 3.0 5.5
V
Input Signal Rise and Fall Times
1.0 ms
1 All voltages are relative to their respective ground. See the DC Correctness
and Magnetic Field Immunity section for information on immunity to external
magnetic fields.
Rev. B | Page 7 of 20
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