ZHCS455F December   2010  – July 2015 ISO7420E , ISO7420FE , ISO7421E , ISO7421FE

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  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  Electrical Characteristics: VCC1 and VCC2 = 5 V ± 10%
    6. 6.6  Electrical Characteristics: VCC1 = 5 V ± 10%, VCC2 = 3.3 V ± 10%
    7. 6.7  Electrical Characteristics: VCC1 = 3.3 V ± 10%, VCC2 = 5 V ± 10%
    8. 6.8  Electrical Characteristics: VCC1 and VCC2 = 3.3 V ± 10%
    9. 6.9  Power Dissipation Characteristics
    10. 6.10 Switching Characteristics: VCC1 and VCC2 = 5 V ± 10%
    11. 6.11 Switching Characteristics: VCC1 = 5 V ± 10%, VCC2 = 3.3 V ± 10%
    12. 6.12 Switching Characteristics: VCC1 = 3.3 V ± 10%, VCC2 = 5 V ± 10%
    13. 6.13 Switching Characteristics: VCC1 and VCC2 = 3.3 V ± 10%
    14. 6.14 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Insulation and Safety-Related Specifications for D-8 Package
      2. 8.3.2 Insulation Characteristics
      3. 8.3.3 Regulatory Information
      4. 8.3.4 Life Expectancy vs Working Voltage
      5. 8.3.5 Safety Limiting Values
    4. 8.4 Device Functional Modes
      1. 8.4.1 Device I/O Schematic
  9. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Maximum Supply Current Equations
          1. 9.2.2.1.1 ISO7420
          2. 9.2.2.1.2 ISO7421
        2. 9.2.2.2 Typical Supply Current Equations:
          1. 9.2.2.2.1 ISO7420
          2. 9.2.2.2.2 ISO7421
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 PCB Material
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档　
    2. 12.2 相关链接
    3. 12.3 社区资源
    4. 12.4 商标
    5. 12.5 静电放电警告
    6. 12.6 Glossary
  13. 13机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • D|8
散热焊盘机械数据 (封装 | 引脚)
订购信息

7 Parameter Measurement Information

ISO7420E ISO7420FE ISO7421E ISO7421FE switch_test_circuit_sllse45.gif
1. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50 Ω. At the input, a 50-Ω resistor is required to terminate the Input Generator signal. It is not needed in an actual application.
2. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 16. Switching Characteristic Test Circuit and Voltage Waveforms
ISO7420E ISO7420FE ISO7421E ISO7421FE failsafe_LLSE45.gif
1. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 17. Fail-Safe Output Delay-Time Test Circuit and Voltage Waveforms
ISO7420E ISO7420FE ISO7421E ISO7421FE com_tran_imm_test_circ_sllse45.gif
1. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 18. Common-Mode Transient Immunity Test Circuit