Silicon Labs has rolled out a new family of high-precision temperature sensors offering exceptional power efficiency. The Si705x sensors consume only 195 nA (typical average current) when sampled once per second, which minimises self-heating and enables multi-year coin cell battery operation.
Unlike traditional digital temperature sensors, these devices maintain their accuracy across the full operating temperature and voltage ranges, and offer four accuracy levels up to ±0,3°C. They are ideal for HVAC, white goods, computer equipment, asset tracking, cold chain storage, industrial control and medical equipment. AEC-Q100-qualified versions are also available for automotive applications.
Available in a compact 3 x 3 mm DFN package, Si705x sensors feature an industry-standard I²C interface for easy configuration. Each device provides up to 14-bit temperature resolution for high-precision measurement, and their -40°C to +125°C temperature range is suitable for consumer, industrial and automotive applications. With a low 1,9 V minimum power supply voltage, the sensors can be connected directly to a battery without the need for an external voltage regulator.
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