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SI7015-A20 Arkusz danych(PDF) 1 Page - Silicon Laboratories |
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SI7015-A20 Arkusz danych(HTML) 1 Page - Silicon Laboratories |
1 / 39 page Rev. 1.0 1/15 Copyright © 2015 by Silicon Laboratories Si7015-A20 Si7015-A20 D IGITAL I 2C H UMIDITY AND TEMPERATURE S ENSOR Features Applications Description The Si7015 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. Each unit is 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 Si7015 can be used as a drop-in upgrade for the Si7005 with only minor software changes because the register sets are the same, and the 4x4 mm QFN package is footprint-compatible with that of the Si7005. The device is compatible with standard SMT assembly processes, such as reflow. The optional factory-installed cover offers a low profile and convenient means of protecting the sensor during assembly (e.g., reflow soldering) and throughout the life of the product, excluding liquids (hydrophobic/oleophobic) and particulates. The Si7015 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. Precision Relative Humidity Sensor ± 4.5% RH (max), 0–80% RH High-Accuracy Temperature Sensor ±1 ºC (max), –10 to 85 °C 0 to 100% RH operating range 0 to +70 °C operating range (FM) –40 to +85 °C operating range (GM) Low Voltage Operation (1.9 to 3.6 V) Low Power Consumption 150 µA active current 60 nA standby current Drop-In Upgrade for Si7005 Factory-calibrated I2C Interface Integrated on-chip heater 4x4 mm QFN package Excellent long term stability Optional factory-installed cover Low-profile Protection during reflow Excludes liquids and particulates HVAC/R Thermostats/humidistats Instrumentation White goods Micro-environments/data centers Industrial controls Weather stations Asset tracking and storage Patent protected; patents pending Ordering Information See page 31. Pin Assignments 1 6 5 4 3 2 18 13 14 15 16 17 GND DNC DNC SDA SCL DNC DNC DNC CS DNC DNC DNC |
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