MMA6851AKGCWR2 3-Axis Accelerometer Sensor IC – LGA Package

  • This sensor detects acceleration with precision, enabling accurate motion tracking and orientation detection.
  • Featuring a low noise level, it ensures reliable readings crucial for sensitive applications.
  • The compact LFCSP package minimizes board space, allowing integration into small or portable devices.
  • Ideal for wearable technology, it supports responsive user interfaces by monitoring subtle movements effectively.
  • Manufactured under strict quality controls, it offers consistent performance and long-term operational stability.
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MMA6851AKGCWR2 Overview

The MMA6851AKGCWR2 is a compact, low-power, three-axis accelerometer designed for precise motion sensing in industrial and consumer electronics. Featuring a digital output with I2C interface, this sensor offers high sensitivity and low noise performance, making it suitable for vibration monitoring, orientation detection, and tilt sensing applications. The device operates efficiently over a wide temperature range and comes in a small package size, facilitating easy integration into space-constrained designs. Its robust design ensures reliable operation under varying environmental conditions, providing engineers and sourcing specialists a dependable solution for dynamic motion measurement. For detailed technical support and sourcing, visit IC Manufacturer.

MMA6851AKGCWR2 Technical Specifications

ParameterSpecification
Measurement Range??2g / ??4g selectable
Output TypeDigital I2C interface
Supply Voltage2.2 V to 3.6 V
Operating Current350 ??A (typical)
Output Resolution10-bit ADC
Frequency Response0.5 Hz to 250 Hz
Operating Temperature Range-40??C to +85??C
Package Type12-pin LGA, 3 mm ?? 3 mm ?? 1 mm

MMA6851AKGCWR2 Key Features

  • Selectable Measurement Range: Supports ??2g and ??4g ranges, allowing users to optimize sensitivity versus dynamic range depending on the application requirements.
  • Digital I2C Interface: Simplifies integration with microcontrollers by providing a standardized serial communication protocol, reducing PCB complexity and enabling easy programming.
  • Low Power Consumption: Operating current of approximately 350 ??A enables extended battery life in portable devices, critical for energy-efficient industrial sensor networks.
  • Compact 12-pin LGA Package: The small form factor supports space-constrained designs, enabling integration in compact equipment without sacrificing performance.
  • Wide Operating Temperature Range: Functionality from -40??C to +85??C ensures reliable performance in harsh industrial environments and outdoor applications.
  • High-Resolution 10-bit ADC: Provides precise acceleration measurement data for sensitive motion detection and accurate orientation sensing.
  • Robust Frequency Response: The 0.5 Hz to 250 Hz bandwidth supports detection of both slow tilt changes and faster vibrations, broadening the range of detectable motions.

MMA6851AKGCWR2 Advantages vs Typical Alternatives

This accelerometer stands out by combining high sensitivity with low power consumption, enabling precise motion detection without compromising battery life. Its digital I2C output simplifies system integration compared to analog alternatives, reducing signal noise susceptibility. The compact package size and wide temperature tolerance enhance reliability and flexibility in diverse industrial applications. Overall, it delivers a balanced solution for engineers seeking accurate, stable, and energy-efficient acceleration sensing.

Typical Applications

  • Industrial equipment vibration monitoring: Enables early fault detection by accurately sensing machine vibrations, helping to prevent downtime and costly repairs through predictive maintenance.
  • Orientation and tilt sensing: Ideal for devices requiring precise angle measurement, such as handheld tools or robotics, improving operational accuracy and user feedback.
  • Consumer electronics motion detection: Suitable for applications like gaming controllers and wearable devices where responsive motion inputs enhance user experience.
  • Portable medical devices: Supports motion tracking and patient activity monitoring with low power requirements, extending device operating times between charges.

MMA6851AKGCWR2 Brand Info

The MMA6851AKGCWR2 is produced by a leading semiconductor manufacturer renowned for delivering reliable MEMS sensor solutions. This product line focuses on integrating high-performance sensing capabilities with robust design and ease of integration. The brand??s commitment to quality and innovation ensures that this accelerometer meets stringent industrial standards, providing customers with a trustworthy component for advanced motion detection systems.

FAQ

What communication interfaces does the MMA6851AKGCWR2 support?

This device supports a digital I2C interface, allowing for straightforward connection to microcontrollers and processors. The I2C protocol facilitates multi-device communication on the same bus and ensures reliable data transfer with minimal pin usage.

What are the power requirements for this accelerometer?

The sensor operates with a supply voltage ranging from 2.2 V to 3.6 V and consumes a typical current of 350 ??A during operation. This low power consumption makes it suitable for battery-powered applications requiring long operating times.

How does the selectable measurement range benefit users?

The ability to switch between ??2g and ??4g ranges enables users to choose between higher sensitivity for small movements or a wider range to capture more intense accelerations. This flexibility allows tailoring performance to specific application needs.

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What environmental conditions can the MMA6851AKGCWR2 tolerate?

The sensor is rated to operate reliably across a broad temperature range from -40??C to +85??C. This capability makes it suitable for demanding industrial environments and outdoor installations where temperature fluctuations are common.

How does the device handle vibration and tilt sensing?

With a frequency response spanning 0.5 Hz to 250 Hz and a 10-bit resolution, the accelerometer can accurately detect both slow changes in orientation and high-frequency vibrations. This range supports diverse applications from tilt measurement to machine condition monitoring.

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