ZHCSN45B December   2021  – December 2023 SN75LVPE5412

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 DC Electrical Characteristics
    6. 5.6 High Speed Electrical Characteristics
    7. 5.7 SMBUS/I2C Timing Characteristics
    8. 5.8 Typical Characteristics
    9. 5.9 Typical Jitter Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Five-Level Control Inputs
      2. 6.3.2 Linear Equalization
      3. 6.3.3 Flat Gain
      4. 6.3.4 Receiver Detect State Machine
    4. 6.4 Device Functional Modes
      1. 6.4.1 Active PCIe Mode
      2. 6.4.2 Active Buffer Mode
      3. 6.4.3 Standby Mode
    5. 6.5 Programming
      1. 6.5.1 Pin Mode
      2. 6.5.2 SMBUS/I2C Register Control Interface
        1. 6.5.2.1 Shared Registers
        2. 6.5.2.2 Channel Registers
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 PCIe x8 Lane Switching
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
      2. 7.2.2 Protocol Agnostic Linear Redriver for High Speed Interfaces
    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 接收文档更新通知
    2. 8.2 支持资源
    3. 8.3 Trademarks
    4. 8.4 静电放电警告
    5. 8.5 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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)
  • RUA|42
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.3.3 Flat Gain

The GAIN pin can be used to set the overall datapath flat gain (broadband gain including high frequency) of the SN75LVPE5412 when the device is in Pin Mode. The pin GAIN sets the Flat-Gain for all channels. In I2C Mode each channel can be independently set. Table 6-3 shows flat gain control configuration settings. The default recommendation for most systems will be GAIN = L4 (float) that provides flat gain of 0dB.

The flat gain and equalization of the SN75LVPE5412 must be set such that the output signal swing at DC and high frequency does not exceed the DC and AC linearity ranges of the devices, respectively.

Table 6-3 Flat Gain Configuration Settings
Pin ModeGAIN I2C Modeflat_gain_2:0 Flat Gain
L0 0 −5.6dB
L1 1 −3.8dB
L2 3 −1.2dB
L3 7 +2.6dB
L4 (float) 5 +0.6dB (default recommendation)
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