ZHCSEQ7C February   2016  – December 2021 SN65DP141

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  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
    6. 6.6 Switching Characteristics
    7. 6.7 Switching Characteristics, I2C Interface
    8. 6.8 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 DC and AC Independent Gain Control
      2. 8.3.2 Two-Wire Serial Interface and Control Logic
      3. 8.3.3 Bus Idle
      4. 8.3.4 Start Data Transfer
      5. 8.3.5 Stop Data Transfer
      6. 8.3.6 Data Transfer
      7. 8.3.7 Acknowledge
    4. 8.4 Device Functional Modes
      1. 8.4.1 TRACE and CABLE Equalization Modes
      2. 8.4.2 Control Modes
      3. 8.4.3 GPIO MODE
      4. 8.4.4 I2C Mode
    5. 8.5 Register Maps
      1. 8.5.1  Register 0x00 (General Device Settings) (offset = 00000000) [reset = 00000000]
      2. 8.5.2  Register 0x01 (Channel Enable) (offset = 00000000) [reset = 00000000]
      3. 8.5.3  Register 0x02 (Channel 0 Control Settings) (offset = 00000000) [reset = 00000000]
      4. 8.5.4  Register 0x03 (Channel 0 Enable Settings) (offset = 00000000) [reset = 00000000]
      5. 8.5.5  Register 0x05 (Channel 1 Control Settings) (offset = 00000000) [reset = 00000000]
      6. 8.5.6  Register 0x06 (Channel 1 Enable Settings) (offset = 00000000) [reset = 00000000]
      7. 8.5.7  Register 0x08 (Channel 2 Control Settings) (offset = 00000000) [reset = 00000000]
      8. 8.5.8  Register 0x09 (Channel 2 Enable Settings) (offset = 00000000) [reset = 00000000]
      9. 8.5.9  Register 0x0B (Channel 3 Control Settings) (offset = 00000000) [reset = 00000000]
      10. 8.5.10 Register 0x0C (Channel 3 Control Settings) (offset = 00000000) [reset = 00000000]
  9. 9 Application 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
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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9.2.1 Design Requirements

The SN65DP141 can be designed into many types of applications. All applications have certain requirements for the system to work properly. The voltage rails are required to support the lowest possible power consumption. Configure the device by using I2C. The GPIO configuration is provided as I2C is not available in all cases. Because sources may have different naming conventions, confirm the link between source and sink is correctly mapped through the SN65DP141.

Table 9-1 Design Parameters
PARAMETERVALUE
Operating data rateUHBR10 (10 Gbps)
Supply voltage3.3 V
Main link input voltageVID = 75 mVpp to 1.2 Vpp
Control pin Low1 KΩ pulled to GND
Control pin MidNo Connect
Control pin Low1 KΩ pulled to High
Main link AC decoupling capacitor75 to 200 nF, recommend 100 nF

First approach for GAIN configuration: It is highly recommend that DC GAIN be set to 1, this leads the output to preserve the input amplitude (GAIN = 1):

  • For GPIO implementation: Use a pull-up resistor on the GAIN terminal (pin 36), refer to the schematic in Figure 9-2.
  • For I2C implementation: write a 1 to the bit 2 of the registers 0x02, 0x05, 0x08 and 0x0B. Refer to Section 8.3.2 for a detailed description of the I2C interface
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