ZHCSMM2C March   2022  – October 2023 LMH34400

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Electrical Characteristics: Logic Threshold and Switching Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Clamping and Input Protection
      2. 6.3.2 ESD Protection
      3. 6.3.3 Single-Ended Output Stage
    4. 6.4 Device Functional Modes
      1. 6.4.1 Ambient Light Cancellation Mode
      2. 6.4.2 Power-Down Mode (Multiplexer Mode)
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 LMH34400 Test Circuit
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curves
      2. 7.2.2 LMH34400 Signal Chain With Comparator
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
        3. 7.2.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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7.2.2.3 Application Curves

Figure 7-7 through Figure 7-9 show the control signal input, LMH34400 output, and TLV3601 output, respectively, with a 10‑ns wide, 1‑ns edge rate input current pulse. The figures show the ability of the LMH34400 to convert a small 25‑µA input signal to a 1‑V output, and then use the TLV3601 to increase the edge rate and amplitude of the received pulse. Also, the shape of this output pulse stays approximately constant over a large range of optical input power levels. In this specific case, be aware that the output swing of the TLV3601 is limited because the TLV3601 is driving a matched 100‑Ω load to interface with the test equipment.

GUID-20230208-SS0I-RQTH-MFTJ-PZZBZSVMLWV0-low.svgFigure 7-7 Equivalent Input Current Signal to LMH34400
GUID-20230208-SS0I-PWX1-DNGB-VJHLM0XQBBB9-low.svgFigure 7-9 TLV3601 Output Voltage Driving 100‑Ω Load
GUID-20230907-SS0I-3Z1B-14BT-9PMJPD63NN16-low.svgFigure 7-8 LMH34400 Output Voltage