Silicon Labs SI7021 Series, Digital Output Temperature & Humidity Sensor, Surface Mount, Serial-I2C, ±3 %RH, ±0.4 °C,

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RS Stock No.:
169-0089
Mfr. Part No.:
SI7021-A20-GM1
Manufacturer:
Silicon Labs
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Brand

Silicon Labs

Product Type

Temperature & Humidity Sensor

Output Type

Digital

Sub Type

Temperature & Humidity Sensor

Interface Type

Serial-I2C

Accuracy

±3 %RH, ±0.4 °C

Mount Type

Surface

Pin Count

6

Maximum Operating Temperature

85°C

Minimum Operating Temperature

-40°C

Minimum Supply Voltage

1.9V

Maximum Supply Voltage

3.6V

RH Range

0 to 100 %

Package Type

DFN

Height

0.75mm

Width

3 mm

Length

3mm

Series

SI7021

Standards/Approvals

No

Automotive Standard

No

COO (Country of Origin):
PH

Si70xx/Si701x/Si702x Digital Humidity & Temperature Sensors


The Si70xx/Si701x/Si702x series of digital humidity & temperature sensors integrates a humidity sensor, temperature sensor, I2C serial interface, calibration and on-chip signal conditioning in one Compact QFN/DFN CMOS package.

When Air comes into contact with the exposed polymide sensor, moisture in the Air causes a capacitance change in the sensor resulting in the on-chip conditioning converting this to a humidity reading. This is then MADE available to the user over the I2C interface.

Applications include asset and goods tracking, laptops, tablets, PLC and I/O modules, smart phones, thermostats, humidistats, wireless sensing, detection of gas, fire, smoke and water, ventilation and Air conditioning.

Features;

Wide operating voltage range : 1.9 V to 3.6 V

Low power

I2C serial Interface

On-chip heater

Great long term stability

Fully calibrated

Pre-installed protective filter

Temperature & Humidity Sensors, Silicon Laboratories


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