ADuM6420A/ADuM6421A/ADuM6422A
Data Sheet
TABLE OF CONTENTS
Features.............................................................................................. 1
Insulation and Safety Related Specifications.......................... 11
DIN V VDE V 0884-11 Insulation Characteristics............... 12
Recommended Operating Conditions.................................... 12
Absolute Maximum Ratings......................................................... 13
ESD Caution ............................................................................... 13
Pin Configurations and Function Descriptions......................... 14
Truth Table ................................................................................. 17
Typical Performance Characteristics .......................................... 18
Terminology.................................................................................... 21
Theory of Operation ...................................................................... 22
Applications Information ............................................................. 23
PCB Layout ................................................................................. 23
Thermal Analysis ....................................................................... 24
Propagation Delay Related Parameters................................... 24
EMI Considerations................................................................... 24
Power Consumption.................................................................. 24
Insulation Lifetime..................................................................... 24
Outline Dimensions....................................................................... 26
Ordering Guide .......................................................................... 26
Applications ...................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications .................................................................................... 3
Electrical Characteristics—5 V Primary Input Supply/5 V
Secondary Isolated Supply .......................................................... 3
Electrical Characteristics—5 V Primary Input Supply/3.3 V
Secondary Isolated Supply .......................................................... 3
Electrical Characteristics—3.3 V Primary Input Supply/3.3 V
Secondary Isolated Supply .......................................................... 4
Electrical Characteristics—5.0 V Operation Digital Isolator
Channels Only .............................................................................. 4
Electrical Characteristics—3.3 V Operation Digital Isolator
Channels Only .............................................................................. 6
Electrical Characteristics—2.5 V Operation Digital Isolator
Channels Only .............................................................................. 8
Electrical Characteristics—1.8 V Operation Digital Isolator
Channels Only .............................................................................. 9
Package Characteristics ............................................................. 11
Regulatory Approvals ................................................................ 11
REVISION HISTORY
12/2020—Rev. 0 to Rev. A
Changes to Table 11 and Table 13 ..................................................8
Changes to Table 14..........................................................................9
Changes to Table 21....................................................................... 12
Changes to Table 23....................................................................... 13
Change to Table 24 ........................................................................ 14
Change to Table 25 ........................................................................ 15
Change to Table 26 ........................................................................ 16
Changes to Table 28....................................................................... 17
Changes to Figure 6, Figure 7, and Figure 8............................... 18
Changes to PCB Layout Section, Figure 22, and Figure 23...... 23
Change to Thermal Analysis Section .......................................... 24
Changes to Ordering Guide.......................................................... 26
Changes to Table 1 ........................................................................... 1
Changes to Electrical Characteristics—5 V Primary Input
Supply/5 V Secondary Isolated Supply Section............................ 3
Moved Electrical Characteristics—5 V Primary Input
Supply/3.3 V Secondary Isolated Supply Section and Table 6;
Renumbered Sequentially ............................................................... 3
Added Electrical Characteristics—3.3 V Primary Input
Supply/3.3 V Secondary Isolated Supply Section, Table 4,
Electrical Characteristics—5.0 V Operation Digital Isolator
Channels Only Section, and Table 5.............................................. 4
Changes to Table 7 ........................................................................... 5
Removed Table 7 and Table 8......................................................... 6
Changes to Table 8 ........................................................................... 6
Removed Table 9 .............................................................................. 7
Changes to Table 10......................................................................... 7
12/2019—Revision 0: Initial Version
Rev. A | Page 2 of 26
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