FXLS8471QR1

Introduction

The FXLS8471QR1 is a versatile sensor belonging to the category of accelerometers. It is widely used in various applications due to its compact size, high accuracy, and low power consumption. This entry provides an overview of the FXLS8471QR1, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Accelerometer
• Use: Motion sensing and detection
• Characteristics: High accuracy, low power consumption
• Package: 3mm x 3mm x 1.0mm QFN
• Essence: MEMS sensor technology
• Packaging/Quantity: Tape and reel packaging, quantity varies based on order

Specifications

• Sensitivity: 16384 counts/g
• Operating Voltage: 1.95V to 3.6V
• Current Consumption: 10μA in standby mode, 50μA in low-power mode
• Output Data Rate: Selectable from 1.563 Hz to 800 Hz
• Digital Output: I2C and SPI interfaces
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The FXLS8471QR1 features a 16-pin QFN package with the following pin configuration: 1. VDD 2. INT1 3. INT2 4. GND 5. XOUT 6. NC 7. NC 8. YOUT 9. CS 10. SDA/SDI 11. SCL/SCLK 12. SA0/ADR 13. VDDIO 14. GND 15. MISO 16. MOSI

Functional Features

• High Sensitivity: The FXLS8471QR1 offers high sensitivity, making it suitable for detecting even subtle motion changes.
• Low Power Consumption: With its low current consumption, the sensor is ideal for battery-powered applications.
• Digital Output Interfaces: The I2C and SPI interfaces provide flexibility in integrating the sensor into various systems.

Advantages and Disadvantages

Advantages

• High accuracy
• Compact size
• Wide operating temperature range

Disadvantages

• Limited maximum output data rate
• Requires careful handling during assembly due to small package size

Working Principles

The FXLS8471QR1 operates based on the principles of micro-electromechanical systems (MEMS) technology. When subjected to acceleration, the MEMS structure within the sensor deflects, causing a change in capacitance. This change is then converted into a digital signal, providing accurate acceleration measurements.

Detailed Application Field Plans

The FXLS8471QR1 finds extensive use in the following application fields: - Consumer Electronics: Mobile devices, gaming controllers, and wearable devices - Automotive: Vehicle stability control, rollover detection, and impact sensing - Industrial: Condition monitoring, vibration analysis, and equipment health monitoring

Detailed and Complete Alternative Models

• ADXL345: Another popular accelerometer with similar characteristics and performance
• MMA8452Q: Offers comparable features and is compatible with the same interface protocols
• BMA250E: Provides an alternative option with a different form factor and power consumption profile

In conclusion, the FXLS8471QR1 accelerometer offers high performance and versatility in motion sensing applications. Its compact size, low power consumption, and digital output interfaces make it a preferred choice across various industries.

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