LMT86
- LMT86LPG (TO-92S package) has a Fast Thermal Time Constant, 10s Typical (1.2m/s Airflow)
- Very accurate: ±0.4°C typical
- Low 2.2V operation
- Average sensor gain of –10.9mV/°C
- Low 5.4µA quiescent current
- Wide temperature range: –50°C to 150°C
- Output is short-circuit protected
- Push-pull output with ±50µA drive capability
- Footprint compatible with the industry-standard LM20/19 and LM35 temperature sensors
- Cost-effective alternative to thermistors
The LMT86 are precision CMOS temperature sensors with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage that is inversely proportional to temperature. The 2.2V supply voltage operation, 5.4µA quiescent current, and 0.7ms power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered applications such as drones and sensor nodes. The LMT86LPG through-hole TO-92S package fast thermal time constant supports off-board time-temperature sensitive applications such as smoke and heat detectors. The accuracy over the wide operating range and other features make the LMT86 an excellent alternative to thermistors.
For devices with different average sensor gains and comparable accuracy, refer to Comparable Alternative Devices for alternative devices in the LMT8x family.
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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 | LMT86 2.2 V, SC70 /TO-92/TO-92S , Analog Temperature Sensor datasheet (Rev. F) | PDF | HTML | 2024/5/29 | ||
| 應用說明 | SC Temp Sensors Challenge Precision RTDs and Thermistors in Build Automation (Rev. A) | 2019/5/8 | ||||
| 更多文件說明 | Analog Temperature Sensors | 2013/4/18 |
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)。
LMT84-7EVM — 適用於 LMT84、LMT85、LMT86 和 LMT87 溫度感測器的 EVM
The Texas Instruments LMT84-7EVM evaluation module (EVM) helps designers evaluate the operation and performance of the LMT84, LMT85, LMT86, and LMT87 analog temperature sensors.
SNIC008 — LMT86 Look-Up Table
TIDA-00620 — 12 至 24V、27A 有刷 DC 馬達參考設計
由於價格低廉且控制方案簡單，有刷馬達是馬達設計中相對流行的選擇。 有刷馬達具有繞線轉子和永磁定子。 馬達的換向是透過導電環實現的，導電環透過電刷與轉子連接，電刷刮擦換向器環。 這樣一來，透過電刷和不同換向環的方向，就可以改變流經馬達的電流方向。 利用 H 橋可以快速有效地對有刷 DC 馬達進行方向和速度控制的改變。 有刷 DC 馬達需要電子驅動器來控制馬達電流。 電子驅動電路包括：一個滿足所需功率能力的兩相位逆變器功率級；一個用於實現馬達速度命令和故障處理的微控制器；用於馬達啟動/堵轉保護的電流檢測功能；用於控制兩相位逆變器的閘極驅動器；以及用於微控制器和其他低壓設備的電源供應器。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOT-SC70 (DCK) | 5 | Ultra Librarian |
| TO-92 (LP) | 3 | Ultra Librarian |
| TO-92 (LPG) | 3 | Ultra Librarian |