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SHT45-AD1B-R2 - Sensirion

Description: 4 4th Generation, High-Accuracy, Ultra-Low-Power, 16-bit Relative Humidity and Temperature Sensor

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SHT45-AD1B-R2 - Sensirion - PCB symbol
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SHT45-AD1B-R2 - Sensirion PCB footprint - Other - Other - SHT45-AD1B-R2-1
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SHT45-AD1B-R2 - Sensirion - 3D model - Other - SHT45-AD1B-R2-1
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SHT45-AD1B-R2 Details

  • Manufacturer Part Number:

    SHT45-AD1B-R2

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-4

  • Country Of Origin:

    Switzerland

  • ECCN Code:

    EAR99

  • Manufacturer:

    Sensirion

  • Accuracy-Max (%):

    1%

  • Body Height:

    0.54 mm

  • Body Length or Diameter:

    1.5 mm

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    4

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    DIGITAL

  • Output Type:

    DIGITAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    SOLCC4,.06,32

  • Package Shape/Style:

    SQUARE

  • Sensors/Transducers Type:

    HUMIDITY AND TEMPERATURE SENSOR

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    1.08 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

SHT45-AD1B-R2 Frequently Asked Questions (FAQs)

  • Sensirion recommends a reflow soldering profile with a peak temperature of 260°C, a dwell time above 220°C of 30-60 seconds, and a total process time of 3-5 minutes.
  • To ensure accurate measurements, it is essential to handle the digital output correctly. This includes using a pull-up resistor on the SCL line, using a clock frequency between 10 kHz and 400 kHz, and implementing a protocol to handle errors and retries.
  • Sensirion recommends storing the SHT45-AD1B-R2 in a dry, cool place with a relative humidity below 60% and a temperature range of -20°C to 70°C.
  • The SHT45-AD1B-R2 is calibrated during the manufacturing process, and no additional calibration is required. However, it is recommended to perform a system-level calibration to compensate for any system-specific errors.
  • The maximum cable length for the I2C interface depends on the specific application and the capacitance of the cable. As a general guideline, Sensirion recommends keeping the cable length below 10 meters to ensure reliable communication.

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SHT45-AD1B-R2 Overview

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