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Sensirion SHT3x-DIS湿度和温度传感器

Sensirion SHT3x-DIS湿度和温度传感器基于CMOSens®传感器芯片，更加智能、可靠，精度更高。SHT3x-DIS具有增强的信号处理能力、两个独特的用户可选I2C地址，通信速度高达1MHz。SHT35-DIS的典型相对湿度 (RH) 精度为±1.5%，典型温度精度为±0.2°C。SHT3x-DIS具有2.5mm x 2.5mm x 0.9mm（长x宽x高）占位面积，电源电压范围为2.4V至5.5V。

特性

  • 完全校准、线性化和温度补偿的数字输出
  • I2C接口，通信速度高达1MHz，具有两个用户可选地址
  • SHT35的典型精度为+/-1.5% RH和+/-0.1°C
  • 启动和测量速度极快
  • 2.15V到5.5V的宽电源电压范围
  • 小型8引脚DFN封装

应用

  • Automotive
  • Medical
  • Consumer
  • Industrial

规范

  • Humidity sensor
    • Accuracy tolerance
      • ±2%RH for the SHT30
      • ±2%RH for the SHT31
      • ±1.5%RH for the SHT35
    • 0.08%RH to 0.21%RH repeatability range
    • 0.01%RH typical resolution
    • ±0.8%RH hysteresis at +25°C
    • 0 to 100%RH specified range
    • <0.25%RH/yr long-term drift
  • Temperature sensor
    • Accuracy tolerance
      • ±0.2%RH typical for the SHT30 from 0 to +65°C
      • ±0.2%RH typical for the SHT31 from 0 to +90°C
      • ±0.1%RH typical for the SHT35 from +20°C to +60°C
    • +0.04°C to +0.15°C repeatability range
    • 0.01°C typical resolution
    • -40°C to +125°C specified range
    • >2s response time
    • <+0.03°C/yr maximum long-term drift
  • Electrical
    • 2.15V to 5.5V supply voltage range
    • 1.8V to 2.15V power-up/-down level range
    • 20V/ms maximum slew rate change of the supply voltage
    • Supply current
      • 2.0µA to 6.0µA maximum idle state in single-shot mode
      • 45µA typical idle state in periodic data acquisition mode
      • 1500µA maximum measurement, 600µA typical
      • 1.7µA typical average
    • 3.6mW to 33mW heater power range
  • Timing
    • Power-up time
      • 1ms maximum within the 2.4V to 5.5V range, 0.5ms typical
      • 1.5ms maximum within the 2.15V to <2.4V range, 0.5ms typical
    • 1.5ms maximum soft reset time, 0.5ms typical
    • 1µs typical duration of the reset pulse
    • Measurement duration
      • 4ms to 4.5ms maximum for low repeatability, 2.5ms typical
      • 6ms to 5.5ms maximum for medium repeatability, 4.5ms typical
      • 15ms to 15.5ms maximum for high repeatability, 12.5ms typical
  • Absolute maximum
    • -0.3V to 6V supply voltage range
    • ±100mA input current on any pin
    • Temperature ranges
      • -40°C to +125°C operating
      • -40°C to +150°C storage
    • ESD
      • 4kV human body model (HBM)
      • 750V charge device model (CDM)
  • Communication timing
    • 0 to 1000kHz SCL clock frequency range
    • 0.24µs minimum hold time START condition
    • SCL clock
      • 0.53µs minimum LOW period
      • 0.26µs minimum HIGH period
    • SDA time
      • 0 to 250ns hold time
      • 100ns minimum set-up time
      • 0.9µs maximum valid time
    • 300ns maximum SCL/SDA rise/fall time
    • 0.26µs minimum set-up time for a repeated START or STOP condition
    • 400pF maximum capacitive load on the bus line
    • 0.4V maximum low-level output voltage

框图

框图 - Sensirion SHT3x-DIS湿度和温度传感器

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发布日期: 2016-10-12 | 更新日期: 2024-08-21