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SI7020-A10

Silicon Laboratories
Part Number SI7020-A10
Manufacturer Silicon Laboratories
Description I2C HUMIDITY AND TEMPERATURE SENSOR
Published Mar 13, 2014
Detailed Description Si7020-A10 I2C HUMIDITY AND TEMPERATURE SENSOR Features  Precision Relative Humidity Sensor  Factory-calibrated ...
Datasheet PDF File SI7020-A10 PDF File

SI7020-A10
SI7020-A10

Overview
Si7020-A10 I2C HUMIDITY AND TEMPERATURE SENSOR Features  Precision Relative Humidity Sensor  Factory-calibrated  ± 4% RH (max), 0–80% RH  I2C Interface  High Accuracy Temperature Sensor  Integrated on-chip heater ±0.
4 °C (max), –10 to 85 °C  3x3 mm DFN Package  0 to 100% RH operating range  Excellent long term stability  Up to –40 to +125 °C operating  Optional factory-installed cover range Low-profile  Wide operating voltage (1.
9 to 3.
6 V)  Low Power Consumption Protection during reflow Excludes liquids and particulates 150 µA active current 60 nA standby current Applications  HVAC/R  Thermostats/humidistats  Respiratory therapy  White goods  Indoor weather stations  Micro-environments/data centers  Automotive climate control and defogging  Asset and goods tracking  Mobile phones and tablets Description The Si7020 I2C 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 an I2C Interface.
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.
The humidity and temperature sensors are factory-calibrated and the calibration data is stored in the on-chip non-volatile memory.
This ensures that the sensors are fully interchangeable, with no recalibration or software changes required.
The Si7020 is available in a 3x3 mm DFN package and is reflow solderable.
It can be used as a hardware- and software-compatible drop-in upgrade for existing RH/ temperature sensors in 3x3 mm DFN-6 packages, featuring precision sensing over a wider range and lower power consumption.
The optional factory-installed cover offers a low profile, convenient means of protecting the sensor during assembly (e.
g.
, reflow soldering) and throughout the life of ...


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