MMA5148LCWR2 Overview
The MMA5148LCWR2 is a high-performance, low-power 3-axis accelerometer designed for precise motion sensing and orientation detection in industrial and consumer electronics. This device utilizes capacitive sensing technology to deliver accurate acceleration measurements across ??1.5 g to ??6 g selectable ranges. Its digital output simplifies integration with microcontrollers and DSPs, making it ideal for applications requiring reliable motion data. The compact 14-pin LCC package supports easy PCB layout and system integration. Engineers and sourcing specialists will find the MMA5148LCWR2 an efficient solution for enhancing device functionality with minimal power consumption and robust performance. For further details, visit IC Manufacturer.
MMA5148LCWR2 Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Range | ??1.5 g, ??2 g, ??3 g, ??6 g (selectable) |
| Output Type | Digital SPI interface |
| Supply Voltage | 2.7 V to 3.3 V |
| Operating Current | 750 ??A (typical) |
| Bandwidth | Up to 1000 Hz |
| Package | 14-lead LCC (Leadless Chip Carrier) |
| Temperature Range | -40 ??C to +85 ??C |
| Sensitivity | 800 mV/g (typical at ??1.5 g) |
| Output Resolution | 12-bit ADC |
MMA5148LCWR2 Key Features
- Multi-range acceleration sensing: Selectable measurement ranges up to ??6 g allow for versatile applications, providing precise data whether detecting subtle vibrations or rapid movements.
- Digital SPI interface: Enables straightforward integration with modern microcontrollers, enhancing system design flexibility and reducing the need for external analog components.
- Low power consumption: Typical operating current of 750 ??A ensures energy-efficient performance, critical for battery-powered and portable industrial devices.
- Robust temperature tolerance: Operating reliably over a wide temperature range (-40 ??C to +85 ??C) suits demanding industrial environments.
- Compact 14-lead LCC package: Facilitates high-density PCB layouts and supports miniaturization of complex electronic systems.
- High bandwidth: Up to 1000 Hz bandwidth captures fast dynamic events accurately, important for motion tracking and vibration analysis.
- 12-bit resolution ADC: Provides fine granularity in acceleration measurement, improving precision and system responsiveness.
MMA5148LCWR2 Advantages vs Typical Alternatives
This accelerometer offers a compelling combination of selectable measurement ranges, digital output, and low current consumption compared to typical analog alternatives. Its SPI communication interface simplifies digital system integration and reduces noise susceptibility. The wide operating temperature range and compact LCC package increase reliability and ease of use in industrial environments, providing engineers with a robust, energy-efficient solution for precise motion sensing.
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Typical Applications
- Industrial machinery monitoring: Enables real-time vibration and tilt detection to prevent equipment failure and optimize maintenance schedules through accurate acceleration data.
- Consumer electronics: Enhances user interface by enabling gesture recognition and device orientation sensing in portable gadgets.
- Automotive systems: Supports stability control and rollover detection by providing reliable three-axis acceleration measurements under varying environmental conditions.
- Robotics and automation: Facilitates precise motion control and feedback by integrating accurate acceleration sensing into robotic platforms.
MMA5148LCWR2 Brand Info
The MMA5148LCWR2 is part of a well-established family of capacitive MEMS accelerometers known for their reliability and precision. Developed by a leading semiconductor manufacturer, this device exemplifies the brand??s commitment to delivering innovative motion sensing solutions optimized for industrial and consumer applications. The product benefits from advanced process technology, rigorous quality control, and extensive support, ensuring consistent performance and long-term availability for engineering designs.
FAQ
What communication protocols does the MMA5148LCWR2 support?
This accelerometer features a digital SPI interface, allowing efficient and noise-resistant communication with microcontrollers and digital signal processors. The SPI protocol supports fast data transfer rates, simplifying integration into embedded systems without requiring external analog-to-digital converters.
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What is the operating voltage range for this device?
The device operates reliably within a supply voltage range of 2.7 V to 3.3 V. This range is compatible with most modern low-voltage digital systems, making it suitable for battery-powered and portable electronic designs.
How does the device perform in different temperature environments?
Engineered for industrial-grade applications, it maintains stable operation across a wide temperature range from -40 ??C to +85 ??C. This ensures accurate acceleration measurements even in harsh or fluctuating environmental conditions.
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What is the typical power consumption during operation?
The typical operating current is approximately 750 microamperes. This low power consumption supports extended battery life in portable devices and reduces overall system energy requirements, crucial for energy-conscious applications.
Can the measurement range be adjusted for different application needs?
Yes, the accelerometer supports selectable measurement ranges of ??1.5 g, ??2 g, ??3 g, and ??6 g. This flexibility allows engineers to optimize sensitivity and dynamic range depending on the specific motion detection or vibration analysis requirements.





