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TDC1000QPWRQ1 Arkusz danych(PDF) 1 Page - Texas Instruments |
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TDC1000QPWRQ1 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 60 page Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TDC1000, TDC1000-Q1 SNAS648B – OCTOBER 2014 – REVISED AUGUST 2015 TDC1000 Ultrasonic Sensing Analog Front End (AFE) for Level Sensing, Flow Sensing, Concentration Sensing, and Proximity Sensing Applications 1 Features 3 Description The TDC1000 is a fully integrated analog front-end 1 • Automotive AEC-Q100 (TDC1000-Q1) (AFE) for ultrasonic sensing measurements of level, • Measurement Range: Up to 8 ms fluid identification/concentration, flow, and proximity/ • Operating Current: 1.8 µA (2 SPS) distance applications common in automotive, industrial, medical, and consumer markets. When • Transmitter Channels TX1/TX2: paired with an MSP430/C2000 MCU, power, wireless, – Supports Single or Dual-Transducer and source code, TI provides the complete ultrasonic Application sensing solution. – Programmable Excitation: 31.25 kHz to 4 MHz, TI's Ultrasonic AFE offers programmability and Up to 31 Pulses flexibility to accommodate a wide-range of • Receiver Channels RX1/RX2: applications and end equipment. The TDC1000 can be configured for multiple transmit pulses and – STOP Cycle-to-Cycle Jitter: 50 psRMS frequencies, gain, and signal thresholds for use with – Low-Noise and Programmable Gain Amplifiers a wide-range of transducer frequencies (31.25kHz to – Access to Signal Chain for External Filter 4MHz) and Q-factors. Similarly, the programmability Design of the receive path allows ultrasonic waves to be detected over a wider range of distances/tank sizes – Programmable Threshold Comparator for Echo and through various mediums. Qualification – Automatic Channel Swapping for Differential Selecting different modes of operation, the TDC1000 Time-of-Flight (TOF) Measurement can be optimized for low power consumption, making it ideal for battery powered flow meters, – Programmable Low Power Mode for Long TOF level instrumentation, and distance/proximity Measurements measurements. The low noise amplifiers and • Temperature Measurement comparators provide extremely low jitter, enabling – Interface to Two PT1000/500 RTDs picosecond resolution and accuracy for zero and low flow measurements. – RTD-to-RTD Matching Accuracy 0.02°CRMS • Operating Temperature Range: -40°C to 125°C Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) 2 Applications TDC1000 TSSOP (28) PW 9.70 mm × 4.40 mm • Measurements through tanks of varying materials: TDC1000-Q1 TSSOP (28) PW 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 • Flow Metering: Water, Gas, Heat • Distance/Proximity Sensing 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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