BMP280

Digital Pressure Sensor

The BMP280 is a digital pressure sensor from Bosch Sensortec. View the full BMP280 datasheet below including key specifications, absolute maximum ratings.

Manufacturer

Bosch Sensortec

Key Specifications

Parameter	Value
Accuracy	±0.015PSI (±0.1kPa)
Applications	Board Mount
Features	Standby Mode
Features	Standby Mode
Maximum Pressure	290.08PSI (2000kPa)
Maximum Pressure	290.08PSI (2000kPa)
Mounting Type	Surface Mount
Operating Pressure	4.35PSI ~ 15.95PSI (30kPa ~ 110kPa)
Operating Pressure	4.35PSI ~ 15.95PSI (30kPa ~ 110kPa)
Operating Temperature	-40°C ~ 85°C
Output	16b
Output	16b
Output Type	I2C, SPI
Package / Case	8-SMD
Port Style	No Port
Port Style	No Port
Pressure Type	Absolute
Pressure Type	Absolute
Supplier Device Package	8-SMD
Supplier Device Package	8-SMD
Termination Style	SMD (SMT) Tab
Termination Style	SMD (SMT) Tab
Supply Voltage	1.71V ~ 3.6V

Overview

Part: BMP280 — Bosch Sensortec

Type: Digital Pressure Sensor

Description: An absolute barometric digital pressure sensor designed for mobile applications, featuring a pressure range of 300–1100 hPa, I²C and SPI digital interfaces, and a low power consumption of 2.7 μA at 1 Hz sampling rate.

Operating Conditions:

Supply voltage: 1.71–3.6 V (sensor), 1.2–3.6 V (interface)
Operating temperature: -40 to +85 °C
Operating pressure range: 300–1100 hPa
I²C interface speed: up to 3.4 MHz
SPI interface speed: up to 10 MHz

Key Specs:

Relative accuracy pressure (700–900 hPa): ±0.12 hPa
Absolute accuracy pressure (300–1100 hPa, 0–65 °C): ±1.0 hPa
Offset temperature coefficient (900 hPa, 25–40 °C): ±1.5 Pa/K
Resolution of output data (pressure): 0.0016 hPa
Noise in pressure (full bandwidth, ultra high resolution): 1.3 Pa
Absolute accuracy temperature (0–65 °C): ±1.0 °C
Supply current (1 Hz forced mode, P&T, lowest power): 2.8 μA (typ)
Sleep current (25 °C): 0.1 μA (typ)

Features:

High EMC robustness, high accuracy and linearity, long term stability
Extremely compact 8-pin metal-lid LGA package (2.0 × 2.5 mm², 0.95 mm height)
Low power consumption for battery-driven devices
Supports new filter modes
Measurement modes: P&T, forced or periodic
Measurement rate: up to 157 Hz
RoHS compliant, halogen-free

Applications:

Enhancement of GPS navigation (e.g., time-to-first-fix improvement, dead-reckoning, slope detection)
Indoor navigation (floor detection, elevator detection)
Outdoor navigation, leisure and sports applications
Weather forecast
Vertical velocity indication (e.g., rise/sink speed)

Package:

8-pin LGA metal-lid (2.0 × 2.5 mm², height: 0.95 mm)

Applications

Enhancement of GPS navigation
(e.g. time-to-first-fix improvement, dead-reckoning, slope detection)
Indoor navigation (floor detection, elevator detection)
Outdoor navigation, leisure and sports applications
Weather forecast
Vertical velocity indication (e.g. rise/sink speed)

Absolute Maximum Ratings

The absolute maximum ratings are provided in Table 3.

Table 3: Absolute maximum ratings

Parameter	Condition	Min	Max	Unit
Voltage at any supply pin	V DD and V DDIO Pin	-0.3	4.25	V
Voltage at any interface pin		-0.3	V DDIO + 0.3	V
Storage Temperature	≤ 65% rel. H.	-45	+85	°C
Pressure		0	20 000	hPa
	HBM, at any Pin		±2	kV
ESD	CDM		±500	V
	Machine model		±200	V

Table 3: Absolute maximum ratings

Typical Application

Enhancement of GPS navigation
(e.g. time-to-first-fix improvement, dead-reckoning, slope detection)
Indoor navigation (floor detection, elevator detection)
Outdoor navigation, leisure and sports applications
Weather forecast
Vertical velocity indication (e.g. rise/sink speed)

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