MPL3115A2

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MPL3115A2

+Nomenclature

SENSOR 15.95PSIA 24BIT 8LGA

  • FabricantNXP USA Inc.

  • Pièce fabricant #MPL3115A2

  • En stock1558

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Spécifications

Attribut Valeur
Part Status Obsolete
Base Product Number MPL31
Applications Board Mount
Pressure Type Absolute
Operating Pressure 7.25PSI ~ 15.95PSI (50kPa ~ 110kPa)
Output Type I2C
Output 24 b
Accuracy ±0.058PSI (±0.4kPa)
Voltage - Supply 1.95V ~ 3.6V
Port Style No Port
Features Temperature Compensated
Termination Style SMD (SMT) Tab
Maximum Pressure 72.52PSI (500kPa)
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-TLGA
Supplier Device Package 8-LGA (3x5)
Packaging Tray

Présentation

Description

The MPL3115A2 is a high-precision, low-power digital barometric pressure sensor with altimeter functionality, developed by NXP Semiconductors. It integrates a MEMS pressure sensor with a high-resolution ADC and a microcontroller, allowing it to provide accurate pressure and altitude data. The sensor operates over a wide pressure range from 20 kPa to 110 kPa, making it suitable for applications in various altitudes and environments.
The MPL3115A2 communicates via an I2C interface, which makes it easy to integrate into microcontroller-based projects. It offers pressure resolution of 1 Pa and altitude resolution of 0.3 meters, making it ideal for applications like weather monitoring, GPS enhancement, and indoor navigation. The sensor also includes a temperature sensor for temperature compensation and additional environmental data.
With features such as low power consumption, programmable event interrupts, and a small form factor, the MPL3115A2 is suitable for portable devices, drones, and other battery-operated applications where size and energy efficiency are critical.

Equivalent

The MPL3115A2 is a digital barometric pressure sensor with an I2C interface. Equivalent products include the Bosch BMP280, Bosch BME280, TE Connectivity MS5607, and the LPS22HB from STMicroelectronics. These sensors also offer barometric pressure measurement capabilities and typically support similar interfaces like I2C or SPI, making them suitable alternatives for applications requiring atmospheric pressure and altitude data. Always check specific datasheets for feature compatibility and specifications.

Features

The MPL3115A2 is a compact, low-power digital pressure sensor offering precise pressure, altitude, and temperature measurements. Key features include:
1. Pressure Sensing: Measures pressure ranging from 50 to 110 kPa with a resolution of 1.5 Pa, enabling accurate altitude calculations.
2. Altitude Measurement: Provides high-resolution altitude data with a resolution of 30 cm, suitable for GPS enhancement and other applications.
3. Temperature Sensing: Includes an integrated temperature sensor with a range from -40°C to +85°C and a resolution of 0.1°C.
4. Low Power Consumption: Designed for battery-powered applications, it supports low-power modes to conserve energy.
5. I2C Interface: Communicates via the I2C interface, allowing easy integration with microcontrollers and other digital devices.
6. Advanced Data Features: Offers programmable event-driven data acquisition with minimum, maximum, and target thresholds for pressure, altitude, and temperature.
7. Embedded FIFO: Features a 32-sample FIFO buffer to store data, reducing the need for frequent processor intervention.
8. Calibration: Requires minimal calibration and maintains stability over time.
These features make it ideal for applications in smartphones, GPS, weather stations, and wearable devices.

Pinout

The MPL3115A2 is a digital barometric pressure sensor with altimeter and temperature sensing capabilities, primarily used in environmental monitoring applications. It features a total of 8 pins, each serving specific functions:
1. VDD: Power supply pin, typically connected to 1.95V to 3.6V DC.
2. VDDIO: Input/output interface voltage. It can be connected to a voltage from 1.6V to VDD.
3. GND: Ground pin for the sensor.
4. SCL: Serial clock line for I2C communication.
5. SDA: Serial data line for I2C communication, used for data transfer.
6. INT1: Interrupt 1 output, can be configured for various interrupt functions.
7. INT2: Interrupt 2 output, similar to INT1, for additional interrupt signaling.
8. PS: Power saving pin, used to reduce power consumption.
The sensor integrates high-resolution pressure, altitude, and temperature data, making it suitable for applications like weather stations, altimeters, and GPS enhancements. The I2C communication interface allows easy integration with microcontrollers and other devices.

Manufacturer

The MPL3115A2 is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in the design and production of various semiconductor products, including microcontrollers, sensors, and communication technologies. The company is well-regarded for its work in automotive, industrial, and consumer markets, offering solutions that drive advancements in secure connectivity and the Internet of Things (IoT). NXP's products are used in a wide range of applications, from automotive safety systems to smart home devices and industrial automation.

Application

The MPL3115A2 is a precision altimeter and barometer sensor used in various applications. Its primary areas include weather stations, where it helps in atmospheric pressure monitoring and weather prediction. It is also employed in GPS enhancement systems to improve altitude accuracy. In consumer electronics, it supports features like indoor navigation and fitness tracking. Additionally, the sensor is used in drones for altitude stabilization and in automotive systems for advanced driver assistance. Its low power consumption and high precision make it ideal for battery-powered and portable devices.

Package

The MPL3115A2 is typically available in a 10-pin LGA (Leadless Grid Array) package. This compact and low-profile package type is designed for integration into various electronic applications, providing both barometric pressure and temperature sensing capabilities.

Frequently Asked Questions


Q: What is the operating pressure range of the MPL3115A2?
A: It measures absolute pressure from 7.25 PSI to 15.95 PSI (50 kPa to 110 kPa), covering standard atmospheric pressure.


Q: What output interface does this sensor use?
A: It features an I2C digital output interface, providing a 24-bit resolution for high-precision pressure data.


Q: Is the sensor compensated for temperature variations?
A: Yes, it includes temperature compensation to maintain accuracy across its -40°C to 85°C operating range.


Q: What is the supply voltage requirement for this component?
A: It operates on a supply voltage from 1.95V to 3.6V, suitable for low-power designs.


Q: Does the MPL3115A2 require a pressure port for connection?
A: No, it has a "No Port" design, meaning pressure is applied directly to the sensor package surface.


Q: What is the maximum pressure the sensor can withstand?
A: The maximum overpressure rating is 72.52 PSI (500 kPa), ensuring robustness against over-range events.


Q: What package does this sensor come in, and how is it mounted?
A: It is housed in an 8-pin TLGA package (8-LGA 3x5mm) and designed for surface mount (SMD) assembly.


Q: Can this sensor be used for altimetry or weather monitoring?
A: Yes, its absolute pressure range and high accuracy (±0.4 kPa) make it ideal for altimetry and barometric pressure sensing.


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