ZHCSNF0B May   2018  – October 2021 ISOW1412 , ISOW1432

PRODMIX  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  Recommended Operating Conditions
    3. 8.3  Thermal Information
    4. 8.4  Power Ratings
    5. 8.5  Insulation Specifications
    6. 8.6  Safety-Related Certifications
    7. 8.7  Safety Limiting Values
    8. 8.8  Electrical Characteristics
    9. 8.9  Supply Current Characteristics at VISOOUT = 3.3 V
    10. 8.10 Supply Current Characteristics at  VISOOUT = 5 V
    11. 8.11 Switching Characteristics at VISOOUT = 3.3 V
    12. 8.12 Switching Characteristics at VISOOUT = 5 V
    13. 8.13 Insulation Characteristics Curves
    14. 8.14 Typical Characteristics
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Power Isolation
    3. 10.3 Signal Isolation
    4. 10.4 RS-485
    5. 10.5 Functional Block Diagram
    6. 10.6 Feature Description
      1. 10.6.1 Power-Up and Power-Down Behavior
      2. 10.6.2 Protection Features
      3. 10.6.3 Failsafe Receiver
      4. 10.6.4 Glitch-Free Power Up and Power Down
    7. 10.7 Device Functional Modes
    8. 10.8 Device I/O Schematics
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1 Data Rate, Bus Length and Bus Loading
        2. 11.2.2.2 Stub Length
        3. 11.2.2.3 Insulation Lifetime
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Documentation Support
      1. 14.1.1 Related Documentation
    2. 14.2 Receiving Notification of Documentation Updates
    3. 14.3 支持资源
    4. 14.4 Trademarks
    5. 14.5 Electrostatic Discharge Caution
    6. 14.6 术语表
  15. 15Mechanical, Packaging, and Orderable Information

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8.10 Supply Current Characteristics at  VISOOUT = 5 V

over recommended operating conditions, VDD = VIO = 4.5 V to 5.5 V, MODE=VISOOUT , GND1 = GNDIO, GND2 = GISOIN (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Power converter disabled
IDD Power converter supply current EN=GND1, D, DE, RE  floating 0.23 0.45 mA
IIO Logic supply current EN=GND1, D, DE, RE  floating 0.24 0.55 mA
Power converter supply current: Driver enabled, receiver disabled
IDD Power converter supply current VDE = VIO, VRE = VIO, bus load = 120 Ω, VD= VIO, VDD = 5 V ± 10%, A and B floating 97 160 mA
IDD Power converter supply current, ISOW1412 VDE = VIO, VRE = VIO, bus load = 120 Ω || 50 pF, D = 500-kbps square wave 50% duty, VDD = 5 V ± 10% 123 205 mA
VDE = VIO, VRE = VIO, bus load = 54 Ω || 50 pF, D = 500-kbps square wave 50% duty, VDD = 5 V ± 10% 175 292 mA
IDD Power converter supply current, ISOW1432 VDE = VIO, VRE = VIO, bus load = 120 Ω || 50 pF, D = 12-Mbps square wave 50% duty, VDD = 5 V ± 10% 77 108 mA
VDE = VIO, VRE = VIO, bus load = 54 Ω || 50 pF, D = 12-Mbps square wave 50% duty, VDD = 5 V ± 10% 164 214 mA
Power converter supply current: Driver disabled, receiver enabled
IDD Power converter supply current VDE= VGND1, VRE= VGND1, Y and Z bus loaded and unloaded, A-B = square wave 500-kbps 50% duty VD= VIO, VDD= 5 V ± 10%, CL on R = 15 pF 17 31 mA
IDD Power converter supply current VDE= VGND1, VRE= VGND1, Y and Z bus loaded and unloaded, A-B = square wave 12-Mbps 50% duty (ISOW1432) VD= VIO, VDD= 5 V ± 10%, CL on R = 15 pF 19 26 mA
Power converter supply current: Driver enabled, receiver enabled
IDD Power converter supply current, ISOW1412 VDE = VIO, VRE= VGND1, Y and Z bus load = 120 Ω || 50 pF, loopback(1), D = 500-kbps 50% duty, VDD = 5 V ± 10%, CL on R = 15 pF 123 207 mA
IDD Power converter supply current, ISOW1432 VDE = VIO, VRE= VGND1, Y and Z bus load = 120 Ω || 50 pF, loopback(1), D = 12-Mbps 50% duty, VDD = 5 V ± 10%, CL on R = 15 pF 112 135 mA
(1) The output of the driver is connected to the input of a receiverin a loopback mode.
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