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TDC1011

更新时间: 2024-11-29 01:04:23
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
49页 2279K
描述
TDC1011 Single Channel Ultrasonic Sensing Analog Front End (AFE) for Level Sensing,Concentration Sensing Applications

TDC1011 数据手册

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TDC1011  
SNAS662 JULY 2015  
TDC1011 Single Channel Ultrasonic Sensing Analog Front End (AFE) for Level Sensing,  
Concentration Sensing Applications  
1 Features  
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.  
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  
TI's Ultrasonic AFE offers programmability and  
flexibility to accommodate  
STOP Cycle-to-Cycle Jitter: 50 psRMS  
a
wide-range of  
Low-Noise and Programmable Gain Amplifiers  
applications and end equipment. The TDC1011 can  
be configured for multiple transmit pulses and  
frequencies, gain, and signal thresholds for use with  
a wide-range of transducer frequencies (31.25kHz to  
4MHz) and Q-factors. Similarly, the programmability  
of the receive path allows ultrasonic waves to be  
detected over a wider range of distances/tank sizes  
and through various mediums.  
Access to Signal Chain for External Filter  
Design  
Programmable Threshold Comparator for Echo  
Qualification  
Programmable Low Power Mode for Long TOF  
Measurements  
Temperature Measurement  
Selecting different modes of operation, the TDC1011  
can be optimized for low power consumption, making  
it ideal for battery powered applications. The low  
noise amplifiers and comparators provide extremely  
low jitter, enabling picosecond resolution and  
accuracy.  
Interface to Two PT1000/500 RTDs  
RTD-to-RTD Matching Accuracy 0.02°CRMS  
Operating Temperature Range: -40°C to 125°C  
2 Applications  
Device Information(1)  
Measurements Through Tanks of Varying  
Materials:  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
TDC1011  
TSSOP (PW-28)  
9.70 mm × 4.40 mm  
Fluid Level  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Fluid Identification / Concentration  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 

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