MMA7361LCR1

Product Overview

The MMA7361LCR1 is an accelerometer sensor belonging to the category of MEMS (Micro-Electro-Mechanical Systems) sensors. It is commonly used for measuring acceleration in various electronic devices and systems. The sensor possesses unique characteristics, comes in a specific package, and has distinct advantages and disadvantages.

Category

MEMS Accelerometer Sensor

Use

The MMA7361LCR1 is utilized for measuring acceleration in electronic devices and systems. It can be integrated into applications such as motion detection, tilt sensing, and vibration monitoring.

Characteristics

• Low power consumption
• Three-axis sensing
• Selectable sensitivity (±1.5g, ±2g, ±4g, ±6g)
• Low voltage operation (2.2V - 3.6V)

Package

The sensor is available in a small, surface-mount LGA (Land Grid Array) package.

Essence

The essence of the MMA7361LCR1 lies in its ability to accurately measure acceleration across three axes with low power consumption and selectable sensitivity.

Packaging/Quantity

The sensor is typically sold in reels or trays, with quantities varying based on the supplier and customer requirements.

Specifications

• Operating Voltage: 2.2V - 3.6V
• Sensitivity Options: ±1.5g, ±2g, ±4g, ±6g
• Output Type: Analog
• Dimensions: 3mm x 5mm x 1mm
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MMA7361LCR1 features a standard pin configuration with connections for power supply, ground, and analog output for each axis (X, Y, Z).

| Pin Name | Description | |----------|-------------------| | VCC | Power Supply (2.2V - 3.6V) | | GND | Ground | | XOUT | X-Axis Analog Output | | YOUT | Y-Axis Analog Output | | ZOUT | Z-Axis Analog Output |

Functional Features

The sensor incorporates built-in signal conditioning circuitry, allowing direct connection to a microcontroller or ADC. It also offers selectable sensitivity, enabling users to tailor the measurement range based on their specific application requirements.

Advantages and Disadvantages

Advantages

• Low power consumption
• Three-axis sensing capability
• Small form factor
• Selectable sensitivity

Disadvantages

• Analog output requires external ADC for digital processing
• Limited operating temperature range (-40°C to +85°C)

Working Principles

The MMA7361LCR1 operates based on the principles of MEMS technology, where tiny mechanical structures are integrated with electronics to detect and measure acceleration forces. When subjected to acceleration, the internal structures within the sensor move, causing a change in capacitance or resistance, which is then converted into an analog voltage output proportional to the applied force.

Detailed Application Field Plans

The MMA7361LCR1 finds extensive use in various applications, including: - Motion detection in consumer electronics - Tilt sensing in automotive and industrial equipment - Vibration monitoring in structural health monitoring systems

Detailed and Complete Alternative Models

Some alternative models to the MMA7361LCR1 include: - ADXL335 from Analog Devices - LIS3DH from STMicroelectronics - KX022 from Kionix

In conclusion, the MMA7361LCR1 accelerometer sensor offers a compact and versatile solution for measuring acceleration in electronic devices and systems. With its low power consumption, three-axis sensing, and selectable sensitivity, it caters to a wide range of applications, despite its limitations in operating temperature range and analog output processing. Additionally, alternative models provide users with options to suit their specific design and performance requirements.