Datasheet ADuM4470, ADuM4471, ADuM4472, ADuM4473, ADuM4474 (Analog Devices) - 2

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ADuM4470/ADuM4471/ADuM4472/ADuM4473/ADuM4474 Data Sheet TABLE OF CONTENTS
Features .. 1 Pin Configurations and Function Descriptions ... 15 Applications ... 1 Typical Performance Characteristics ... 20 Functional Block Diagram .. 1 Applications Information .. 26 General Description ... 1 Theory of Operation .. 26 Revision History ... 2 Application Schematics ... 26 Block Diagrams of I/O Channels.. 3 Transformer Design ... 27 Specifications ... 4 Transformer Turns Ratio ... 27 Electrical Characteristics—5 V Primary Input Supply/ Transformer ET Constant ... 27 5 V Secondary Isolated Supply ... 4 Transformer Primary Inductance and Resistance ... 28 Electrical Characteristics—3.3 V Primary Input Supply/ Transformer Isolation Voltage .. 28 3.3 V Secondary Isolated Supply .. 6 Switching Frequency .. 28 Electrical Characteristics—5 V Primary Input Supply/ 3.3 V Secondary Isolated Supply .. 8 Transient Response .. 28 Electrical Characteristics—5 V Primary Input Supply/ Component Selection .. 29 15 V Secondary Isolated Supply ... 10 Printed Circuit Board (PCB) Layout ... 29 Package Characteristics ... 12 Thermal Analysis ... 30 Regulatory Approvals (Pending) .. 12 Propagation Delay-Related Parameters ... 30 Insulation and Safety-Related Specifications .. 12 DC Correctness and Magnetic Field Immunity ... 30 DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Power Consumption .. 31 Characteristics .. 13 Power Considerations .. 32 Recommended Operating Conditions .. 13 Insulation Lifetime ... 33 Absolute Maximum Ratings .. 14 Outline Dimensions ... 34 ESD Caution .. 14 Ordering Guide .. 34
REVISION HISTORY 12/12—Revision 0: Initial Version
Rev. 0 | Page 2 of 36 Document Outline Features Applications Functional Block Diagram General Description Revision History Block Diagrams of I/O Channels Specifications Electrical Characteristics—5 V Primary Input Supply/5 V Secondary Isolated Supply Electrical Characteristics—3.3 V Primary Input Supply/3.3 V Secondary Isolated Supply Electrical Characteristics—5 V Primary Input Supply/3.3 V Secondary Isolated Supply Electrical Characteristics—5 V Primary Input Supply/15 V Secondary Isolated Supply Package Characteristics Regulatory Approvals (Pending) Insulation and Safety-Related Specifications DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Characteristics Recommended Operating Conditions Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Applications Information Theory of Operation Application Schematics Transformer Design Transformer Turns Ratio Transformer ET Constant Transformer Primary Inductance and Resistance Transformer Isolation Voltage Switching Frequency Transient Response Component Selection Printed Circuit Board (PCB) Layout Thermal Analysis Propagation Delay-Related Parameters DC Correctness and Magnetic Field Immunity Power Consumption Power Considerations Soft Start Mode and Current-Limit Protection Data Channel Power Cycle Insulation Lifetime Outline Dimensions Ordering Guide