NXP USA Inc.
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MMA6821ALKGCWR2

MMA6821ALKGCWR2

Product Overview

The MMA6821ALKGCWR2 belongs to the category of accelerometers and is designed for use in various applications that require motion sensing and detection. This accelerometer possesses unique characteristics, comes in a specific package, and offers essential features that cater to its intended use. The packaging and quantity details are also crucial aspects to consider when utilizing this product.

Basic Information

  • Category: Accelerometer
  • Use: Motion sensing and detection
  • Characteristics: High sensitivity, low power consumption
  • Package: LGA (Land Grid Array)
  • Essence: Accurate motion detection
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

The MMA6821ALKGCWR2 accelerometer boasts the following specifications: - Sensitivity: 800 mV/g - Operating Voltage: 1.71V to 3.6V - Current Consumption: 400 µA - Output Type: Digital I2C/SPI - Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The detailed pin configuration of the MMA6821ALKGCWR2 is as follows:

| Pin Name | Function | |----------|----------| | VDD | Power supply input | | GND | Ground connection | | SDA | I2C data line | | SCL | I2C clock line | | INT1 | Interrupt output 1 | | INT2 | Interrupt output 2 |

Functional Features

The MMA6821ALKGCWR2 offers the following functional features: - High sensitivity for accurate motion detection - Low power consumption for energy efficiency - Digital output interface for easy integration with microcontrollers - Built-in interrupt outputs for event-driven applications

Advantages and Disadvantages

Advantages

  • High sensitivity enables precise motion detection
  • Low power consumption prolongs battery life in portable devices
  • Digital output simplifies interfacing with microcontrollers

Disadvantages

  • Limited operating temperature range may restrict certain applications
  • Requires additional circuitry for voltage regulation and signal conditioning

Working Principles

The MMA6821ALKGCWR2 operates based on the principles of capacitive sensing and microelectromechanical systems (MEMS) technology. When subjected to acceleration, the MEMS structure within the accelerometer generates a capacitance change, which is then converted into a digital output signal representing the detected motion.

Detailed Application Field Plans

The MMA6821ALKGCWR2 finds extensive application in various fields, including: - Consumer electronics: Mobile devices, gaming controllers - Industrial automation: Vibrational monitoring, tilt sensing - Automotive: Electronic stability control, airbag deployment - Healthcare: Fall detection, activity tracking

Detailed and Complete Alternative Models

For users seeking alternative options, the following accelerometers can be considered: - MMA8452Q: Similar sensitivity and digital output, wider temperature range - ADXL345: Lower power consumption, different package type - BMA456: Higher sensitivity, integrated step counter feature

In conclusion, the MMA6821ALKGCWR2 accelerometer offers high sensitivity and low power consumption, making it suitable for a wide range of motion sensing applications across various industries.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MMA6821ALKGCWR2 trong giải pháp kỹ thuật

  1. What is the MMA6821ALKGCWR2?

    • The MMA6821ALKGCWR2 is a high-precision, low-power digital accelerometer designed for applications requiring orientation, tilt, and motion sensing.

  2. What are the key features of the MMA6821ALKGCWR2?

    • The key features include low power consumption, high accuracy, wide operating voltage range, and a digital interface for easy integration into various technical solutions.

  3. How can the MMA6821ALKGCWR2 be used in industrial applications?

    • It can be used for vibration monitoring, tilt sensing, and equipment condition monitoring in industrial machinery and equipment.

  4. In what ways can the MMA6821ALKGCWR2 be integrated into IoT devices?

    • It can be integrated into IoT devices for detecting orientation, motion, and vibration, making it suitable for applications such as smart home automation and asset tracking.

  5. What are the advantages of using the MMA6821ALKGCWR2 in automotive applications?

    • Its high precision and low power consumption make it ideal for automotive applications such as vehicle stability control, rollover detection, and advanced driver assistance systems.

  6. How does the MMA6821ALKGCWR2 contribute to wearable device functionality?

    • It enables accurate activity tracking, gesture recognition, and screen rotation in wearable devices, enhancing their overall functionality.

  7. Can the MMA6821ALKGCWR2 be used in consumer electronics?

    • Yes, it can be utilized in smartphones, tablets, and gaming controllers for screen orientation, motion-based gaming, and user interface control.

  8. What are the environmental conditions that the MMA6821ALKGCWR2 can operate in?

    • It can operate in a wide temperature range and is suitable for use in harsh environments due to its robust design.

  9. How does the MMA6821ALKGCWR2 support battery-powered applications?

    • Its low power consumption extends battery life in portable devices, making it well-suited for battery-powered applications.

  10. Are there any specific design considerations when integrating the MMA6821ALKGCWR2 into a technical solution?

    • Designers should consider proper PCB layout, calibration, and filtering techniques to ensure optimal performance and accuracy in their specific application.