Overview
The LPS33HWTR is an ultra-compact piezoresistive pressure sensor produced by STMicroelectronics. This device functions as a digital output barometer and is designed with a water-resistant package, making it suitable for a variety of applications where environmental robustness is crucial. The sensor comprises a sensing element and an IC interface that communicates through I2C or SPI protocols. It is available in a ceramic LGA package with a metal lid, ensuring high reliability and durability.
Key Specifications
| Parameter | Value |
|---|---|
| Pressure Type | Absolute |
| Operating Pressure Range | 26 kPa to 126 kPa (260 hPa to 1260 hPa) |
| Supply Voltage Range | 1.7 V to 3.6 V |
| No. of Pins | 10 Pins |
| Operating Temperature Range | -40°C to 85°C |
| Current Consumption | Down to 3 μA |
| Pressure Data Output | 24-bit |
| Temperature Data Output | 16-bit |
| Output Data Rate (ODR) | 1 Hz to 75 Hz |
| Communication Interfaces | SPI and I2C |
| Package Type | Ceramic LGA with metal lid |
Key Features
- Ultra-compact design with a water-resistant package, making it suitable for harsh environments.
- High overpressure capability: up to 20 times the full scale.
- Embedded temperature compensation for accurate readings.
- Low current consumption down to 3 μA, ideal for battery-powered devices.
- 24-bit pressure data output and 16-bit temperature data output for high precision.
- Flexible output data rate (ODR) from 1 Hz to 75 Hz.
- SPI and I2C communication interfaces for easy integration.
- Embedded FIFO and interrupt functions for data-ready, FIFO flags, and pressure thresholds.
Applications
The LPS33HWTR pressure sensor is versatile and can be used in a variety of applications, including:
- Consumer electronics: smartphones, tablets, and wearables.
- Industrial automation: pressure monitoring in industrial processes.
- Aerospace and defense: altitude and pressure sensing in aircraft and drones.
- Healthcare: medical devices requiring precise pressure measurements.
- Automotive: tire pressure monitoring systems and other vehicle applications.
Q & A
- What is the operating pressure range of the LPS33HWTR?
The operating pressure range is from 26 kPa to 126 kPa (260 hPa to 1260 hPa).
- What are the communication interfaces available on the LPS33HWTR?
The sensor supports both SPI and I2C communication interfaces.
- What is the current consumption of the LPS33HWTR?
The current consumption can be as low as 3 μA.
- What is the temperature range for the LPS33HWTR?
The operating temperature range is from -40°C to 85°C.
- Does the LPS33HWTR have embedded temperature compensation?
- What is the resolution of the pressure data output?
- Does the LPS33HWTR support interrupt functions?
- What is the package type of the LPS33HWTR?
- Is the LPS33HWTR RoHS compliant?
- What are some common applications of the LPS33HWTR?
