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STMicroelectronics ILPS28QSW Dual Absolute Digital Output Barometer is an ultra-compact piezoresistive absolute pressure sensor that functions as a digital output barometer. The device features a dual full-scale up to user selectable 4060hPa. The device incorporates a sensing element and an IC interface communicating over the I2C or MIPI I3CSM interface from the sensing element to the application. The ILPS28QSW delivers lower power consumption, achieving lower pressure noise than its predecessor.
The STM ILPS28QSW is housed in a ceramic LGA package with a metal lid and is guaranteed to operate over a temperature range extending from -40°C to +105°C. The package is holed to permit external pressure to reach the sensing element. The gel inside the IC protects the electrical components from water, and the metal cap is, optionally, connected to the ground or left floating electrically in the application PCB layout. The connection of the metal cap is determined according to the customer’s target application.
