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  • LDC1041: 8-bit Rp, 24-bit L Inductance-to-Digital Converter with SPI

    • SNOSCY1 March   2014 LDC1041

      PRODUCTION DATA.  

  • CONTENTS
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  • LDC1041: 8-bit Rp, 24-bit L Inductance-to-Digital Converter with SPI
  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Terminal Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 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 Inductive Sensing
      2. 7.3.2 Measuring Rp with LDC1041
      3. 7.3.3 Measuring Inductance with LDC1041
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power Modes
      2. 7.4.2 INTB Pin Modes
        1. 7.4.2.1 Comparator Mode
        2. 7.4.2.2 Wake-Up Mode
        3. 7.4.2.3 DRDYB Mode
    5. 7.5 Programming
      1. 7.5.1 SPI Description
        1. 7.5.1.1 Extended SPI Transactions
    6. 7.6 Register Map and Description
  8. 8 Applications and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Calculation of Rp_MIN and Rp_MAX
        1. 8.1.1.1 Setting Rp_MAX
        2. 8.1.1.2 Setting Rp_MIN
      2. 8.1.2 Output Data Rate
      3. 8.1.3 Choosing Filter Capacitor (CFA and CFB Terminals)
    2. 8.2 Typical Applications
      1. 8.2.1 Axial Distance Sensing Using a PCB Sensor with LDC1041
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Sensor and Target
          2. 8.2.1.2.2 Calculating Sensor Capacitor
          3. 8.2.1.2.3 Choosing Filter Capacitor
          4. 8.2.1.2.4 Setting Rp_MIN and Rp_MAX
          5. 8.2.1.2.5 Calculating Minimum Sensor Frequency
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Linear Position Sensing Application Diagram
      3. 8.2.3 Angular Position Sensing Application Diagram
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Trademarks
    2. 11.2 Electrostatic Discharge Caution
    3. 11.3 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
  13. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • NHR|16
    • MPDS426
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • snoscy1_oa
  • snoscy1_pm
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