Features
• Pressure sensor with potted gel package
• 300 to 1200 hPa absolute pressure range
• Current consumption down to 4 μA
• High overpressure capability: 20x full scale
• Embedded temperature compensation
• 24-bit pressure data output
• 16-bit temperature data output
• ODR from 1 Hz to 75 Hz
• I²C interfaces
• Supply voltage: 1.7 to 3.6 V
• ECOPACK lead-free compliant

Description
The LPS33K is an ultra-compact piezoresistive pressure sensor which functions as a
digital output barometer. The device comprises a sensing element and an IC
interface which communicates through I²C from the sensing element to the
application.
The sensing element, which detects absolute pressure, consists of a suspended
membrane manufactured using a dedicated process developed by ST.
The LPS33K is available in a ceramic LGA package with metal lid. It is guaranteed to
operate over a temperature range extending from -40 °C to +85 °C. The package is
holed to allow external pressure to reach the sensing element. Gel inside the IC
protects the electrical components from harsh environmental conditions.

Applications
• Wearable devices
• Altimeters and barometers for portable devices
• GPS applications
• Weather station equipment
• e-cigarettes