NXP USA Inc.
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MMA6851ALKGWR2

MMA6851ALKGWR2

Product Overview

Category

The MMA6851ALKGWR2 belongs to the category of motion sensors, specifically an accelerometer.

Use

This product is used for measuring acceleration and tilt in various applications such as automotive systems, industrial equipment, and consumer electronics.

Characteristics

  • High sensitivity
  • Low power consumption
  • Small form factor
  • Wide operating temperature range

Package

The MMA6851ALKGWR2 is available in a small, surface-mount package, making it suitable for compact designs.

Essence

The essence of this product lies in its ability to accurately measure acceleration and tilt in a wide range of applications while consuming minimal power.

Packaging/Quantity

The MMA6851ALKGWR2 is typically packaged in reels and is available in varying quantities depending on the manufacturer's specifications.

Specifications

  • Measurement Range: ±2g, ±4g, ±8g
  • Output Type: Analog
  • Operating Voltage: 2.2V to 3.6V
  • Operating Temperature Range: -40°C to 85°C
  • Sensitivity: 800mV/g at 2g range

Detailed Pin Configuration

The MMA6851ALKGWR2 features a standard pin configuration with connections for power, ground, and analog output.

| Pin Name | Function | |----------|--------------| | VDD | Power Supply | | GND | Ground | | OUT | Analog Output|

Functional Features

  • High sensitivity for accurate measurements
  • Low power consumption for extended battery life
  • Wide operating temperature range for versatile use
  • Robust design for reliability in harsh environments

Advantages

  • Accurate measurement of acceleration and tilt
  • Low power consumption
  • Small form factor for easy integration into designs
  • Suitable for a wide range of applications

Disadvantages

  • Limited measurement range compared to some other accelerometers
  • Analog output may require additional signal conditioning

Working Principles

The MMA6851ALKGWR2 operates based on the principles of capacitive sensing, where changes in capacitance due to acceleration are converted into analog voltage signals.

Detailed Application Field Plans

Automotive Systems

In automotive systems, the MMA6851ALKGWR2 can be used for vehicle stability control, rollover detection, and impact sensing.

Industrial Equipment

For industrial equipment, this accelerometer can be utilized for vibration monitoring, inclinometers, and tilt sensing in machinery.

Consumer Electronics

In consumer electronics, the MMA6851ALKGWR2 can find applications in gaming controllers, virtual reality devices, and wearable fitness trackers.

Detailed and Complete Alternative Models

  • MMA8452Q: Offers a wider measurement range and digital output for easier interfacing.
  • ADXL345: Provides higher resolution and digital output with similar power consumption.

In conclusion, the MMA6851ALKGWR2 accelerometer offers high sensitivity, low power consumption, and a compact form factor, making it suitable for a wide range of applications across various industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MMA6851ALKGWR2 en soluciones técnicas

  1. What is the MMA6851ALKGWR2 accelerometer used for?

    • The MMA6851ALKGWR2 accelerometer is used to measure acceleration and tilt in various technical solutions, such as motion sensing, orientation detection, and vibration monitoring.

  2. What is the operating voltage range of the MMA6851ALKGWR2?

    • The operating voltage range of the MMA6851ALKGWR2 is typically between 2.2V and 3.6V.

  3. Can the MMA6851ALKGWR2 be used for impact detection?

    • Yes, the MMA6851ALKGWR2 can be utilized for impact detection due to its ability to accurately measure sudden changes in acceleration.

  4. What is the output interface of the MMA6851ALKGWR2?

    • The MMA6851ALKGWR2 features an analog output interface, providing raw acceleration data that can be processed by a microcontroller or other digital processing unit.

  5. Is the MMA6851ALKGWR2 suitable for automotive applications?

    • Yes, the MMA6851ALKGWR2 is suitable for automotive applications, including vehicle stability control, airbag deployment, and anti-theft systems.

  6. What is the resolution of the MMA6851ALKGWR2?

    • The MMA6851ALKGWR2 has a resolution of up to 10 bits, allowing for precise measurement of acceleration and tilt.

  7. Does the MMA6851ALKGWR2 have built-in self-test capabilities?

    • Yes, the MMA6851ALKGWR2 includes built-in self-test capabilities to verify proper operation and calibration.

  8. Can the MMA6851ALKGWR2 be used in harsh environments?

    • The MMA6851ALKGWR2 is designed to withstand harsh environments and is capable of operating within specified temperature and shock/vibration limits.

  9. What are the typical power consumption characteristics of the MMA6851ALKGWR2?

    • The MMA6851ALKGWR2 has low power consumption, making it suitable for battery-powered applications, with typical current consumption in the microamp range.

  10. Is the MMA6851ALKGWR2 compatible with common microcontrollers?

    • Yes, the MMA6851ALKGWR2 is compatible with common microcontrollers and can be easily integrated into various technical solutions using standard communication protocols such as I2C or SPI.