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MAX6629, MAX6630, MAX6631, MAX6632
12位 + 符号位数字温度传感器,串行接口


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概述
完整的数据资料 (PDF, 600kB)
英文 Download this datasheet in PDF format下载

The MAX6629-MAX6632 are local digital temperature sensors with an SPI™-compatible serial interface. The temperature is converted to a 12-bit + sign word with a resolution of 0.0625°C/LSB. An extended temperature range provides useful readings up to +150°C.

These sensors are 3-wire serial interface SPI compatible, allowing the MAX6629-MAX6632 to be readily connected to a variety of microcontrollers (µCs). The MAX6629-MAX6632 are read-only devices, simplifying their use in systems where only temperature data is required.

All four digital temperature sensors require very little supply current, making them ideal for portable systems. The MAX6631/MAX6632 perform a temperature-to-digital conversion once every 8s and require minimal average supply current, 32µA (typ). The MAX6629/ MAX6630 perform a conversion once every 0.5s and require only 200µA (typ) supply current. Any of these temperature sensors can perform conversions more often—up to approximately four conversions per second by reading the conversion results more often.

关键特性   应用/使用
  • Low Power Consumption
    • 32µA typ (MAX6631/MAX6632)
    • 200µA typ (MAX6629/MAX6630)
  • 12-Bit + Sign Resolution with 0.0625°C/LSB
  • Accuracy
    • ±1°C (max) from 0°C to +70°C
    • ±2.3°C (max) from -20°C to +100°C
    • ±3.2°C (max) from -40°C to +125°C
    • ±6.5°C (max) at +150°C
  • +150°C Extended Temperature Range
  • SPI-Compatible Serial Interface
  • +3.0V to +5.5V Supply Range
  • 6-Pin SOT23 Package

 
  • 汽车
  • 蜂窝设备
  • 硬盘驱动器
  • HVAC
  • 工业控制系统

    Key Specifications:   Temperature Sensors
    Part Number Sensor Type Interface Accuracy (±°C) Parasite Power Temperature Resolution (Bits) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price**
    MAX6629  Local 3-Wire/SPI 3.2 No 12 Yes SOT-23/6
    THIN QFN (Dual)/6
    9 $1.39 @ 1k
    MAX6630  $1.39 @ 1k
    MAX6631  $1.49 @ 1k
    MAX6632  $1.49 @ 1k
    See All Temperature Sensors (97)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    图表
    MAX6629,MAX6630,MAX6631,MAX6632:典型应用电路
    典型应用电路

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    参考文献: 19-2047; Rev. 3; 2005-09-01
    本页最后一次更新: 2008-07-10



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