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數位溫度感測器

TMP126

現行

具有 175°C 運作溫度和、CRC 和電壓轉換速率 ±0.25°C SPI 溫度感測器

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產品規格表

TMP126

現行
產品規格表 立即訂購

產品詳細資料

Local sensor accuracy (max) 0.3, 0.8 Type Local Operating temperature range (°C) -55 to 175 Supply voltage (min) (V) 1.62 Interface type SPI Supply voltage (max) (V) 5.5 Features ALERT, CRC, NIST traceable, One-shot conversion, Slew Rate Warning Supply current (max) (µA) 1.2 Temp resolution (max) (bps) 14 Remote channels (#) 0 Addresses 1 Rating Catalog
Local sensor accuracy (max) 0.3, 0.8 Type Local Operating temperature range (°C) -55 to 175 Supply voltage (min) (V) 1.62 Interface type SPI Supply voltage (max) (V) 5.5 Features ALERT, CRC, NIST traceable, One-shot conversion, Slew Rate Warning Supply current (max) (µA) 1.2 Temp resolution (max) (bps) 14 Remote channels (#) 0 Addresses 1 Rating Catalog
SOT-SC70 (DCK) 6 4.2 mm² 2 x 2.1
  • High accuracy
    • TMP126:
      • ±0.25°C (maximum) from 20°C to 30°C
      • ±0.3°C (maximum) from –20°C to 85°C
      • ±0.4°C (maximum) from –40°C to 125°C
      • ±0.5°C (maximum) from –55°C to 150°C
      • ±0.75°C (maximum) from 150°C to 175°C
    • TMP126N:
      • ±0.8°C (maximum) from –40°C to 150°C
  • Fast measurement intervals with no self-heating concerns
  • Operating temperature range:
    • TMP126: –55°C to 175°C

    • TMP126N: –40°C to 150°C

  • Supply range: 1.62 V to 5.5 V
  • Factory-calibrated
    • NIST traceability
  • Low power consumption
  • Programmable temperature alert limits
  • Temperature slew rate warning
  • Optional Cyclic Redundancy Check (CRC)
  • 3-wire SPI interface
  • High accuracy
    • TMP126:
      • ±0.25°C (maximum) from 20°C to 30°C
      • ±0.3°C (maximum) from –20°C to 85°C
      • ±0.4°C (maximum) from –40°C to 125°C
      • ±0.5°C (maximum) from –55°C to 150°C
      • ±0.75°C (maximum) from 150°C to 175°C
    • TMP126N:
      • ±0.8°C (maximum) from –40°C to 150°C
  • Fast measurement intervals with no self-heating concerns
  • Operating temperature range:
    • TMP126: –55°C to 175°C

    • TMP126N: –40°C to 150°C

  • Supply range: 1.62 V to 5.5 V
  • Factory-calibrated
    • NIST traceability
  • Low power consumption
  • Programmable temperature alert limits
  • Temperature slew rate warning
  • Optional Cyclic Redundancy Check (CRC)
  • 3-wire SPI interface

The TMP126 is a 0.25°C accuracy digital temperature that supports an ambient temperature range of –55°C to 175°C. The TMP126 features a 14-bit signed temperature resolution (0.03125°C per LSB) while operating over a supply range of 1.62 V to 5.5 V. With a fast conversion rate, low supply current, and a simple 3-wire SPI compatible interface, the TMP126 is designed for a wide range of applications.

The TMP126 includes additional advanced features for increased reliability in harsh environments such as optional CRC checksum for data integrity, programmable alert limits, a temperature slew rate warning, and an enhanced operational temperature range. The device utilizes a NIST traceable factory calibration for guaranteed accuracy and comes in a small SOT package for close placement to heat sources along with fast response times.

The TMP126 is a 0.25°C accuracy digital temperature that supports an ambient temperature range of –55°C to 175°C. The TMP126 features a 14-bit signed temperature resolution (0.03125°C per LSB) while operating over a supply range of 1.62 V to 5.5 V. With a fast conversion rate, low supply current, and a simple 3-wire SPI compatible interface, the TMP126 is designed for a wide range of applications.

The TMP126 includes additional advanced features for increased reliability in harsh environments such as optional CRC checksum for data integrity, programmable alert limits, a temperature slew rate warning, and an enhanced operational temperature range. The device utilizes a NIST traceable factory calibration for guaranteed accuracy and comes in a small SOT package for close placement to heat sources along with fast response times.
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類型 標題 日期
* Data sheet TMP126 Low-Power, 0.25°C SPI Temperature Sensor With 175°C Operation, CRC and Slew Rate Alert datasheet (Rev. C) PDF | HTML 2022年 6月 3日
Application note How to Read and Interpret Digital Temperature Sensor Output Data PDF | HTML 2024年 4月 12日
Certificate TMP126EVM EU RoHS Declaration of Conformity (DoC) 2023年 2月 6日
Application brief Improving System Reliability in Auto and Ind. Cameras w/ AccurateTemp. Sensing PDF | HTML 2022年 1月 3日
Application note Temperature Slew Rate Warning Overview PDF | HTML 2021年 11月 9日
EVM User's guide TMP126EVM User's Guide PDF | HTML 2021年 5月 5日

設計與開發

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開發板

TMP126EVM — 適用於高密精密度 SPI 溫度感測器的 TMP126 評估模組

TMP126-Q1 為高準確度的 0.5°C 數位溫度感測器，支援 -55°C 至 175°C 的環境溫度範圍。TMP126-Q1 具有 14 位元簽署溫度解析度 (0.03125°C/LSB)，可在 1.62 V 至 5.5 V 的供電範圍內運作。本產品具備優異的 PSR，可在整個供電範圍內維持準確度。其中具備快速轉換率、低供應電流及簡易三線 SPI 相容介面，適合各式各樣的廣泛應用。

TMP126EVM 提供簡易方式，協助使用者開始使用 TMP126。EVM (評估模組) 和 GUI (圖形使用者介面) 的設計旨在提供使用者快速設定以評估 (...)

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