说明：  Capacitive digital sensor for relative humidity and temperature
(0 to 100 relative humidity range  Supply voltage: 1.7 to 3.6 V  Low power consumption: 2 μA @ 1 Hz ODR  Selectable ODR 1 Hz to 12.5 Hz  High rH sensitivity: 0.004 rH/LSB  Humidity accuracy: ± 4.5 rH, 20 to+80 rH  Temperature accuracy: ± 0.5 °C,15 to+40 °C  Embedded 16-bit ADC  16-bit humidity and temperature output data  SPI and I2C interfaces)