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一线制 温度传感器MAX31825技术手册

更新时间：2020-11-13 11:50:38 大小：360K 上传用户：xzxbybd查看TA发布的资源 标签：温度传感器max31825 下载积分：2分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

资料介绍

一线制 温度传感器MAX31825技术手册


说明

The MAX31825 temperature sensor provides 8-bit to 12-bit Celsius temperature measurements with better than ±1°C accuracy from 0°C to +70°C and ±1.75°C from -45°C to +145°C.

The sensor communicates over a 1-Wire® bus that, by definition, requires only one data line (and ground) for communication with a microcontroller. In addition, the sensor can derive power directly from the data line ("parasite power"), eliminating the need for an external power supply.

Each sensor has a unique 64-bit serial code, which allows multiple MAX31825 ICs to reside on the same 1-Wire bus. In addition, it includes two address input pins that, using an external resistor and pin-strapping, allow one of 64 different addresses to be selected to identify each sensor's physical location. Therefore, it is simple to use one microprocessor to control many devices distributed over a large area.

The MAX31825 is available in a 6-bump WLP package. The power supply voltage range is from 1.6V to 3.6V for external power supplies, and from 2.3V to 3.6V for parasite power. The operating temperature range is from -45°C to +145°C.

MAX31825: Typical Application CircuitMAX31825: Typical Application Circuit放大+

关键特性

  • 1-Wire Interface Requires Only One Port Pin for Communication

  • Unique 64-bit Serial Code Stored in an On-Board ROM

  • External Resistor Selects Address for Location Identification

  • Can Be Powered From Data Line

  • Power Supply Range is 1.6V to 3.6V (External Power), 2.3V to 3.6V (Parasite Power)

  • Measures Temperatures from -45°C to +145°C

  • Better Than ±1°C Accuracy from 0°C to +70°C

  • Better Than ±1.75°C Accuracy from -45°C to +145°C

  • Alarm Output for Detection of Temperature Faults

  • Temperature Resolution is Selectable from 8 to 12 Bits

  • Converts Temperature to 10-bit Digital Word in 80ms (max)

  • User-Definable Alarm Settings

  • 4kV HBM ESD Protection

  • Available in a 6-Bump WLP


部分文件列表

文件名 大小
MAX31825.pdf 360K

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