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超音波感測器 AFE

TDC1000

現行

適用於水平度及濃度感測的超音波感測類比前端

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產品規格表

TDC1000

現行
產品規格表 立即訂購

產品詳細資料

Type Analog front-end (AFE) Features Direct drive Gain (min) (dB) 20 Gain (max) (dB) 41 Number of input channels 2 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 5.5 Operating temperature range (°C) -40 to 125 Interface type SPI Rating Catalog
Type Analog front-end (AFE) Features Direct drive Gain (min) (dB) 20 Gain (max) (dB) 41 Number of input channels 2 Supply voltage (min) (V) 2.7 Supply voltage (max) (V) 5.5 Operating temperature range (°C) -40 to 125 Interface type SPI Rating Catalog
TSSOP (PW) 28 62.08 mm² 9.7 x 6.4
  • Measurement range: up to 8 ms
  • Operating current: 1.8 µA (2 SPS)
  • Transmitter channels TX1/TX2:
    • Supports single or dual-transducer application
    • Programmable excitation: 31.25 kHz to 4 MHz, up to 31 pulses
  • Receiver channels RX1/RX2:
    • 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
    • Automatic channel swapping for differential Time-of-Flight (TOF) measurement
    • 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
  • Measurement range: up to 8 ms
  • Operating current: 1.8 µA (2 SPS)
  • Transmitter channels TX1/TX2:
    • Supports single or dual-transducer application
    • Programmable excitation: 31.25 kHz to 4 MHz, up to 31 pulses
  • Receiver channels RX1/RX2:
    • 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
    • Automatic channel swapping for differential Time-of-Flight (TOF) measurement
    • 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

The TDC1000 is a fully integrated analog front-end (AFE) for ultrasonic sensing measurements of level, fluid identification/concentration, and proximity/distance applications common in automotive, industrial, 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 TDC1000 can be configured for multiple transmit pulses and frequencies, gain, and signal thresholds for use with a wide-range of transducer frequencies (31.25 kHz to 4 MHz) 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.

Selecting different modes of operation, the TDC1000 can be optimized for low power consumption for battery-powered flow meters, level instrumentation, and distance/proximity measurements. The low noise amplifiers and comparators provide extremely low jitter, enabling picosecond resolution and accuracy for zero and low flow measurements.

The TDC1000 is a fully integrated analog front-end (AFE) for ultrasonic sensing measurements of level, fluid identification/concentration, and proximity/distance applications common in automotive, industrial, 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 TDC1000 can be configured for multiple transmit pulses and frequencies, gain, and signal thresholds for use with a wide-range of transducer frequencies (31.25 kHz to 4 MHz) 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.

Selecting different modes of operation, the TDC1000 can be optimized for low power consumption for battery-powered flow meters, level instrumentation, and distance/proximity measurements. The low noise amplifiers and comparators provide extremely low jitter, enabling picosecond resolution and accuracy for zero and low flow measurements.
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技術文件

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重要文件 類型 標題 格式選項 日期
* Data sheet TDC1000 Ultrasonic Sensing Analog Front End (AFE) for Level Sensing, Flow Sensing, Concentration Sensing, and Proximity Sensing Applications datasheet (Rev. C) PDF | HTML 2023年 2月 22日
Application note Ultrasonic Sensing Basics (Rev. D) PDF | HTML 2021年 12月 2日
Application note How to Select and Mount Transducers in Ultrasonic Sensing for Level Sensing and (Rev. A) PDF | HTML 2015年 11月 25日
Application note Using Ultrasonic Sensing to Monitor Level in Tanks 2015年 7月 25日
Application note Ultrasonic Sensing Basics for Liquid Level Sensing, Flow Sensing, and Fluid Iden (Rev. A) 2015年 6月 11日
Technical article Why are flow meter manufacturers switching from mechanical to ultrasonic? PDF | HTML 2015年 6月 11日
Technical article How are washing machines like bats? Using sound to improve our lives. PDF | HTML 2015年 5月 1日
Application note Ultrasonic Sensing for Fluid Identification and Contamination 2015年 4月 30日
Application note Measuring an RTD Sensor with the TDC1000 and TDC7200 for Ultrasonic Sensing 2015年 4月 9日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

TDC1000-C2000EVM — 適用於水平度及濃度量測的超音波感測評估模組

建議的替代產品

  • 要評估 TUSS4470（一款具有類似功能但功能不等同於 TDC1000 的裝置，適用於高達 1MHz 的直接驅動超音波系統），請使用 BOOST-TUSS4470。
  • 要評估 TUSS4440（一款具有類似功能但功能不等同於 TDC1000 的裝置，適用於高達 400kHz 的變壓器驅動超音波系統），請使用 BOOST-TUSS4440。
TDC1000-C2000EVM 是一款評估模組 (EVM)，可讓使用者透過 C2000 評估 TDC1000 超音波類比前端的操作及性能。  此電路板可用於許多超音波感測應用，其中包括汽車液位偵測、濃度量測和液體識別。

評估步驟

步驟 1：購買 (...)
使用指南: PDF
TI.com 無法提供
開發模組 (EVM) 的 GUI

SNAC064 — TDC1000-TDC7200EVM GUI v1.2.7.1

支援產品和硬體

支援產品和硬體
下載
模擬型號

TDC1000 IBIS Model

SNAM173.ZIP (130 KB) - IBIS Model
下載
模擬型號

TDC1000 TINA-TI Reference Design

SNAM193.TSC (458 KB) - TINA-TI Reference Design
下載
模擬型號

TDC1000 TINA-TI Spice Model

SNAM194.ZIP (13 KB) - TINA-TI Spice Model
下載
Gerber 檔案

PGA460 Transducer and Transformer Listing

SLAC787.ZIP (21 KB)
下載
參考設計

TIDA-00322 — 汽車超音波液位/品質量測參考設計

TI 參考設計 TIDA-00322 是一款汽車液位與液體識別測量系統。它基於雙通道 TDC1000-Q1 超音波 AFE 和即時微控制器 C2000。此參考設計也可搭配 TDC1000 使用，用於工業/消費應用。此解決方案支援具反向電池防護的 4.5-40 V 系統功能。

對於原型設計和訊號可存取性來進行產品開發，TI 建議使用 TDC1000-C2000EVM 作為汽車設計的硬體評估平台。對於工業或消費類設計，建議使用 TDC1000-TDC7200EVM 開始評估。此 EVM 能夠使用 MSP430 或 TDC7200 作為計時器；每個的使用狀況取決於應用的飛時測距準確度需求。

Test report: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
TSSOP (PW) 28 Ultra Librarian
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內含資訊：
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點

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