LPS22DFTR

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LPS22DFTR

+BOM

SENSOR 18.27PSIA 24BIT 10HLGA

  • ManufacturerSTMicroelectronics

  • Mfr. Part #LPS22DFTR

  • In Stock7249

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Specifications

Attribute Value
PartStatus Active
PressureType Absolute
OperatingPressure 3.77PSI ~ 18.27PSI (26kPa ~ 126kPa)
OutputType I2C, SPI
Output 24 b
Accuracy ±0.007PSI (±0.05kPa)
Voltage-Supply 1.7V ~ 3.6V
PortStyle No Port
Features Temperature Compensated
TerminationStyle SMD (SMT) Tab
MaximumPressure 290PSI (2000kPa)
OperatingTemperature -40°C ~ 85°C
Package/Case 10-WFLGA
SupplierDevicePackage 10-HLGA (2.0x2.0)
BaseProductNumber LPS22
Applications Board Mount
MountingType Surface Mount

Overview

Description

The LPS22DFTR is a high-performance, ultra-compact digital barometer from STMicroelectronics. It is designed to accurately measure atmospheric pressure, featuring an embedded 24-bit ADC for precise output. With a pressure range of 260 to 1260 hPa and an accuracy of ±0.5 hPa, the device is suitable for a variety of applications, including weather monitoring, altimeters in smartphones, and other portable electronics.
The LPS22DFTR is known for its low power consumption, making it ideal for battery-powered devices. It supports both I²C and SPI interfaces, providing flexibility in integration with different microcontrollers. The sensor is housed in a small, 2x2x0.73 mm package, allowing it to be easily incorporated into space-constrained designs.
Key features include high resolution, temperature compensation, and a robust design that can withstand harsh environmental conditions. Additionally, the LPS22DFTR includes FIFO memory for efficient data management and is compatible with standard operating systems, enhancing its ease of use for developers. Its advanced capabilities make it a versatile choice for precise pressure sensing needs.

Equivalent

The LPS22DFTR is a MEMS pressure sensor. Equivalent products include the Bosch BMP390, Infineon DPS310, and the TE Connectivity MS5607. Each of these sensors offers similar functionality in terms of pressure and temperature measurement, designed for applications like weather stations, altimeters, and smartphones. When selecting an alternative, ensure compatibility in terms of package size, power consumption, and interface type.

Features

The LPS22DFTR is a compact barometric pressure sensor with high precision and low power consumption, designed for a variety of applications. Key features include:
1. High Accuracy: It offers pressure measurements with high precision, typically within ±1 hPa, making it suitable for altimetry and weather monitoring.
2. Wide Pressure Range: The sensor operates over a pressure range of 260 to 1260 hPa.
3. Low Power Consumption: It supports power-efficient operation, ideal for battery-powered devices.
4. Temperature Sensor: Includes an integrated temperature sensor for enhanced environmental monitoring.
5. Digital Output: Provides data through I²C and SPI interfaces, making it easy to integrate with microcontrollers.
6. Embedded FIFO: Features a 128-slot FIFO buffer, which reduces the host processor's workload and power consumption.
7. Robust Design: Operates in a wide temperature range, from -40°C to +85°C, suitable for various environmental conditions.
8. Compact Size: Its small form factor makes it suitable for space-constrained applications.
These features make the LPS22DFTR ideal for applications such as drones, smartphones, and smartwatches.

Pinout

The LPS22DFTR is a MEMS absolute pressure sensor from STMicroelectronics, used for applications like weather monitoring and altitude detection. It typically comes in a small 10-pin LGA package. The function of each pin is as follows:
1. VDD: Power supply voltage for the sensor.
2. GND: Ground connection.
3. SDA (SDI/SDO): Serial data for I²C interface or data input/output for SPI.
4. SCL (SPC): Serial clock for I²C interface or clock input for SPI.
5. CS: Chip select for SPI communication; active low.
6. INT_DRDY: Interrupt/Data Ready pin, indicating when new data is available.
7-10. NC or reserved: Typically not connected or reserved for future use.
The LPS22DFTR operates over a wide voltage range and provides high-resolution pressure and temperature outputs via I²C or SPI interfaces. The sensor is optimized for low power consumption, making it suitable for battery-powered devices.

Manufacturer

The LPS22DFTR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. It operates in various sectors, including automotive, industrial, personal electronics, communications equipment, and more. The company is known for its innovation in sensor technology, microcontrollers, and power management systems, among other areas.

Application

The LPS22DFTR is a high-performance, ultra-compact barometric pressure sensor commonly used in several applications. It is ideal for weather monitoring systems, enabling accurate atmospheric pressure readings. In consumer electronics, it enhances smartphone and tablet functionality by supporting altitude-based features and navigation. Wearable devices use it for fitness tracking, offering insights into elevation changes during activities like hiking or climbing. Additionally, it finds applications in drones and other unmanned aerial vehicles for precise altitude control and stabilization. The sensor's low power consumption also makes it suitable for IoT devices, ensuring efficient environmental sensing in smart home systems and industrial applications.

Package

The LPS22DFTR is a barometric pressure sensor from STMicroelectronics, provided in a small, 10-lead LGA (Land Grid Array) package. It is designed for high-performance applications with ultra-low power consumption, making it suitable for mobile and wearable devices. The compact LGA package facilitates easy integration into various electronic products.

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