ZHCSL30B June   2009  – March 2020 PGA280

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Electrical Characteristics
    3. 6.3 Timing Requirements: Serial Interface
    4. 6.4 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Functional Blocks
        1. 7.3.1.1 Input Switch Network
        2. 7.3.1.2 Input Amplifier, Gain Network, and Buffer
        3. 7.3.1.3 Current Buffer
        4. 7.3.1.4 Input Protection
        5. 7.3.1.5 EMI Susceptibility
        6. 7.3.1.6 Output Stage
        7. 7.3.1.7 Output Filter
        8. 7.3.1.8 Single-Ended Output
        9. 7.3.1.9 Error Detection
      2. 7.3.2 Error Indicators
        1. 7.3.2.1 Input Clamp Conduction (ICAerr)
        2. 7.3.2.2 Input Overvoltage (IOVerr)
        3. 7.3.2.3 Gain Network Overload (GAINerr)
        4. 7.3.2.4 Output Amplifier (OUTerr)
        5. 7.3.2.5 CheckSum Error (CRCerr)
    4. 7.4 Device Functional Modes
      1. 7.4.1 GPIO Operation Mode
        1. 7.4.1.1 CS Mode
    5. 7.5 Programming
      1. 7.5.1 SPI and Register Description
      2. 7.5.2 Command Structure and Register Overview
        1. 7.5.2.1 Command Byte
        2. 7.5.2.2 Extended CS
          1. 7.5.2.2.1 SPI Timing Diagrams (Read and Write)
          2. 7.5.2.2.2 GPIO Pin Reference
          3. 7.5.2.2.3 Checksum
      3. 7.5.3 GPIO Configuration
      4. 7.5.4 Buffer Timing
    6. 7.6 Register Map
      1. 7.6.1  Register 0: Gain and External MUX Address (address = 00h) [reset = 0000 0000b]
      2. 7.6.2  Register 1: Software Reset Register (address = 01h) [reset = 0000 0000b]
      3. 7.6.3  Register 2: SPI: MODE Selection to GPIO-Pin (address = 02h) [reset = 0000 0000b]
      4. 7.6.4  Register 3: BUF Timeout Register (address = 03h) [reset = 0001 1001b]
      5. 7.6.5  Register 4: Error Register (address = 04h) [reset = 0000 0000b]
      6. 7.6.6  Register 5: GPIO Register (address = 05h) [reset = 0000 0000b]
      7. 7.6.7  Register 6: Input Switch Control Register 1 (address = 06h) [reset = 0110 0000b]
      8. 7.6.8  Register 7: Input Switch Control Register 2 (address =07h ) [reset = 0000 0000b]
      9. 7.6.9  Register 8: GPIO Configuration Register (address = 08h) [reset = 0000 0000b]
      10. 7.6.10 Register 9: CS Configuration Mode Register (address = 09h) [reset = 0000 0000b]
      11. 7.6.11 Register 10: Configuration Register 1 (address = 0Ah) [reset = 0000 0000b]
      12. 7.6.12 Register 11: Configuration Register 2 (address = 0Bh) [reset = 0001 0000b]
      13. 7.6.13 Register 12: Special Functions Register (address = 0Ch) [reset = 0000 0000b]
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 External Clock Synchronization
      2. 8.1.2 Quiescent Current
      3. 8.1.3 Settling Time
      4. 8.1.4 Overload Recovery
  9. 9 Power Supply Recommendations
  10. 10器件和文档支持
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 商标
    4. 10.4 静电放电警告
    5. 10.5 Glossary
  11. 11机械、封装和可订购信息

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

7.3.1.5 EMI Susceptibility

Amplifiers vary in susceptibility to electromagnetic interference (EMI), but good layout practices play a critical role. EMI can generally be identified as a variation in offset voltage shifts. The PGA280 has been specifically designed to minimize susceptibility to EMI by incorporating an internal low-pass filter. Additional EMI filters may be required next to the signal inputs of the system, as well as known good practices such as using short traces, low-pass filters, and damping resistors combined with parallel and shielded signal routing, depending on the end system requirements.
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