Overview
The MMA8453QR1, produced by NXP USA Inc., is a smart, low-power, three-axis, capacitive, micromachined accelerometer. This device features 10 bits of resolution and is designed to provide high accuracy and flexibility in various applications. It is part of the MMA8453Q series, which is known for its embedded functions and user-programmable options, making it suitable for a wide range of uses, including motion detection, activity analysis, and shock/vibration monitoring.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10 bits (8 bits also configurable) | |
| Full Scale Range | ±2 g, ±4 g, ±8 g | |
| Power Supply | 1.95 V to 3.6 V | V |
| Interface | I2C | |
| Package | 16-pin QFN, 3 mm x 3 mm x 1 mm | |
| Temperature Range | -40°C to +85°C | °C |
| Interrupt Pins | 2 (INT1, INT2) |
Key Features
- Real-time activity analysis (pedometer step counting, freefall drop detection for HDD, dead-reckoning GPS backup)
- Motion detection for portable product power saving (auto-sleep and auto-wake for cell phone, PDA, GPS, gaming)
- Shock and vibration monitoring (mechatronic compensation, shipping and warranty usage logging)
- User interface (menu scrolling by orientation change, tap detection for button replacement)
- Embedded interrupt functions for power savings
- Configurable to two interrupt pins
- Low-power mode during periods of inactivity
Applications
- Portable electronics (cell phones, PDAs, GPS devices)
- Gaming devices
- Hard disk drive (HDD) protection
- GPS backup systems
- Industrial automation and mechatronics
- User interface enhancements (orientation-based menu scrolling, tap detection)
Q & A
- What is the resolution of the MMA8453QR1 accelerometer?
The MMA8453QR1 has a resolution of 10 bits, with an option to configure it to 8 bits. - What are the full scale ranges available for the MMA8453QR1?
The device can be configured for full scale ranges of ±2 g, ±4 g, and ±8 g. - What is the power supply range for the MMA8453QR1?
The power supply range is from 1.95 V to 3.6 V. - What type of interface does the MMA8453QR1 use?
The MMA8453QR1 uses an I2C interface. - What is the package type and dimensions of the MMA8453QR1?
The device is packaged in a 16-pin QFN with dimensions of 3 mm x 3 mm x 1 mm. - What is the operating temperature range of the MMA8453QR1?
The operating temperature range is from -40°C to +85°C. - How many interrupt pins does the MMA8453QR1 have?
The device has two interrupt pins (INT1 and INT2). - What are some of the key features of the MMA8453QR1?
Key features include real-time activity analysis, motion detection, shock and vibration monitoring, and user interface enhancements. - What are some common applications of the MMA8453QR1?
Common applications include portable electronics, gaming devices, HDD protection, GPS backup systems, and industrial automation. - How does the MMA8453QR1 help in power savings?
The device helps in power savings through its embedded interrupt functions, allowing it to remain in a low-power mode during periods of inactivity.
