ZHCSFV2D December   2016  – December 2018 OPA187 , OPA2187 , OPA4187

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      OPAx187 具有高精度低侧电流测量功能
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions: OPA187
    2.     Pin Functions: OPA2187
    3.     Pin Functions: OPA4187
  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: OPA187
    5. 6.5 Thermal Information: OPA2187
    6. 6.6 Thermal Information: OPA4187
    7. 6.7 Electrical Characteristics: High-Voltage Operation
    8. 6.8 Electrical Characteristics: Low-Voltage Operation
    9. 6.9 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 Operating Characteristics
      2. 7.3.2 Phase-Reversal Protection
      3. 7.3.3 Input Bias Current Clock Feedthrough
      4. 7.3.4 Internal Offset Correction
      5. 7.3.5 EMI Rejection
      6. 7.3.6 Capacitive Load and Stability
      7. 7.3.7 Electrical Overstress
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 High-Side Voltage-to-Current (V-I) Converter
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Discrete INA + Attenuation for ADC With 3.3-V Supply
      3. 8.2.3 Bridge Amplifier
      4. 8.2.4 Low-Side Current Monitor
      5. 8.2.5 Programmable Power Supply
      6. 8.2.6 RTD Amplifier With Linearization
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
        1. 11.1.1.1 TINA-TI™（免费软件下载）
        2. 11.1.1.2 TI 高精度设计
        3. 11.1.1.3 WEBENCH® Filter Designer
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 相关链接
    4. 11.4 接收文档更新通知
    5. 11.5 社区资源
    6. 11.6 商标
    7. 11.7 静电放电警告
    8. 11.8 术语表
  12. 12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

4 修订历史记录

Changes from C Revision (December 2018) to D Revision

  • Changed 将 OPA4187 SOIC 和 TSSOP 封装从米6体育平台手机版_好二三四预览改为了生产数据Go
  • Changed offset drift (high and low supply) max to ±15nV/°CGo

Changes from B Revision (October 2018) to C Revision

  • 首次将 OPA187 SOIC 器件作为生产用途发布Go

Changes from A Revision (July 2017) to B Revision

  • Changed 将 OPA187 SOIC 的状态改为了预览Go
  • Changed 将 OPA4187 SOIC、TSSOP 和 WQFN 状态改为了预览Go
  • Changed offset drift (high supply) typical from ±5 nV/℃ to ±1 nV/℃ and max from ±50 nV/℃ to ±20 nV/℃ Go
  • Changed input bias current max (high supply) from ±5 nA to ±7.5 nAGo
  • Changed input offset current max (high supply) from ±5 nA to ±14.5 nAGo
  • Changed offset drift (low supply) typical from ±5 nV/℃ to ±1 nV/℃ and max from ±50 nV/℃ to ±20 nV/℃Go
  • Changed Offset Voltage Production Distribution figureGo

Changes from * Revision (December 2016) to A Revision

  • Deleted 删除了说明部分的 VSON 封装选项Go
  • Deleted 删除了器件信息 表Go
  • Added 将 WQFN 封装选项添加到了器件信息 表Go
  • Deleted OPA187 DRG package option from Pin Configuration and FunctionsGo
  • Added WQFN package to Pin Configuration and FunctionsGo
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