TDC1000
- 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.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | TDC1000 Ultrasonic Sensing Analog Front End (AFE) for Level Sensing, Flow Sensing, Concentration Sensing, and Proximity Sensing Applications datasheet (Rev. C) | PDF | HTML | 2023/2/22 | ||
| 應用說明 | Ultrasonic Sensing Basics (Rev. D) | PDF | HTML | 2021/12/2 | |||
| 應用說明 | How to Select and Mount Transducers in Ultrasonic Sensing for Level Sensing and (Rev. A) | PDF | HTML | 2015/11/25 | |||
| 應用說明 | Using Ultrasonic Sensing to Monitor Level in Tanks | 2015/7/25 | ||||
| 應用說明 | Ultrasonic Sensing Basics for Liquid Level Sensing, Flow Sensing, and Fluid Iden (Rev. A) | 2015/6/11 | ||||
| 技術文章 | Why are flow meter manufacturers switching from mechanical to ultrasonic? | PDF | HTML | 2015/6/11 | |||
| 技術文章 | How are washing machines like bats? Using sound to improve our lives. | PDF | HTML | 2015/5/1 | |||
| 應用說明 | Ultrasonic Sensing for Fluid Identification and Contamination | 2015/4/30 | ||||
| 應用說明 | Measuring an RTD Sensor with the TDC1000 and TDC7200 for Ultrasonic Sensing | 2015/4/9 |
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)。
TDC1000-C2000EVM — 適用於水平度及濃度量測的超音波感測評估模組
- 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。
評估步驟
步驟 1：購買 (...)
SNAC064 — TDC1000-TDC7200EVM GUI v1.2.7.1
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。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| TSSOP (PW) | 28 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。