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

8.2 Recommended Operating Conditions

MIN NOM MAX UNIT
VIO Logic supply voltage 1.8-V operation 1.71 1.89 V
2.5-V, 3.3-V, and 5-V operation 2.25 5.5
VDD Power converter supply voltage 3 5.5 V
VDD(UVLO+) Positive threshold when power converter supply is rising 2.8 2.93 V
VDD(UVLO-) Positive threshold when power converter supply is falling 2.40 2.55 V
VHYS1(UVLO) Power converter supply voltage hysteresis 0.15 0.25 V
VIO(UVLO+) Rising threshold of logic supply voltage 1.7 V
VIO(UVLO-) Falling threshold of logic supply voltage 1 V
VHYS2(UVLO) Logic supply voltage hysteresis 75 125 mV
VBUS Input voltage at any bus terminal (seperately w.r.t GND2 or common mode) –7 12 V
VIH High-level input voltage (D, DE, EN, and RE inputs) 0.7 × VIO VIO V
High- level input voltage (IN input) 0.7 × VISOIN VISOIN V
VIL Low-level input voltage (D, DE, EN, and RE inputs) 0 0.3 × VIO V
Low- level input voltage (IN input) 0 0.3 × VISOIN V
VID Differential input voltage (receiver terminals A w.r.t B) –12 12 V
IO(DRV) Output current, driver (Y, Z)  –60 60 mA
IO Output current, R and OUT pins VIO = 4.5 to 5.5 V –4 4 mA
VIO = 3 to 3.6 V -2 2 mA
VIO = 2.25 to 2.75 V, 1.71 to 1.89 V -1 1 mA
RL Differential load resistance on bus 54 Ω
1/tUI Signaling rate ISOW1412 500 kbps
1/tUI Signaling rate ISOW1432 12 Mbps
DR Data rate for GPIO channel 2 Mbps
tpwrup Power up time after applying input supply(Isolated output supply reaches 90% of setpoint and data transmission can start after this) 5 ms
TA Ambient operating temperature (MODE= GND2), no extra current availalbe on VISOUT (1)  –40 125 °C
Ambient operating temperature (MODE= GND2), 20 mA extra current available on VISOUT(1) –40 105 °C
Ambient operating temperature (MODE= VISOOUT), 50% duty cycle on DE, no extra current available on VISOUT(1) –40 125 °C
Ambient operating temperature (MODE= VISOOUT), no extra current available on VISOUT(1) –40 105 °C
Ambient operating temperature (MODE= VISOOUT), 20 mA extra current available on VISOUT(1) –40 85 °C
(1) Extra current is only available at VDD=5 V ± 10% mode
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