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The Silicon Labs Si7021-A20-GM1 is a highly accurate digital temperature and humidity sensor designed to deliver precise environmental measurements across a wide temperature range of -40°C to +85°C. It features a typical temperature accuracy of ±0.4°C and humidity accuracy of ±3% RH, making it perfect for applications demanding stable and repeatable sensing performance. Built using advanced CMOS technology, this sensor provides low-power operation and high reliability, making it suitable for portable, battery-operated, and embedded systems.
Housed in a compact 6-pin DFN package, the Si7021 integrates both humidity and temperature sensors with signal conditioning, A/D conversion, and a digital interface, all on a single chip. This integrated design reduces board space and simplifies circuit layout, enabling easy implementation in space-constrained systems without sacrificing precision or durability.
With ultra-low power usage and fast response time, the Si7021-A20-GM1 ensures efficient sensing in real-time monitoring systems. Its low-power I²C digital interface allows seamless integration with microcontrollers, reducing overall system energy requirements.
Engineered for versatility, the Silicon Labs Si7021 is used across a broad spectrum of environmental and industrial applications, including:
Its high precision and compact design make it ideal for both commercial products and research instrumentation.
For more information please check the datasheets.
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