LM95172-Q1

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具有 SPI 接口且支持 200°C 溫度的汽車級 ±1°C 溫度傳感器

產(chǎn)品詳情

Local sensor accuracy (max) 1 Type Local Operating temperature range (°C) -40 to 200 Supply voltage (min) (V) 3 Interface type SPI Supply voltage (max) (V) 5.5 Features ALERT, One-shot conversion Supply current (max) (μA) 456 Temp resolution (max) (bps) 16 Remote channels (#) 0 Rating Catalog
Local sensor accuracy (max) 1 Type Local Operating temperature range (°C) -40 to 200 Supply voltage (min) (V) 3 Interface type SPI Supply voltage (max) (V) 5.5 Features ALERT, One-shot conversion Supply current (max) (μA) 456 Temp resolution (max) (bps) 16 Remote channels (#) 0 Rating Catalog
CFP (NAC) 10 62.9285 mm2 9.91 x 6.35
  • LM95172EWG is AEC-Q100 Grade 0 Qualified and is Manufactured on an Automotive Grade Flow.
  • 13-Bit (0.0625°C LSB) to 16-Bit (0.0078125°C LSB) Temperature Resolution
  • Wide ?40°C to +200°C Temperature Range
  • 35 ms Best Conversion Time Tracks Fast Temp Changes
  • OVERTEMP Digital Output Switches
    when TDIE > THIGH
  • Shutdown Mode Saves Power yet Wakes up for One-Shot Temperature Update
  • SPI and MICROWIRE Bus Interface
  • 10-Pin Cerpack High-Temperature Ceramic Package

Key Specifications

  • Analog and Digital Supply Voltage 3.0V to 5.5V
  • Total Supply Current ????Operating 400 μA (typ)
    • Shutdown??40°C to +140°C 4 μA (max)
    • Shutdown??40°C to +175°C 12 μA (max)
    • Shutdown??40°C to +200°C 28 μA (max)
  • Temperature Accuracy
    • +175°C to +200°C ±3.0°C (max)
    • +130°C to +160°C ±1.0°C (max)
    • +120°C to +130°C ±2.0°C (max)
    • +160°C to +175°C ±2.0°C (max)
    • ?40°C to +120°C ±3.5°C (max)
  • Temperature Resolution
    • 13-bit mode 0.0625°C/LSB
    • 16-bit mode 0.0078125°C/LSB
  • Conversion Time
    • 13-bit mode 43 ms (max)
    • 16-bit mode 350 ms (max)

All trademarks are the property of their respective owners.

  • LM95172EWG is AEC-Q100 Grade 0 Qualified and is Manufactured on an Automotive Grade Flow.
  • 13-Bit (0.0625°C LSB) to 16-Bit (0.0078125°C LSB) Temperature Resolution
  • Wide ?40°C to +200°C Temperature Range
  • 35 ms Best Conversion Time Tracks Fast Temp Changes
  • OVERTEMP Digital Output Switches
    when TDIE > THIGH
  • Shutdown Mode Saves Power yet Wakes up for One-Shot Temperature Update
  • SPI and MICROWIRE Bus Interface
  • 10-Pin Cerpack High-Temperature Ceramic Package

Key Specifications

  • Analog and Digital Supply Voltage 3.0V to 5.5V
  • Total Supply Current ????Operating 400 μA (typ)
    • Shutdown??40°C to +140°C 4 μA (max)
    • Shutdown??40°C to +175°C 12 μA (max)
    • Shutdown??40°C to +200°C 28 μA (max)
  • Temperature Accuracy
    • +175°C to +200°C ±3.0°C (max)
    • +130°C to +160°C ±1.0°C (max)
    • +120°C to +130°C ±2.0°C (max)
    • +160°C to +175°C ±2.0°C (max)
    • ?40°C to +120°C ±3.5°C (max)
  • Temperature Resolution
    • 13-bit mode 0.0625°C/LSB
    • 16-bit mode 0.0078125°C/LSB
  • Conversion Time
    • 13-bit mode 43 ms (max)
    • 16-bit mode 350 ms (max)

All trademarks are the property of their respective owners.

