申矽凌CHT8305C温湿度传感器与市面主流温湿度传感器兼容，采用DFN3*3-6封装，温度精度±0.5℃ over 0℃ to 50℃ ，湿度±3.0%RH over 20 to 80%RH ，搭配BLE芯片，PHY6202。有兴趣的朋友可以一起交流探讨。徐先生 13424403436   jack.xu@cyberlink.net.cn  
CHT8305C主要特点：
◆  VCC: 2.5V to 5.5V
◆  Average Current Consumption (each T orHmeasurement per second):
    1.5uA(Typ.), 3.0uA(Max.)
◆  Shutdown Current: 0.15uA(Typ.),0.3uA(Max.)
◆  Temperature Accuracy: ±0.5oC over 0oC to 50oC      
◆  Humidity Accuracy:±3.0%RH over 20 to 80%RH     
◆  Conversion time (14-bit) for T or H: 5.5ms(Typ.)
◆  14-bit ADC for Temperature and Humidity
◆  Compatible with I2C and 2-wire
◆  Programmablehigh-limit of Temperature/humidity
◆  Generate 4 different slave address bysetting AD0 pin
◆  Protection Cover is available option

PHY6202主要特点：
1）ARM® Cortex™-M0 32-bit processor
2） Memory 512KB/2MB in-system flash memory 128KB ROM 138KB SRAM, all programmable retention in sleep mode 8-channel DMA•
3） 33/19 general purpose I/O pins
4） Power consumption 0.7μA @ OFF Mode (IO wake up only) 2μA @ Sleep Mode with 32KHz RTC Receiver: 6.7mA @sensitivity level Transmitter: 6.7mA @0dBm TX power
5） Sensitivity:-97dBm@BLE 1Mbps data rate-103dBm@BLE 125Kbps data rate