TI HDC1050低功耗高精度温湿度传感器解决方案

TI公司的HDC1050是数字低功耗高精度温湿度传感器,14位测量分辨率,相对湿度精度±3%,温度精度±0.2℃,工作温度–40℃ 到+125℃,工作电压2.7 V到 5.5 V,I2C接口,小型3x3mm封装,主要用在HVAC,智能温度调节器和室内监视器,白色家电,打印机,手持仪表,医疗设备和无线传感器.本文介绍了HDC1050主要特性,框图,典型应用电路,以及星形网络10年电池寿命的温湿度传感器节点参考设计主要特性,系统框图电路图和材料清单.

HDC1050 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor

The HDC1050 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1050 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated. The HDC1050 is functional within the full –40℃ to +125℃ temperature range.

HDC1050主要特性:

Relative Humidity Accuracy ±3% (typical)
Temperature Accuracy ±0.2℃ (typical)
14 Bit Measurement Resolution
Operating Temperature Range: –40℃ to +125℃
110 nA Sleep Mode Current
Average Supply Current:
820 nA @ 1sps, 11 bit RH Measurement
1.2 µA @ 1sps, 11 bit RH and Temperature Measurement
Supply Voltage 2.7 V to 5.5 V
Small 3 mm × 3 mm Device Footprint..

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