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SI7022 Datasheet HUMIDITY/TEMPERATURE SENSOR

Manufacturer: Silicon Laboratories

Download the SI7022 datasheet PDF. This datasheet also includes the SI7022-A20 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (SI7022-A20-SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

General Description

The Si7022 Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, an analog-to-digital converter, signal processing, calibration data, and a PWM output.

The PWM output may be filtered to produce an analog voltage output.

The patented use of industry-standard, low-K polymeric dielectrics for sensing humidity enables the construction of low-power, monolithic CMOS Sensor ICs with low drift and hysteresis, and excellent long term stability.

Overview

Si7022-A20 HUMIDITY/TEMPERATURE SENSOR WITH PWM OUTPUT.

Key Features

  • Precision Relative Humidity Sensor.
  • Factory-calibrated.
  •  ± 4% RH (max), 0.
  • 80% RH.
  • PWM Output.
  • High Accuracy Temperature Sensor.
  • 3x3 mm DFN Package.
  • ±0.4 °C (max),.
  • 10 to 85 °C.
  • Excellent long term stability.
  • 0 to 100% RH operating range.
  • Optional factory-installed cover.
  • 40 to +125 °C operating range.
  • Low-profile.
  • Wide operating voltage.
  • Protection during reflow (1.9 to 3.6 V).
  • Excl.

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