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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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SI7054-A20 Datenblatt(PDF) 1 Page - Silicon Laboratories |
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SI7054-A20 Datenblatt(HTML) 1 Page - Silicon Laboratories |
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1 / 26 page  Rev. 1.0 2/15 Copyright © 2015 by Silicon Laboratories Si7050/3/4/5-A20 Si7050/3/4/5-A20 I 2C TEMPERATURE S ENSORS Features Applications Description The Si705x Digital Temperature Sensors offer industry-leading low power consumption and high accuracy across the entire operating voltage and temperature range. These monolithic CMOS ICs feature a band-gap temperature sensor element, an analog-to-digital converter with up to 14- bit resolution, signal processing, calibration data, and an I2C interface. The patented use of novel signal processing and analog design enables the sensors to maintain their accuracy over a wide temperature and voltage range, while consuming very little current. The 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 Si705x devices are available in a 3x3 mm DFN package, and the industry-standard I2C interface can operate at up to 400 kHz. Requiring just 195 nA of average current when sampled once per second, the Si705x can operate for several years with just a single coin cell battery. The Si705x devices offer an accurate, low-power, factory-calibrated digital solution ideal for measuring temperature in applications ranging from HVAC/R and asset tracking to industrial and consumer platforms. High Accuracy Temperature Sensors Si7053: ±0.3 °C (max) Si7054: ±0.4 °C (max) Si7055: ±0.5 °C (max) Si7050: ±1.0 °C (max) Wide operating voltage (1.9 to 3.6 V) –40 to +125 °C operating range Accuracy maintained over the entire operating temperature and voltage range Low Power Consumption 195 nA average current @ 1 Hz sample rate 14-bit resolution Factory calibrated I2C interface 3x3 mm DFN package HVAC/R Thermostats White goods Computer equipment Portable consumer devices Asset tracking Cold chain storage Battery protection Industrial controls Medical equipment Patent Protected. Patents pending Ordering Information: See page 19. Pin Assignments Top View 1 DNC 2 3 6 5 4 VDD SCL SDA GND DNC |
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