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TDC1011-Q1
S...
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Technical Documents
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Reference Design
TDC1011-Q1
SNAS670 – JULY 2015
TDC1011-Q1 Single Channel Ultrasonic Sensing Analog Front End (AFE) for Level Sensing, Concentration Sensing Applications
1 Features
1 Automotive AEC-Q100 (TDC1011-Q1) 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
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 and end equipment. The TDC1011 can be configured for multiple transmit pulses an...