ZHCSNC9C february   2021  – july 2023 TMUX7308F , TMUX7309F

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Thermal Information
    4. 7.4  Recommended Operating Conditions
    5. 7.5  Electrical Characteristics (Global)
    6. 7.6  ±15 V Dual Supply: Electrical Characteristics
    7. 7.7  ±20 V Dual Supply: Electrical Characteristics
    8. 7.8  12 V Single Supply: Electrical Characteristics
    9. 7.9  36 V Single Supply: Electrical Characteristics
    10. 7.10 Typical Characteristics
  9. 8 Parameter Measurement Information
    1. 8.1  On-Resistance
    2. 8.2  Off-Leakage Current
    3. 8.3  On-Leakage Current
    4. 8.4  Input and Output Leakage Current Under Overvoltage Fault
    5. 8.5  Break-Before-Make Delay
    6. 8.6  Enable Delay Time
    7. 8.7  Transition Time
    8. 8.8  Fault Response Time
    9. 8.9  Fault Recovery Time
    10. 8.10 Charge Injection
    11. 8.11 Off Isolation
    12. 8.12 Crosstalk
    13. 8.13 Bandwidth
    14. 8.14 THD + Noise
  10. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Flat On – Resistance
      2. 9.3.2 Protection Features
        1. 9.3.2.1 Input Voltage Tolerance
        2. 9.3.2.2 Powered-Off Protection
        3. 9.3.2.3 Fail-Safe Logic
        4. 9.3.2.4 Overvoltage Protection and Detection
        5. 9.3.2.5 Adjacent Channel Operation During Fault
        6. 9.3.2.6 ESD Protection
        7. 9.3.2.7 Latch-Up Immunity
        8. 9.3.2.8 EMC Protection
      3. 9.3.3 Bidirectional Operation
      4. 9.3.4 1.8 V Logic Compatible Inputs
      5. 9.3.5 Integrated Pull-Down Resistor on Logic Pins
    4. 9.4 Device Functional Modes
      1. 9.4.1 Normal Mode
      2. 9.4.2 Fault Mode
      3. 9.4.3 Truth Tables
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curves
    3. 10.3 Power Supply Recommendations
    4. 10.4 Layout
      1. 10.4.1 Layout Guidelines
      2. 10.4.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  13. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

9.3.2.2 Powered-Off Protection

When the supplies of TMUX7308F and TMUX7309F are removed (VDD / VSS = 0 V or floating), the source (Sx) pins of the device remain in the high impedance (Hi-Z) state, and the source (Sx) and drain (Dx) pins of the device remain within the leakage performance mentioned in the Electrical Specifications. Powered-off protection minimizes system complexity by removing the need to control power supply sequencing of the system. The feature prevents errant voltages on the input source pins from reaching the rest of the system and maintains isolation when the system is powering up. Without powered-off protection, signal on the input source pins can back-power the supply rails through internal ESD diodes and cause potential damage to the system. For more information on powered-off protection refer to Eliminate Power Sequencing With Powered-Off Protection Signal Switches.

The switch remains OFF regardless of whether the VDD and VSS supplies are 0 V or floating. A GND reference must always be present for proper operation. Source and drain voltage levels of up to ±60 V are blocked in the powered-off condition.
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