LPS33KTR STMicroelectronics

LPS33K Datasheet MEMS pressure sensor: 300-1200 hPa absolute digital output barometer with potted gel package Features Pressure sensor with potted gel package 300 to 1200 hPa absolute pressure range Current consumption down to 4 A 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 IC interfaces Supply voltage: 1.7 to 3.6 V ECOPACK lead-free compliant Applications Wearable devices Altimeters and barometers for portable devices GPS applications Weather station equipment e-cigarettes Product status link Description LPS33K 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 Product summary interface which communicates through IC from the sensing element to the application. Order code LPS33KTR LPS33K The sensing element, which detects absolute pressure, consists of a suspended Temp. -40 to +85 membrane manufactured using a dedicated process developed by ST. range C The LPS33K is available in a ceramic LGA package with metal lid. It is guaranteed to CCLGA-4L Package operate over a temperature range extending from -40 C to +85 C. The package is 3.3 x 3.3 x (max) 2.9 mm holed to allow external pressure to reach the sensing element. Gel inside the IC Tape and protects the electrical components from harsh environmental conditions. Packing Tray reel DS12817 - Rev 3 - May 2020 www.st.com For further information contact your local STMicroelectronics sales office.LPS33K Block diagram and pin description 1 Block diagram and pin description Figure 1. Block diagram p 2 I C MUX Temperature Sensing sensor element Voltage and Clock and timing current bias Sensor bias Figure 2. Pin connections (bottom view) 4 1 3 2 Table 1. Pin description Pin number Pin name Function 1 GND 0 V supply 2 VDD Power supply 3 SCL IC serial clock 4 SDA IC serial data DS12817 - Rev 3 page 2/31 Low noise analog front end ADC + digital filter DSP for Temperature Compensation