MMA7361LT - Accelerometer

Product Overview

The MMA7361LT is an accelerometer belonging to the category of micro-electromechanical systems (MEMS) sensors. It is commonly used for measuring acceleration in various electronic devices and applications. The device possesses unique characteristics, comes in a specific package, and has essential features that make it suitable for a wide range of applications.

Category

The MMA7361LT falls under the category of MEMS accelerometers, which are widely used in motion-sensing applications.

Use

It is utilized for measuring acceleration in electronic devices such as smartphones, gaming controllers, and industrial equipment.

Characteristics

The MMA7361LT is known for its low power consumption, high sensitivity, and compact size. It is available in a small surface-mount package, making it suitable for integration into space-constrained designs.

Package

The device is typically offered in a small, lead-free LGA (Land Grid Array) package, ensuring ease of integration into electronic circuits.

Essence

The essence of the MMA7361LT lies in its ability to accurately measure acceleration across multiple axes while consuming minimal power.

Packaging/Quantity

The MMA7361LT is usually supplied in reels or trays, with quantities varying based on the manufacturer's specifications.

Specifications

• Operating Voltage: 2.2V to 3.6V
• Sensitivity: Selectable ±1.5g, ±6g, or ±9g full-scale ranges
• Output: Analog voltage output proportional to acceleration
• Low Power Consumption: Ideal for battery-powered applications
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MMA7361LT typically features a standard pin configuration, including power supply pins, ground pins, and analog output pins. The detailed pinout is as follows:

| Pin Name | Description | |----------|-------------| | Vcc | Power Supply | | GND | Ground | | XOUT | X-axis Acceleration Output | | YOUT | Y-axis Acceleration Output | | ZOUT | Z-axis Acceleration Output |

Functional Features

• Three selectable full-scale ranges for flexibility in different applications
• Low power consumption, making it suitable for portable and battery-powered devices
• High sensitivity for accurate measurement of acceleration
• Small form factor for easy integration into compact designs

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices
• High sensitivity provides precise acceleration measurements
• Small package size allows for integration into space-constrained designs

Disadvantages

• Limited to three selectable full-scale ranges, may not cover all application requirements
• Analog output requires additional signal conditioning for digital processing

Working Principles

The MMA7361LT operates based on the principles of MEMS technology, where tiny mechanical structures respond to changes in acceleration, causing a change in capacitance or resistance. This change is then converted into an analog voltage output proportional to the applied acceleration.

Detailed Application Field Plans

The MMA7361LT finds extensive use in various applications, including: - Motion-sensing in consumer electronics like smartphones and gaming controllers - Industrial equipment monitoring for vibration and shock detection - Automotive safety systems for airbag deployment and vehicle stability control

Detailed and Complete Alternative Models

• ADXL335: A similar three-axis accelerometer with analog output
• LIS3DH: Digital output accelerometer with advanced features and low power consumption
• BMA180: Three-axis accelerometer with digital output and configurable measurement ranges

In conclusion, the MMA7361LT accelerometer offers a balance of sensitivity, power efficiency, and compactness, making it suitable for diverse applications in consumer electronics, industrial monitoring, and automotive safety systems.

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