Overview
The MMA8453QT, produced by NXP USA Inc., is a smart, low-power, three-axis capacitive micromachined accelerometer. It features 10 bits of resolution and is designed for various applications requiring precise motion detection and low power consumption. This accelerometer is part of the MMA8453Q series and is available in a 16-pin QFN package, measuring 3 mm x 3 mm x 1 mm. The device is known for its embedded functions and flexible user-programmable options, making it suitable for IoT and other motion-sensing applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10 bits | |
| Full Scale Range | ±2g, ±4g, ±8g | |
| Package Type | 16-pin QFN | |
| Package Dimensions | 3 mm x 3 mm x 1 mm | |
| Operating Temperature | -40°C to +85°C | |
| Supply Voltage | 1.95 V to 3.6 V | V |
| Interface | I2C |
Key Features
- Embedded interrupt functions for power savings, relieving the host processor from continuous polling.
- User-selectable full scales of ±2g, ±4g, and ±8g.
- Real-time activity analysis, including pedometer step counting and freefall drop detection.
- Motion detection for portable product power saving, such as auto-sleep and auto-wake functions.
- Shock and vibration monitoring for mechatronic compensation and shipping/warranty usage logging.
- User interface capabilities, including menu scrolling by orientation change and tap detection for button replacement.
- Low-power mode during periods of inactivity with inertial wake-up interrupt signals.
Applications
- IoT devices requiring motion sensing and low power consumption.
- Portable electronics such as cell phones, PDAs, and GPS devices for auto-sleep and auto-wake functions.
- Wearable devices for activity tracking and pedometer functions.
- Industrial applications for shock and vibration monitoring.
- Gaming devices for motion detection and user interface enhancements.
Q & A
- What is the resolution of the MMA8453QT accelerometer?
The MMA8453QT has a resolution of 10 bits. - What are the available full scale ranges for the MMA8453QT?
The MMA8453QT offers user-selectable full scales of ±2g, ±4g, and ±8g. - What type of package does the MMA8453QT come in?
The MMA8453QT is available in a 16-pin QFN package. - What are the dimensions of the MMA8453QT package?
The package dimensions are 3 mm x 3 mm x 1 mm. - What is the operating temperature range of the MMA8453QT?
The operating temperature range is -40°C to +85°C. - What is the supply voltage range for the MMA8453QT?
The supply voltage range is 1.95 V to 3.6 V. - What interface does the MMA8453QT use?
The MMA8453QT uses an I2C interface. - What are some of the embedded functions of the MMA8453QT?
The MMA8453QT includes embedded functions such as real-time activity analysis, motion detection, shock and vibration monitoring, and user interface capabilities. - Is the MMA8453QT suitable for low-power applications?
Yes, the MMA8453QT is designed for low-power applications and can operate in a low-power mode during periods of inactivity. - What are some common applications of the MMA8453QT?
Common applications include IoT devices, portable electronics, wearable devices, industrial applications, and gaming devices.
