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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8.14 Typical Characteristics

MODE = GND2 VDD = 3.3 V RE = GND1
TA = 25°C DE = VIO
Figure 8-3 ISOW1412 VDD Supply Current vs. Data Rate - RS485 Mode
MODE = GND2 VDD = 3.3 V RE = GND1
DE = VIO
Figure 8-5 ISOW1412 VDD Current vs. Temperature - RS485 Mode
MODE = GND2 VDD = 3.3 V LOAD = 54 Ω || 50pF
DE = VIO
Figure 8-7 ISOW1412 Driver Propagation Delay vs. Temperature - RS485 Mode
MODE = GND2 VDD = 3.3 V RE = GND1
LOAD = 54 Ω || 50pF
Figure 8-9 ISOW1412 Receiver Propagation Delay vs. Temperature - RS485 Mode
GUID-20210929-SS0I-MCTQ-7MGT-C42Q8D6BBRV3-low.gif
MODE = GND2 VDD = 3.3 V DE = VIO
LOAD = 54 Ω || 50pF TA = 25°C
Figure 8-11 ISOW1412 Driver Propagation Delay - Profibus Mode
GUID-20210929-SS0I-5WPW-P4XB-3KVQ3DPKNBRQ-low.gif

MODE = GND2 VDD = 3.3 V RE = GND1
LOAD = 54 Ω || 50pF TA = 25°C

Figure 8-13 ISOW1412 Receiver Propagation Delay - Profibus Mode
MODE = GND2 VDD = 3.3 V DE = VIO
LOAD = 54 Ω TA = 25°C
Figure 8-15 ISOW1412 Driver output voltage vs. Driver output current - RS485 Mode
RE = GND1 Load = 54 Ω TA = 25°C
Figure 8-17 ISOW1412 Receiver Buffer High Level output voltage vs. High Level output current - RS485 & Profibus Mode
RE = GND1 LOAD = 54 Ω TA = 25°C
Figure 8-19 ISOW1412 Receiver Buffer Low Level output voltage vs. Low Level output current - RS485 & Profibus Mode
For PWD ≤±5% TA = 25°C
Figure 8-21 ISOW1412 Receiver VID vs. Data Rate - RS485 & Profibus Mode
GUID-20211014-SS0I-JJTP-0S87-MNZMNKQZFGR8-low.gif
MODE = VISOOUT D = VIO DE = VIO
TA = 25°C LOAD = 54 Ω || 50pF
Figure 8-23 Glitch-free Power up/down- Profibus Mode
MODE = GND2 VDD = 3.3 V RE = GND1
TA = 25°C DE = VIO
Figure 8-4 ISOW1412 VIO Supply Current vs. Data Rate - RS485 Mode
MODE = GND2 VDD = 3.3 V RE = GND1
DE = VIO
Figure 8-6 ISOW1412 VIO Current vs. Temperature - RS485 Mode
MODE = VISOOUT VDD = 5 V LOAD = 54 Ω || 50pF
DE = VIO
Figure 8-8 ISOW1412 Driver Propagation Delay vs. Temperature - Profibus Mode
MODE = VISOOUT VDD = 5 V RE = GND1
LOAD = 54 Ω || 50pF
Figure 8-10 ISOW1412 Receiver Propagation Delay vs. Temperature - Profibus Mode
GUID-20210929-SS0I-FKFS-SKP3-73MPHMB5K46P-low.gif
MODE = VISOOUT VDD = 5 V DE = VIO
LOAD = 54 Ω || 50pF TA = 25°C
Figure 8-12 ISOW1412 Driver Propagation Delay - RS485 Mode
GUID-20210929-SS0I-CWZW-RJZZ-Z70KBNSKPQDL-low.gif
MODE = VISOOUT VDD = 5 V RE = GND1
LOAD = 54 Ω || 50pF TA = 25°C
Figure 8-14 Receiver Propagation Delay - RS485 Mode
MODE = VISOOUT VDD = 5 V DE = VIO
LOAD = 54 Ω TA = 25°C
Figure 8-16 ISOW1412 Driver output voltage vs. Driver output current - Profibus Mode
RE = GND1 LOAD = -2 mA (RS485 Mode), -4mA (Profibus Mode)
Figure 8-18 ISOW1412 Receiver Buffer High Level output voltage vs. Temperature - RS485 & Profibus Mode
RE = GND1 LOAD = 2 mA (RS485 Mode), 4mA (Profibus Mode)
Figure 8-20 ISOW1412 Receiver Buffer Low Level output voltage vs. Temperature - RS485 & Profibus Mode
GUID-20211014-SS0I-WVP7-XPKV-71TTMQBFB19L-low.gif
MODE = GND2 D = VIO DE = VIO
RE = GND1 TA = 25°C LOAD = 54 Ω || 50pF
Figure 8-22 Glitch-free Power up/down- RS485 Mode
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