Figure 16: Pin-out top and bot…

Figure 16: Pin-out top and bot…

Bosch SensortecGermany

BME280

ActiveHumidity, Moisture Sensors2.5 mm x 2.5 mm x 0.93 mm metal lid LGA

SENSOR PRESSURE HUMIDITY TEMP

Bosch Sensortec BME280 is a combined digital humidity, pressure, and temperature sensor in a 2.5x2.5x0.93mm metal-lid LGA package, supporting I²C and SPI interfaces, with a supply voltage of 1.71-3.6V, RoHS and halogen-free compliant.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

25 items
ParameterValue and test conditionsSource
Package2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
Operating temperature-40…+85 °C
RoHSRoHS compliant
Halogen-freehalogen-free
Supply Voltage Internal DomainsMin 1.71 V, Typ 1.8 V, Max 3.6 V (ripple max. 50 mVpp)
Supply Voltage I/O DomainMin 1.2 V, Typ 1.8 V, Max 3.6 V
Sleep currentTyp 0.1 μA, Max 0.3 μA
Standby currentTyp 0.2 μA, Max 0.5 μA
Current during humidity measurementTyp 340 μA (Max value at 85 °C)
Current during pressure measurementTyp 714 μA (Max value at -40 °C)
Current during temperature measurementTyp 350 μA (Max value at 85 °C)
Start-up timeMax 2 ms (Time to first communication after both VDD > 1.58 V and VDDIO > 0.65 V)
Response time1 s
Accuracy tolerance±3 % relative humidity
Hysteresis±1% relative humidity
RMS Noise0.2 Pa, equiv. to 1.7 cm
Offset temperature coefficient±1.5 Pa/K, equiv. to ±12.6 cm at 1 °C temperature change
Absolute maximum ratings voltageMin -0.3 V, Max 4.25 V (at any supply pin)
Storage temperatureMin -45 °C, Max +85 °C (≤ 65% RH)
ESD HBMMax ±2 kV (at any pin)
ESD CDMMax ±500 V
ESD Machine modelMax ±200 V
Digital interfaceI²C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
Humidity range0…100 % rel. humidity
Pressure range300…1100 hPa
All parameters (16)ExpandCollapse
Power
Voltage - Supply1.71V ~ 3.6V
AC and DC characteristics
Accuracy±3%
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C~85°C
PackageTape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / Case8-VFLGA
Supplier Device Package8-LGA (2.5x2.5)
Other
Humidity Range0 ~ 100% RH
MfrBosch Sensortec
Output16b
Output TypeI²C, SPI
Product StatusActive
Response Time1 s
Sensitivity-
Sensor TypeHumidity, Pressure, Temperature
Series-

Pinout and package

Figure 16: Pin-out top and bot…
Figure 16: Pin-out top and bot…
Package: 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
PinNameFunctionSource
1GND, Ground
2CSB, Chip select
3SDI, Serial data input
4SCK, Serial clock input
5SDO, Serial data output
6VDDIO, Digital / Interface supply
7GND, Ground
8VDD, Analog supply

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