Specifications:
Supply Voltage: 1.8 - 3,6V
Current consumption 1.8 uA @ 1 Hz humidity and temperature
2.8 uA @ 1 Hz pressure and temperature
3.6 uA @ 1 Hz humidity, pressure and temperature
0.1 uA in sleep mode
Interface: I2C (up to 3.4MHz), SPI (up to 10 MHz)
Operational Range:
Temperature: -40 to +85°C
Humidity: 0-100%
Pressure: 300-1100 hPa
Resolution:
Temperature: 0.01°C
Humidity: 0.008%
Pressure: 0.18Pa
Accuracy:
Temperature: +-1°C
Humidity: +-3%
Pressure: +-1Pa
I2C address
SDO LOW : 0x76
SDO HIGH: 0x77
ParameterTechnical data
Package dimensions8-Pin LGA with metal
2.5 x 2.5 x 0.93 mm³
Operation range (full accuracy)
Pressure: 300...1100 hPa
Temperature: -40…85°C
Humidity: 0-100%
Supply voltage VDDIO
Supply voltage VDD1.2 ... 3.6 V
1.71 ... 3.6 V
InterfaceI²C and SPI
Average current consumption
(1Hz data refresh rate)1.8 μA @ 1 Hz (H, T)
2.8 μA @ 1 Hz (P, T)
3.6 μA @ 1 Hz (H, P, T)
T=temperature
Average current consumption in sleep mode0.1 μA
Humidity sensor
Response time (τ63%)
Accuracy tolerance
Hysteresis
1 s
± 3 % relative humidity
≤ 2 % relative humidity
Pressure sensor
RMS Noise
Sensitivity Error
Temperature coefficient offset
0.2 Pa (equiv. to 1.7 cm)
± 0.25 % (equiv. to 1 m at 400 m height change)
±1.5 Pa/K (equiv. to ±12.6 cm at 1°C temperature change)
Pinout:
VCC - Supply voltage 3.3 V
GND - Ground
SCL - Clock signal I2C / SPI
SDA - Data line I2C / MOSI in SPI mode
CSB - Chip Select
SD0 - MISO in SPI mode