[资料分享] TI新品推荐-HDC2010 低功耗温湿度数字传感器

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 楼主| xyz549040622 发表于 2017-7-26 18:06 | 显示全部楼层 |阅读模式
描述
The HDC2010 is an integrated humidity and temperature sensor that provides high accuracy        measurements with very low power consumption, in an ultra-compact WLCSP (Wafer Level Chip Scale        Package). The sensing element of the HDC2010 is placed on the bottom part of the device, which makes the HDC2010 more robust against dirt, dust, and other environmental contaminants. The        capacitive-based sensor includes new integrated digital features and a heating element to dissipate        condensation and moisture. The HDC2010 digital features include programmable interrupt thresholds        to provide alerts/system wakeups without requiring a microcontroller to be continuously monitoring        the system. This, combined with programmable sampling intervals, low inherent power consumption,        and support for 1.8V supply voltage, make the HDC2010 well suited for battery-operated        systems.
The HDC2010 provides high accuracy measurement capability for a wide range of        environmental monitoring applications and Internet of Things (IoT) such as smart thermostats, smart        home assistants and wearables. The HDC2010 can also be used to provide critical temperature and        humidity data for cold chain transportation and storage of perishable goods to help ensure products        like food and pharma- ceuticals arrive fresh.
The HDC2010 is factory-calibrated to 0.2°C temperature accuracy and 2% relative humidity        accuracy and includes a heating element to burn away condensation and moisture for increased        reliability. The HDC2010 supports operation from -40°C to 125°C and from 0% to 100% relative        humidity.

特性
  • Relative Humidity Range 0% to 100%
  • Humidity Accuracy ±2%
  • Sleep Current 50nA
  • Average Supply Current (1 measurement        per second)
    • RH only (11 bit) 300nA
    • RH (11 bit) + Temperature (11        bit) 550nA
  • Temperature Range:
    • Operating: –40°C to 85°C
    • Functional: –40°C to        125°C
  • Temperature Accuracy: ±0.2°C typ.
  • Supply Voltage: 1.62 V to 3.6 V
  • Automatic Sampling Rate (5 Hz, 2 Hz, 1 Hz, 0.2        Hz, 0.1 Hz, 1/60 Hz, 1/120 Hz) or On Demand
  • I[size=0.7em]2C        Interface



 楼主| xyz549040622 发表于 2017-7-26 18:07 | 显示全部楼层

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 楼主| xyz549040622 发表于 2017-7-26 18:07 | 显示全部楼层

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comeon201208 发表于 2017-7-26 22:23 | 显示全部楼层
这个主要是精度方面的要求考虑的
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