This carrier for ST’s LPS25HB digital barometer measures pressures from 260 mbar to 1260 mbar (26 kPa to 126 kPa) with absolute accuracy down to ±0.2 mbar (0.02 kPa) and typical RMS noise of 0.01 mbar (1 Pa) in high-resolution mode. These pressures can easily be converted to altitudes. The board has a 3.3 V linear regulator and integrated level shifters that allow it to work over an input voltage range of 2.5 V to 5.5 V, and the 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards. The sensor offers I²C and SPI interfaces.

The LPS25HB is drop-in replacement for the earlier LPS25H that offers improved reliability and moisture resistance. It otherwise offers the same performance and presents the same register map, so no design changes are required when moving from the LPS25H to the LPS25HB. Compared to the earlier LPS331AP, the LPS25HB features improved accuracy and reduced noise in the output. The addition of a built-in FIFO (First In, First Out) buffer allows the sensor to store pressure readings for burst transmission, reducing overall power consumption by allowing the host processor to sleep longer between data requests. Alternatively, the FIFO can be configured to perform a running average of pressure readings to further decrease the output noise.

Specifications:

Dimensions: 0.4″ × 0.8″ × 0.1″ (10 mm × 20 mm × 3 mm)
Weight without header pins: 0.5 g (0.02 oz)
Operating voltage: 2.5 V to 5.5 V
Supply current: 2 mA
Output format (I²C/SPI): 24-bit pressure reading (4096 LSb/mbar)
Sensitivity range: 260 mbar to 1260 mbar (26 kPa to 126 kPa)

Documents:

Package Includes:

1 x Pololu 2867 LPS25HB Pressure/Altitude Sensor Carrier with Voltage Regulator

Electrical Specifications
Minimum Operating Voltage	2.5 V
Maximum Operating Voltage	5.5 V
Physical Attributes
Weight	0.5g
Dimensions	0.4″ × 0.8″ × 0.1″

Pololu 2867 LPS25HB Pressure/Altitude Sensor Carrier with Voltage Regulator

Brand: Pololu
Product Code:Pololu-2867-LPS25HB
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Availability:In Stock

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