JAJS168H June   2005  – June 2025 ADS1232 , ADS1234

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 説明
  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 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Parameter Measurement Information
    1. 6.1 Noise Performance
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Analog Inputs (AINPX, AINNX)
      2. 7.3.2  Temperature Sensor (ADS1232 Only)
      3. 7.3.3  Low-Noise PGA
        1. 7.3.3.1 PGA Bypass Capacitor
      4. 7.3.4  Voltage Reference Inputs (REFP, REFN)
      5. 7.3.5  Clock Sources
      6. 7.3.6  Digital Filter Frequency Response
      7. 7.3.7  Settling Time
      8. 7.3.8  Data Rate
      9. 7.3.9  Data Format
      10. 7.3.10 Data Ready and Data Output (DRDY/DOUT)
      11. 7.3.11 Serial Clock Input (SCLK)
      12. 7.3.12 Data Retrieval
    4. 7.4 Device Functional Modes
      1. 7.4.1 Offset Calibration Mode
      2. 7.4.2 Standby Mode
      3. 7.4.3 Standby Mode With Offset-Calibration
      4. 7.4.4 Power-Down Mode
      5. 7.4.5 Power-Up Sequence
      6. 7.4.6 Summary of Serial Interface Waveforms
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power-Supply Decoupling
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 ドキュメントの更新通知を受け取る方法
    2. 9.2 サポート・リソース
    3. 9.3 Trademarks
    4. 9.4 静電気放電に関する注意事項
    5. 9.5 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

10 Revision History

Changes from Revision G (January 2021) to Revision H (June 2025)

  • Changed ESD (HBM) rating from ±1000V to ±750V Go
  • Changed AINN3 to AINN4 in ADS1234 Input Channel Selection With A0 and A1 tableGo

Changes from Revision F (February 2008) to Revision G (January 2021)

  • ドキュメント全体にわたって表、図、相互参照の採番方法を更新 Go
  • 「製品情報」および「ESD 定格」表、「推奨動作条件」および「熱に関する情報」表、「詳細説明」セクション、「アプリケーションと実装」セクション、「電源に関する推奨事項」セクション、「レイアウト」セクション、「デバイスおよびドキュメントのサポート」セクション、「メカニカル、パッケージ、および注文情報」セクションを追加Go
  • Deleted Ordering Information section; all ordering information available in package option addendum located at end of data sheetGo
  • Added analog input voltage specification to Absolute Maximum Ratings Go
  • Added digital input voltage specification to Absolute Maximum Ratings Go
  • Deleted momentary input current specification from Absolute Maximum Ratings Go
  • Added input current note to Absolute Maximum Ratings Go
  • Added common-mode voltage condition to Common-Mode Rejection specification in Electrical Characteristics tableGo
  • Deleted power-supply rejection (gain = 1) MIN specification from Electrical Characteristics table Go
  • Changed power-supply rejection (gain = 1) TYP specification in Electrical Characteristics table Go
  • Changed text in Analog Inputs (AINPX, AINNX) sectionGo
  • Added ADS1232 Input Channel Selection With A0 and TEMP tableGo
  • Deleted link to Using the MSC121x as a High-Precision Intelligent Temperature Sensor Go
  • Changed 10 SPS –3-dB frequency from 3.32 Hz to 2.4 Hz, and 80 SPS –3-dB frequency from 11.64 Hz to 19 Hz.Go
  • Changed Power-Up Sequence sectionGo
  • Deleted Thermocouple application from Application Information Go
  • Deleted RTDs and Thermistor application from Application Information Go
  • Added weigh scale application to Application Information Go