ZHCSQ83A March   2022  – October 2022 INA851

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Related Products
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Adjustable Gain Setting
        1. 8.3.1.1 Gain Drift
      2. 8.3.2 Offset Voltage
      3. 8.3.3 Input Common-Mode Range
      4. 8.3.4 Input Protection
      5. 8.3.5 Output Clamping
      6. 8.3.6 Low Noise
    4. 8.4 Device Functional Modes
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Output Common-Mode Pin
      2. 9.1.2 Output-Stage Gain Selection and Noise-Gain Shaping
      3. 9.1.3 Input Bias Current Return Path
      4. 9.1.4 Thermal Effects due to Power Dissipation
    2. 9.2 Typical Applications
      1. 9.2.1 Three-Pin Programmable Logic Controller (PLC)
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 应用曲线
      2. 9.2.2 20-Bit, 1-MSPS ADS8900B Driver Circuit With FDA Noise Filter
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Application Curves
      3. 9.2.3 24-Bit, 200 kSPS, Delta-Sigma ADS127L11 ADC Driver Circuit With FDA Noise Filter
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
        1. 10.1.1.1 PSpice® for TI
        2. 10.1.1.2 TINA-TI™ Simulation Software (Free Download)
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 接收文档更新通知
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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

说明

INA851 是业内首款具有全差分输出的高精度仪表放大器。该器件经过优化,可驱动具有全差分输入的现代高性能模数转换器 (ADC) 的输入。INA851 可在非常宽的单电源或双电源电压范围内运行。可通过短接或悬空两个引脚,将输出级增益设置为 0.2 或 1。可通过单个外部电阻器在 1 到 10,000 范围内设置任意输入级增益。

INA851 采用了超级 ß 输入晶体管,因此与同一级别的其他放大器相比,可提供极低的输入偏置电流和低输入参考电流噪声。先进的制造工艺实现了极低的电压噪声、输入失调电压和失调电压漂移。附加电路可保护器件输入免受超过电源电压多达 ±40V 的过压影响。器件输出具有内置钳位电路,可保护 ADC 或下游器件免受过驱损坏。

该器件可在单电源(最小 8V,最大 36V)或双电源(最小 ±4V,最大 ±18V)供电的情况下运行。

封装信息
器件型号 封装(1) 封装尺寸(标称值)
INA851 RGT(VQFN,16) 3.00mm × 3.00mm
如需了解所有可用封装,请参阅数据表末尾的封装选项附录。
INA851 ADC 驱动器应用