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

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RGT|16
  • D|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.9 Typical Characteristics: VCC = 3.3V

at TA = 25°C, VCC = 3.3V, CF = 1nF, RF = 30kΩ (slope = 30mV/dB), Ref_Res = 1% 56kΩ, and 10nF capacitor to AGND on Log_Inp and Log_Inm (unless otherwise noted); for AFE, 2nd-order BPF centered around frequency f with gain = –7dB used between LNA and Log-Detector block

LOG300 Log-Detector Output at Various Frequencies
 
Figure 5-35 Log-Detector Output at Various Frequencies
LOG300 AFE Output at Various Frequencies
 
Figure 5-37 AFE Output at Various Frequencies
LOG300 Log-Detector Slope Variation vs Supply
RF = 30kΩ, f = 1MHz
Figure 5-39 Log-Detector Slope Variation vs Supply
LOG300 Log-Detector Conformance Error for Different Frequencies
 
Figure 5-36 Log-Detector Conformance Error for Different Frequencies
LOG300 AFE Log-Conformance Error for Different Frequencies
 
Figure 5-38 AFE Log-Conformance Error for Different Frequencies
LOG300 LNA Overdrive Recovery
 
Figure 5-40 LNA Overdrive Recovery