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類比溫度感測器

LMT85

現行

採用 SC70 和 TO-92 的 1.8V 10 uA 類比輸出溫度感測器

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LMT85

現行
產品規格表 立即訂購

產品詳細資料

Local sensor accuracy (max) 2.7 Rating Catalog Operating temperature range (°C) -50 to 150 Supply current (max) (µA) 8.1 Interface type Analog output Sensor gain (mV/°C) -8.2 Features Industry standard pinout
Local sensor accuracy (max) 2.7 Rating Catalog Operating temperature range (°C) -50 to 150 Supply current (max) (µA) 8.1 Interface type Analog output Sensor gain (mV/°C) -8.2 Features Industry standard pinout
TO-92 (LP) 3 19.136 mm² (5.2 mm × 3.68 mm) SOT-SC70 (DCK) 5 4.2 mm² (2 mm × 2.1 mm) TO-92 (LPG) 3 6.08 mm² (4 mm × 1.52 mm)
  • LMT85LPG (TO-92S package) has a Fast Thermal Time Constant, 10-s Typical (1.2 m/s Airflow)
  • Very Accurate: ±0.4°C Typical
  • Low 1.8-V Operation
  • Average Sensor Gain of -8.2 mV/°C
  • Low 5.4-µA Quiescent Current
  • Wide Temperature Range: –50°C to 150°C
  • Output is Short-Circuit Protected
  • Push-Pull Output With ±50-µA Drive Capability
  • Footprint Compatible With the Industry-Standard LM20/19 and LM35 Temperature Sensors
  • Cost-Effective Alternative to Thermistors
  • LMT85LPG (TO-92S package) has a Fast Thermal Time Constant, 10-s Typical (1.2 m/s Airflow)
  • Very Accurate: ±0.4°C Typical
  • Low 1.8-V Operation
  • Average Sensor Gain of -8.2 mV/°C
  • Low 5.4-µA Quiescent Current
  • Wide Temperature Range: –50°C to 150°C
  • Output is Short-Circuit Protected
  • Push-Pull Output With ±50-µA Drive Capability
  • Footprint Compatible With the Industry-Standard LM20/19 and LM35 Temperature Sensors
  • Cost-Effective Alternative to Thermistors

The LMT85 is a precision CMOS temperature sensor with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage that is inversely proportional to temperature. The 1.8-V supply voltage operation, 5.4-µA quiescent current, and 0.7-ms power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered applications such as drones and sensor nodes. The LMT85LPG 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 LMT85 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.

The LMT85 is a precision CMOS temperature sensor with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage that is inversely proportional to temperature. The 1.8-V supply voltage operation, 5.4-µA quiescent current, and 0.7-ms power-on time enable effective power-cycling architectures to minimize power consumption for battery-powered applications such as drones and sensor nodes. The LMT85LPG 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 LMT85 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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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 LMT85 1.8-V, SC70/TO-92/TO-92S, Analog Temperature Sensors datasheet (Rev. E) PDF | HTML 2017/10/20
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

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開發板

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.

使用指南: PDF
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計算工具

SNIC007 — LMT85 Look-Up Table

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TO-92 (LP) 3 Ultra Librarian
SOT-SC70 (DCK) 5 Ultra Librarian
TO-92 (LPG) 3 Ultra Librarian
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