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

6.3 Recommended Operating Conditions

MIN NOM MAX UNIT
VCC1(UVLO+) UVLO threshold when supply voltage is rising on Side 1 2.7 2.9 V
VCC1(UVLO-) UVLO threshold when supply voltage is falling on Side 1 2.3 2.6 V
VCC2(UVLO+) UVLO threshold when supply voltage is rising on Side 2 2 2.25 V
VCC2(UVLO-) UVLO threshold when supply voltage is falling on Side 2 1.7 1.8 V
VHYS1(UVLO)
Supply voltage UVLO hysteresis, Side 1
 		 100 150 mV
VHYS2(UVLO)
Supply voltage UVLO hysteresis, Side 2
 		 100 150 mV
VCC1 Supply voltage, Side 1 3.0 5.5 V
VCC2 Supply voltage, Side 2 2.25 5.5 V
VSDA1,
VSCL1 		I2C Input and output signal voltages, Side 1 0 VCC1 V
VSDA2,
VSCL2 		I2C Input and output signal voltages, Side 2 0 VCC2 V
VIL1 I2C Low-level input voltage, Side 1  0 480 mV
VIH1 I2C High-level input voltage, Side 1 0.7 × VCC1 VCC1 V
VIL2 I2C Low-level input voltage, Side 2 0 0.3 × VCC2 V
VIH2 I2C High-level input voltage, Side 2 0.5 × VCC2 VCC2 V
IOL1 I2C Output current, Side 1 0.5 3.5 mA
IOL2 I2C Output current, Side 2 0.5 50 mA
C1 Capacitive load, Side 1 80 pF
C2 Capacitive load, Side 2 400 pF
fMAX I2C Operating frequency(1) 1.7 MHz
VILIO Low-level input voltage, GPIO pins (ISO1642/3/4 only) 0 0.3 × VCC2 V
VIHIO High-level input voltage, GPIO pins (ISO1642/3/4 only) 0.7 × VCC1 VCC1 V
IOHIO GPIO High-level output current, VCCO = 5 V (ISO1642/3/4 only) -4 mA
GPIO High-level output current, VCCO = 3.3 V (ISO1642/3/4 only) -2 mA
GPIO High-level output current, VCCO = 2.5 V (ISO1642/3/4 only) -1 mA
IOLIO GPIO Low-level output current, VCCO = 5 V (ISO1642/3/4 only) 4 mA
GPIO Low-level output current, VCCO = 3.3 V (ISO1642/3/4 only) 2 mA
GPIO Low-level output current, VCCO = 2.5 V (ISO1642/3/4 only) 1 mA
fDR GPIO maximum data rate frequency (ISO1642/3/4 only) 50 Mbps
TA Ambient temperature –40 25 125 °C
(1) Maximum frequency is a function of the RC time constant on the bus. If the system has less bus capacitance, then higher frequencies can be achieved.