SLLSFC2D December   2020  – September 2021 ISO1642 , ISO1643 , ISO1644

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics
    10. 6.10 Supply Current Characteristics
    11. 6.11 Timing Requirements
    12. 6.12 I2C Switching Characteristics
    13. 6.13 GPIO Switching Characteristics
    14. 6.14 Insulation Characteristics Curves
    15. 6.15 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Isolation Technology Overview
    4. 8.4 Feature Description
      1. 8.4.1 Hot Swap
      2. 8.4.2 Protection Features
      3. 8.4.3 GPIO Channels
    5. 8.5 Isolator Functional Principle
      1. 8.5.1 Receive Direction (Left Diagram of Figure 1-1 )
      2. 8.5.2 Transmit Direction (Right Diagram of Figure 1-1 )
    6. 8.6 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 I2C Bus Overview
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Insulation Lifetime
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 PCB Material
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

5 Pin Configuration and Functions

GUID-FEF59683-168A-4882-A3B8-F310B3B4ED44-low.gifFigure 5-1 ISO1640B Package8-Pin SOICTop View
GUID-1BC6F527-9AFA-414F-8D9E-105F9CDA2D60-low.gif Figure 5-2 ISO1641B Package8-Pin SOICTop View
GUID-20210112-CA0I-JPRH-GMB9-KC2RCV11NTWH-low.gif Figure 5-3 ISO1640 Package16-Pin SOICTop View
Figure 5-4 ISO1641 Package16-Pin SOICTop View
GUID-20210809-SS0I-T4GZ-ZKMQ-7RFJ8JTGM91J-low.gif Figure 5-5 ISO1642 Package16-Pin SOICTop View
GUID-20210809-SS0I-PNHH-3SC2-VH71MKN62P19-low.gif Figure 5-6 ISO1643 Package16-Pin SOICTop View
Figure 5-7 ISO1644 Package16-Pin SOICTop View
Table 5-1 Pin Functions — ISO1640 and ISO1641
PIN I/O DESCRIPTION
8-D 16-DW
NAME NO. NO.
GND1 4 1, 7 — Ground, side 1
GND2 5 9, 16 — Ground, side 2
NC — 2, 4, 8, 10, 13, 15 — No Connection
SCL1 3 6 I/O Serial clock input / output, side 1 (ISO1640 only)

Serial clock input, side 1 (ISO1641 only)
SCL2 6 11 I/O Serial clock input / output, side 2 (ISO1640 only)

Serial clock output, side 2 (ISO1641 only)
SDA1 2 5 I/O Serial data input / output, side 1
SDA2 7 12 I/O Serial data input / output, side 2
VCC1 1 3 — Supply voltage, side 1
VCC2 8 14 — Supply voltage, side 2
Table 5-2 Pin Functions — ISO1642 and ISO1643
PIN I/O DESCRIPTION
16-DW
NAME NO.
GND1 8 — Ground, side 1
GND2 9 — Ground, side 2
INA 4 I Input, channel A
INB/OUTB 12 — Input, channel B (ISO1642)

Output, channel B (ISO1643)
NC 2, 7, 10, 15 — No Connect
OUTA 13 O Output, channel A
OUTB/INB 5 — Output, channel B (ISO1642)

Input, channel B (ISO1643)
SCL1 6 I/O Serial clock input / output, side 1
SCL2 11 I/O Serial clock input / output, side 2
SDA1 3 I/O Serial data input / output, side 1
SDA2 14 I/O Serial data input / output, side 2
VCC1 1 — Supply voltage, side 1
VCC2 16 — Supply voltage, side 2
Table 5-3 Pin Functions — ISO1644
PINI/ODESCRIPTION
16-DW
NAMENO.
GND12, 8—Ground, side 1
GND29, 15—Ground, side 2
INA4IInput, channel A
INB5IInput, channel B
INC

10

IInput, channel C
OUTA13OOutput, channel A
OUTB12OOutput, channel B
OUTC

7

OOutput, channel C
SCL16I/OSerial clock input / output, side 1
SCL211I/OSerial clock input / output, side 2
SDA13I/OSerial data input / output, side 1
SDA214I/OSerial data input / output, side 2
VCC11—Supply voltage, side 1
VCC216—Supply voltage, side 2