TDC1011

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TDC1011 SNAS662 – JULY 2015 TDC1011 Single Channel Ultrasonic Sensing Analog Front End (AFE) for Level Sensing, Concentration Sensing Applications 1 Features 1 Measurement Range: Up to 8 ms Operating Current: 1.8 µA (2 SPS) Transmitter Channel TX – Supports Single Transducer Applications – Programmable Excitation: 31.25 kHz to 4 MHz, Up to 31 Pulses Receiver Channel RX – STOP Cycle-to-Cycle Jitter: 50 psRMS – Low-Noise and Programmable Gain Amplifiers – Access to Signal Chain for External Filter Design – Programmable Threshold Comparator for Echo Qualification – Programmable Low Power Mode for Long TOF Measurements Temperature Measurement – Interface to Two PT1000/500 RTDs – RTD-to-RTD Matching Accuracy 0.02°CRMS Operating Temperature Range: -40°C to 125°C 2 Applications Measurements Through Tanks of Varying Materials: – Fluid Level – Fluid Identification / Concentration 3 Description The TDC1011 is a fully integrated analog front-end (AFE) for ultrasonic sensing measurements of liquid level, fluid identification/concentration, and proximity/ distance applications common in automotive, industrial, medical, and consumer markets. When paired with an MSP430/C2000 MCU, power, wireless, and source code, TI provides the complete ultrasonic sensing solution. TI's Ultrasonic AFE offers programmability and flexibility to accommodate a wide-range of applications an...