SLDA058
March 2021
TUSS4470
Trademarks
1
Review of Ultrasonic Sensing Range Performance Factors
1.1
Physical Parameters
1.2
Transducer Characteristics
1.3
AFE Device Configuration
2
Methods Overview
2.1
Introduction
2.2
Hardware Configuration
2.2.1
Transducers
2.2.2
Experimental Setup: Air-Coupled Level Sensing
2.2.3
Experimental Setup: Water-Coupled Level Sensing
2.2.4
TUSS4470 EVM Hardware Configuration
2.2.5
TDC1000-C2000EVM Hardware Configuration
2.3
Firmware Configuration
2.3.1
TUSS4470 Power Configuration
2.3.2
TUSS4470 220 kHz Configuration
2.3.3
TDC1000 220kHz Configuration
2.3.4
TDC1000 220kHz Configuration
2.3.5
TDC1000 1 MHz
3
Short Range Air-Coupled Test Results
3.1
TUSS4470
3.2
TDC1000
4
Mid-Range Air-Coupled Test Results
4.1
TUSS4470
4.1.1
Concept
4.1.2
TUSS4470 35 V Results
4.2
TDC1000
5
Short Range Water-Coupled Test Results
5.1
TUSS4470
5.2
TDC1000
6
Resistive Damping Device Comparison
6.1
TUSS4470
6.2
TDC1000
7
Summary
8
References
A Appendix A
A.1 TUSS4470: Filter Capacitor Selection
A.2 TUSS4470: Shematic
B Appendix B
B.1 TDC1000 Misc.
B.2 TDC1000-C2000EVM Schematic
8
References
Texas Instruments:
Ultrasonic Sensing Basics
Texas Instruments:
Using Ultrasonic Sensing to Monitor Level in Tanks
Texas Instruments:
PGA460 Ultrasonic Module Hardware and Software Optimization
Texas Instruments:
How to Select and Mount Transducers in Ultrasonic Sensing for Level Sensing and Fluid ID
Texas Instruments:
TUSS4470 Direct Drive Ultrasonic Sensor IC With Logarithmic Amplifier Data Sheet
Texas Instruments:
TUSS44x0 EVM for Ultrasonic Sensors User's Guide
Texas Instruments:
TDC1000 Ultrasonic Sensing Analog Front End (AFE) for Level Sensing, Flow Sensing, Concentration Sensing, and Proximity Sensing Applications Data Sheet
Texas Instruments:
TDC1000-C2000EVM User’s Guide
TUSS4470 TI Precision Labs Video Series
Ultrasonic AFE Comparison