SBAS444D May 2009  – January 2018 ADS1113 , ADS1114 , ADS1115

PRODUCTION DATA. 

  1. 1     Features
  2. 2     Applications
  3. 3     Description
  4. DeviceImages
    1. SimplifiedBlock Diagrams
  5. 4     Revision History
  6. 5     Device Comparison Table
  7. 6     Pin Configuration and Functions
    1. PinFunctions
  8. 7     Specifications
    1. 7.1Absolute Maximum Ratings
    2. 7.2ESD Ratings
    3. 7.3Recommended Operating Conditions
    4. 7.4Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6Timing Requirements: I2C
    7. 7.7Typical Characteristics
  9. 8     Parameter Measurement Information
    1. 8.1Noise Performance
  10. 9     Detailed Description
    1. 9.1Overview
    2. 9.2Functional Block Diagrams
    3. 9.3Feature Description
      1. 9.3.1Multiplexer
      2. 9.3.2Analog Inputs
      3. 9.3.3Full-Scale Range (FSR) and LSB Size
      4. 9.3.4Voltage Reference
      5. 9.3.5Oscillator
      6. 9.3.6Output Data Rate and Conversion Time
      7. 9.3.7Digital Comparator (ADS1114 and ADS1115 Only)
      8. 9.3.8Conversion Ready Pin (ADS1114 and ADS1115 Only)
      9. 9.3.9SMbus Alert Response
    4. 9.4Device Functional Modes
      1. 9.4.1Reset and Power-Up
      2. 9.4.2Operating Modes
        1. 9.4.2.1Single-Shot Mode
        2. 9.4.2.2Continuous-Conversion Mode
      3. 9.4.3Duty Cycling For Low Power
    5. 9.5Programming
      1. 9.5.1I2C Interface
        1. 9.5.1.1I2C Address Selection
        2. 9.5.1.2I2C General Call
        3. 9.5.1.3I2C Speed Modes
      2. 9.5.2Slave Mode Operations
        1. 9.5.2.1Receive Mode
        2. 9.5.2.2Transmit Mode
      3. 9.5.3Writing To and Reading From the Registers
      4. 9.5.4Data Format
    6. 9.6Register Map
      1. 9.6.1Address Pointer Register (address = N/A) [reset = N/A]
        1. Table6. Address Pointer Register Field Descriptions
      2. 9.6.2Conversion Register (P[1:0] = 0h) [reset = 0000h]
        1. Table7. Conversion Register Field Descriptions
      3. 9.6.3Config Register (P[1:0] = 1h) [reset = 8583h]
        1. Table8. Config Register Field Descriptions
      4. 9.6.4Lo_thresh (P[1:0] = 2h) [reset = 8000h] and Hi_thresh (P[1:0] = 3h) [reset = 7FFFh] Registers
        1. Table9. Lo_thresh and Hi_thresh Register Field Descriptions
  11. 10    Application and Implementation
    1. 10.1Application Information
      1. 10.1.1Basic Connections
      2. 10.1.2Single-Ended Inputs
      3. 10.1.3Input Protection
      4. 10.1.4Unused Inputs and Outputs
      5. 10.1.5Analog Input Filtering
      6. 10.1.6Connecting Multiple Devices
      7. 10.1.7Quickstart Guide
    2. 10.2Typical Application
      1. 10.2.1Design Requirements
      2. 10.2.2Detailed Design Procedure
        1. 10.2.2.1Shunt Resistor Considerations
        2. 10.2.2.2Operational Amplifier Considerations
        3. 10.2.2.3ADC Input Common-Mode Considerations
        4. 10.2.2.4Resistor (R1, R2, R3, R4) Considerations
        5. 10.2.2.5Noise and Input Impedance Considerations
        6. 10.2.2.6First-order RC Filter Considerations
        7. 10.2.2.7Circuit Implementation
        8. 10.2.2.8Results Summary
      3. 10.2.3Application Curves
  12. 11    Power Supply Recommendations
    1. 11.1Power-Supply Sequencing
    2. 11.2Power-Supply Decoupling
  13. 12    Layout
    1. 12.1Layout Guidelines
    2. 12.2Layout Example
  14. 13    Device and Documentation Support
    1. 13.1Documentation Support
      1. 13.1.1Related Documentation
    2. 13.2Related Links
    3. 13.3Receiving Notification of Documentation Updates
    4. 13.4Community Resources
    5. 13.5Trademarks
    6. 13.6Electrostatic Discharge Caution
    7. 13.7Glossary
  15. 14    Mechanical, Packaging, and Orderable Information

Features

  • Ultra-Small X2QFN Package:
    2 mm × 1.5 mm × 0.4 mm
  • Wide Supply Range: 2.0 V to 5.5 V
  • Low Current Consumption: 150 μA
    (Continuous-Conversion Mode)
  • Programmable Data Rate:
    8 SPS to 860 SPS
  • Single-Cycle Settling
  • Internal Low-Drift Voltage Reference
  • Internal Oscillator
  • I2C Interface: Four Pin-Selectable Addresses
  • Four Single-Ended or Two Differential Inputs (ADS1115)
  • Programmable Comparator (ADS1114 and ADS1115)
  • Operating Temperature Range:
    –40°C to +125°C