Datasheet ADUM7234 (Analog Devices) - 4

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ADuM7234 Data Sheet PACKAGE CHARACTERISTICS Table 2. Parameter S ymbol Min Typ Max Unit Test Conditions/Comments
Resistance (Input-to-Output)1 RI-O 1012 Ω Capacitance (Input-to-Output)1 CI-O 2.0 pF f = 1 MHz Input Capacitance CI 4.0 pF IC Junction-to-Ambient Thermal Resistance θJA 76 °C/W 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.
INSULATION AND SAFETY-RELATED SPECIFICATIONS Table 3. Parameter Symbol Value Unit Test Conditions/Comments
Rated Dielectric Insulation Voltage 1000 V rms 1 minute duration Minimum External Air Gap (Clearance) L(I01) 4.0 min mm Measured from input terminals to output terminals, shortest distance through air Minimum External Tracking (Creepage) L(I02) 4.0 min mm Measured from input terminals to output terminals, shortest distance path along body Minimum Internal Gap (Internal Clearance) 0.025 min mm Insulation distance through insulation Tracking Resistance (Comparative Tracking Index) CTI >600 V DIN IEC 112/VDE 0303, Part 1 Isolation Group I Material Group (DIN VDE 0110, 1/89, Table 1) Maximum Working Voltage Compatible with VIORM 354 V peak Continuous peak voltage across the isolation barrier 50 Years Service Life
RECOMMENDED OPERATING CONDITIONS Table 4. Parameter Symbol Min Max Unit
Operating Temperature TA −40 +105 °C Input Supply Voltage1 VDD1 4.5 5.5 V Output Supply Voltages1 VDDA, VDDB 12 18 V Input Signal Rise and Fall Times 100 ns Common-Mode Transient Immunity2 Input-to-Output −35 +35 kV/μs Between Outputs −35 +35 kV/μs Transient Immunity, Supply Voltages2 −35 +35 kV/μs 1 All voltages are relative to their respective grounds. 2 See the Common-Mode Transient Immunity section for more information.
REGULATORY INFORMATION
The ADuM7234 is approved by the organization listed in Table 5.
Table 5. UL
Recognized under UL 1577 component recognition program1 Single/basic insulation, 1000 V rms isolation voltage File E214100 1 In accordance with UL 1577, each ADuM7234 is proof tested by applying an insulation test voltage of 1200 V rms for 1 sec (current leakage detection limit = 5 μA). Rev. B | Page 4 of 12 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Electrical Characteristics Package Characteristics Insulation and Safety-Related Specifications Recommended Operating Conditions Regulatory Information Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Applications Information Common-Mode Transient Immunity Insulation Lifetime Outline Dimensions Ordering Guide