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SILICON LABS SI7021-A20-GM1R
Humidity/Temperature Sensor, 0% to 100% RH/-40°C to 85°C Range, I2C, Digital, 1.9V to 3.6V, DFN-6
- Manufacturer:
- SILICON LABS SILICON LABS
- Manufacturer Part No:
- SI7021-A20-GM1R
- Order Code:
- 3105967
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- Product Range
- -
- Technical Datasheet:
- SI7021-A20-GM1R Datasheet
- ECAD / MCAD
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Product Overview
SI7021-A20-GM1R is an I²C humidity and temperature sensor. 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. It offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms. Applications include 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.
- 1.9 to 3.6V operating voltage, factory-calibrated
- I²C interface, integrated on-chip heater
- Excellent long term stability, 150µA typical active current
- Conversion time is 10ms typical at (12-bit RH)
- SCLK frequency is 400KHz maximum at (TA = -40 to +125°C)
- Suppressed pulse width is 50ns minimum at (TA = -40 to +125°C)
- Repeatability/noise is 0.025%RH RMS typical at ( 12-bit resolution)
- Response time is 18s typical at (1m/s airflow, with cover)
- Temperature range from -40°C to +125°C, DFN6 package
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product Information
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- :
- 0% to 100% Relative Humidity
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- ± 2% RH
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- ± 0.3°C
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- 18s
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- 5.1s
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- I2C
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- Digital
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- DFN
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- 6Pins
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- -40°C
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- 85°C
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- 1.9V
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- 3.6V
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- -
- :
- MSL 2 - 1 year
Technical Documents (3)
Packaging type
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Extra stock is available upon order to the Supplier Lead Time which is approximately 11/10/25
1,608 deliver in 3-4 business days from our UK warehouse
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