JAJSFR6A July   2018  – November 2018 ADS1219

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      電圧、電流、および温度監視アプリケーション
  4. 4 改訂履歴
  5. 5 概要（続き）
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 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 I2C Timing Requirements
    7. 7.7 I2C Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Noise Performance
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Multiplexer
      2. 9.3.2 Rail-to-Rail Input Buffers and Programmable Gain Stage
      3. 9.3.3 Voltage Reference
      4. 9.3.4 Modulator and Internal Oscillator
      5. 9.3.5 Digital Filter
      6. 9.3.6 Conversion Times
      7. 9.3.7 Offset Calibration
    4. 9.4 Device Functional Modes
      1. 9.4.1 Power-Up and Reset
        1. 9.4.1.1 Power-On Reset
        2. 9.4.1.2 RESET Pin
        3. 9.4.1.3 Reset by Command
      2. 9.4.2 Conversion Modes
        1. 9.4.2.1 Single-Shot Conversion Mode
        2. 9.4.2.2 Continuous Conversion Mode
      3. 9.4.3 Power-Down Mode
    5. 9.5 Programming
      1. 9.5.1 I2C Interface
        1. 9.5.1.1 I2C Address
        2. 9.5.1.2 Serial Clock (SCL) and Serial Data (SDA)
        3. 9.5.1.3 Data Ready (DRDY)
        4. 9.5.1.4 Interface Speed
        5. 9.5.1.5 Data Transfer Protocol
        6. 9.5.1.6 I2C General Call (Software Reset)
        7. 9.5.1.7 Timeout
      2. 9.5.2 Data Format
      3. 9.5.3 Commands
        1. 9.5.3.1 Command Latching
        2. 9.5.3.2 RESET (0000 011x)
        3. 9.5.3.3 START/SYNC (0000 100x)
        4. 9.5.3.4 POWERDOWN (0000 001x)
        5. 9.5.3.5 RDATA (0001 xxxx)
        6. 9.5.3.6 RREG (0010 0rxx)
        7. 9.5.3.7 WREG (0100 00xx dddd dddd)
      4. 9.5.4 Reading Data and Monitoring for New Conversion Results
    6. 9.6 Register Map
      1. 9.6.1 Configuration and Status Registers
      2. 9.6.2 Register Descriptions
        1. 9.6.2.1 Configuration Register (address = 0h) [reset = 00h]
          1. Table 10. Configuration Register Field Descriptions
        2. 9.6.2.2 Status Register (address = 1h) [reset = 00h]
          1. Table 11. Status Register Field Descriptions
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Interface Connections
      2. 10.1.2 Connecting Multiple Devices on the Same I2C Bus
      3. 10.1.3 Unused Inputs and Outputs
      4. 10.1.4 Analog Input Filtering
      5. 10.1.5 External Reference and Ratiometric Measurements
      6. 10.1.6 Establishing Proper Limits on the Absolute Input Voltage
      7. 10.1.7 Pseudo Code Example
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Voltage Monitoring
        2. 10.2.2.2 High-Side Current Measurement
        3. 10.2.2.3 Thermistor Measurement
        4. 10.2.2.4 Register Settings
      3. 10.2.3 Application Curve
  11. 11Power Supply Recommendations
    1. 11.1 Power-Supply Sequencing
    2. 11.2 Power-Supply Decoupling
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 デバイス・サポート
      1. 13.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 13.2 ドキュメントのサポート
      1. 13.2.1 関連資料
    3. 13.3 ドキュメントの更新通知を受け取る方法
    4. 13.4 コミュニティ・リソース
    5. 13.5 商標
    6. 13.6 静電気放電に関する注意事項
    7. 13.7 Glossary
  14. 14メカニカル、パッケージ、および注文情報

7.3 Recommended Operating Conditions

over operating ambient temperature range (unless otherwise noted)
MIN NOM MAX UNIT
POWER SUPPLY
Analog power supply AVDD to AGND 2.3 5.5 V
AGND to DGND –0.1 0 0.1
Digital power supply DVDD to DGND 2.3 5.5 V
ANALOG INPUTS(1)
V(AINx) Absolute input voltage Gain = 1 and 4 AGND – 0.1 AVDD + 0.1 V
VIN Differential input voltage VIN = VAINP – VAINN(2) –VREF / Gain VREF / Gain V
VOLTAGE REFERENCE INPUTS
VREF Differential reference input voltage VREF = V(REFP) – V(REFN) 0.75 2.5 AVDD V
V(REFN) Absolute negative reference voltage AGND – 0.1 V(REFP) – 0.75 V
V(REFP) Absolute positive reference voltage V(REFN) + 0.75 AVDD + 0.1 V
DIGITAL INPUTS
Input voltage SCL, SDA, A0, A1, DRDY,
2.3 V ≤ DVDD < 3.0 V		 DGND DVDD + 0.5 V
SCL, SDA, A0, A1, DRDY,
3.0 V ≤ DVDD ≤ 5.5 V		 DGND 5.5
RESET DGND DVDD
TEMPERATURE RANGE
TA Operating ambient temperature –40 125 °C
(1) AINx denotes one of the four available analog inputs. AINP and AINN denote the positive and negative inputs selected by the MUX.
(2) Excluding the effects of offset and gain error.