The LM95172EWG is an integrated digital-output temperature sensor with a Serial Peripheral Interface (SPI) and MICROWIRE™-compatible interface in a 10-pin Cerpack high temperature ceramic package. It features a very linear Sigma-Delta Analog-to-Digital Converter (ADC), high accuracy, fast conversion rates, and extremely low output noise. With an operating temperature as low as -40°C and optimized accuracy from 120°C to 200°C, it is ideal for high-temperature applications.

The over-temperature alarm output (OVERTEMP) asserts when the die temperature exceeds a programmed THIGH limit. The user-programmed TLOW limit creates a temperature-stabilizing hysteresis when the ambient temperature is near the trip point.

The LM95172EWG can be programmed to operate from 13 bits (0.0625°C per LSB) to 16 bits (0.0078125°C per LSB) resolution. The LM95172EWG powers up in 35 ms, the fastest conversion time, with temperature output set at 13-bit resolution. The resolution may then be changed to 14-, 15- or 16-bits. When in the 13-, 14- or 15-bit resolution mode, the least significant bit in the 16-bit temperature register toggles after the completion of each conversion. This bit may be monitored to verify that the conversion is complete.

The high noise immunity of the Serial I/O (SI/O) output makes the LM95172EWG ideal for use in challenging electromagnetic environments.

The LM95172EWG is an integrated digital-output temperature sensor with a Serial Peripheral Interface (SPI) and MICROWIRE™-compatible interface in a 10-pin Cerpack high temperature ceramic package. It features a very linear Sigma-Delta Analog-to-Digital Converter (ADC), high accuracy, fast conversion rates, and extremely low output noise. With an operating temperature as low as -40°C and optimized accuracy from 120°C to 200°C, it is ideal for high-temperature applications.

The over-temperature alarm output (OVERTEMP) asserts when the die temperature exceeds a programmed THIGH limit. The user-programmed TLOW limit creates a temperature-stabilizing hysteresis when the ambient temperature is near the trip point.

The LM95172EWG can be programmed to operate from 13 bits (0.0625°C per LSB) to 16 bits (0.0078125°C per LSB) resolution. The LM95172EWG powers up in 35 ms, the fastest conversion time, with temperature output set at 13-bit resolution. The resolution may then be changed to 14-, 15- or 16-bits. When in the 13-, 14- or 15-bit resolution mode, the least significant bit in the 16-bit temperature register toggles after the completion of each conversion. This bit may be monitored to verify that the conversion is complete.

The high noise immunity of the Serial I/O (SI/O) output makes the LM95172EWG ideal for use in challenging electromagnetic environments.
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類型 標(biāo)題 下載最新的英語版本 日期
* 數(shù)據(jù)表 LM95172 13-Bit to 16-Bit 200C Digital Temp Sensor with 3-Wire Interface 數(shù)據(jù)表 (Rev. B) 2013年 3月 25日
技術(shù)文章 How to maximize powertrain efficiency and reliability with high-accuracy temperatu PDF | HTML 2021年 5月 10日
更多文獻資料 Die D/S LM95172QA2-MDA 13-BIT to 16-BIT Digital Temp Sensor w/ 3-wire Interface 2013年 1月 10日
更多文獻資料 Die D/S LM95172QA2 MDA MCD2670A 13-Bit to 16-Bit 200°C Dig Temp Sen w/ 3-Wire IF 2012年 10月 19日
EVM 用戶指南 LM95172EVM User’s Guide 2012年 9月 25日

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SensorEval
SensorEval software supports the latest TI temperature sensor and hardware monitor evaluation boards via USB interface. It also allows access to sensors mounted directly on motherboards that support Intel chip sets.

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