SLOSEB7C September   2024  – September 2025 LOG300

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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 Low Noise Amplifier (LNA) 
    6. 5.6 Electrical Characteristics Log Detector
    7. 5.7 Electrical Characteristics LNA + Log Detector (AFE)
    8. 5.8 Typical Characteristics: VCC = 5V
    9. 5.9 Typical Characteristics: VCC = 3.3V
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Offset Correction Loop (OCL)
      2. 7.3.2 Single and Differential Input
      3. 7.3.3 Input Frequency Detect
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Ultrasonic Distance Measurement
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
    3. 8.3 Power Supply Recommendations
    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 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

10 Revision History

Changes from Revision B (December 2024) to Revision C (September 2025)

  • Updated Features and Description to highlight support for single-ended and differential inputs and signal detection from 50Hz to 40MHzGo
  • Updated Logarithmic Detector and Envelope Detector in Description Go
  • Changed Figure 5-33 title from Slope vs Frequency to Log_Out Flatness for a Given Log_Inp Go
  • Added Figure 5-34, Low Frequency Sweep Go
  • Updated all figures in Parameter Measurement Information to show symmetrical inputs for Log_Inm and Log_Inp pins, and added 1.7kΩ to both the inputsGo
  • Updated Functional Block Diagram to show symmetrical inputs for Log_Inm and Log_Inp pins, and added 1.7kΩ to both the inputsGo
  • Updated Offset Correction Loop (OCL) for clarityGo

Changes from Revision A (October 2024) to Revision B (December 2024)

  • Added RGT package to data sheetGo
  • Added minimum output voltage for RGT packageGo
  • Updated minimum output voltage at TA = –40°C to +125°C in Electrical Characteristics LNA + Log Detector (AFE) Go
  • Updated Figure 5-34, Log-Detector Output at Various Frequencies, to fix broken X-axis scaleGo
  • Updated Figure 7-1, Impedance Structure at Log_Inp and Log_Inm Go
  • Updated Figure 7-2, Impedance vs Frequency at Log_Inp and Log_Inm Go

Changes from Revision * (September 2024) to Revision A (October 2024)

  • Changed document status from advanced information (preview) to production data (active)Go