JAJS454C January   2010  – September 2017 ADS7924

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 改訂履歴
  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 I2C Timing Requirements
    7. 6.7 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 Multiplexer
      2. 7.3.2 ADC Input
      3. 7.3.3 Reference
      4. 7.3.4 Clock
      5. 7.3.5 Data Format
      6. 7.3.6 ADC Conversion Timing
        1. 7.3.6.1 Power-Up Time
        2. 7.3.6.2 Acquisition Time
        3. 7.3.6.3 Conversion Time
        4. 7.3.6.4 Sleep Time
      7. 7.3.7 Interrupt Output (INT)
      8. 7.3.8 PWRCON
      9. 7.3.9 Alarm
    4. 7.4 Device Functional Modes
      1. 7.4.1 ADC Operating Modes
        1. 7.4.1.1 Idle Mode
        2. 7.4.1.2 Awake Mode
        3. 7.4.1.3 Manual-Single Mode
        4. 7.4.1.4 Manual-Scan Mode
        5. 7.4.1.5 Auto-Single Mode
        6. 7.4.1.6 Auto-Scan Mode
        7. 7.4.1.7 Auto-Single With Sleep Mode
        8. 7.4.1.8 Auto-Scan With Sleep Mode
        9. 7.4.1.9 Auto-Burst Scan With Sleep Mode
    5. 7.5 Programming
      1. 7.5.1 I2C Interface
      2. 7.5.2 I2C Address Selection
      3. 7.5.3 I2C Speed Modes
      4. 7.5.4 Slave Mode Operations
        1. 7.5.4.1 Receive Mode
        2. 7.5.4.2 Transmit Mode:
      5. 7.5.5 Writing the Registers
      6. 7.5.6 Reading the Registers
    6. 7.6 Register Map
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Using an Operational Amplifier Between Multiplexer Output and ADC Input
      2. 8.1.2 Using an Operational Amplifier and RC Filter Between Multiplexer Output and ADC Input
      3. 8.1.3 Using an RC Filter Between Multiplexer Output and ADC Input
      4. 8.1.4 Operational Amplifier With Filter and Gain Option Between Multiplexer Output and ADC Input
      5. 8.1.5 Driving an RC Filter With an Operational Amplifier Between Multiplexer Output and ADC Input
      6. 8.1.6 Average Power Consumption
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Setting the Throughput
        2. 8.2.2.2 Selecting the Operational Amplifier
        3. 8.2.2.3 Selecting the RC Filter
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11デバイスおよびドキュメントのサポート
    1. 11.1 ドキュメントの更新通知を受け取る方法
    2. 11.2 コミュニティ・リソース
    3. 11.3 商標
    4. 11.4 静電気放電に関する注意事項
    5. 11.5 Glossary
  12. 12メカニカル、パッケージ、および注文情報

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

9 Power Supply Recommendations

The device has two separate power supplies: AVDD and DVDD. The device operates on AVDD; DVDD is used for the interface circuits. DVDD supply voltage cannot exceed the AVDD supply voltage. The Power supply pins of the device must be decoupled with 1-μF ceramic bypass capacitors. The AVDD supply also defines the full-scale input range of the device. Always set the AVDD supply to be greater than or equal to the maximum input signal to avoid saturation of codes.