MMA8451QR1

MMA8451QR1 – 3-Axis Digital Accelerometer – NXP Semiconductors

Engineered for precision motion detection, the NXP Semiconductors MMA8451QR1 digital accelerometer delivers reliable performance in a compact surface-mount package. Ideal for embedded systems requiring low-power operation, this IC offers configurable sensitivity (±2g/4g/8g) and adjustable bandwidth for versatile motion-sensing applications. PCX stocks this obsolete component for legacy designs and immediate deployment.

Key Features

• 3-Axis Sensing: X, Y, Z directional motion detection
• Programmable Ranges: ±2g, ±4g, or ±8g acceleration
• Digital Output: I²C interface for simplified integration
• Ultra-Low Voltage: Operates at 1.95V–3.6V
• Adjustable Bandwidth: 0.78Hz to 400Hz for noise optimization
• Power-Saving Modes: Configurable sleep/standby states

Technical Specifications

• Package: 16-QFN (3x3mm)
• Sensitivity: 4096 LSB/g (±2g) to 1024 LSB/g (±8g)
• Temperature Range: -40°C to +85°C (industrial)
• Mounting: Surface-mount (SMD)
• Base Series: MMA84 family
• Status: Obsolete – Available for legacy support

Typical Applications

• Industrial equipment vibration monitoring
• Portable device orientation detection (tablets, wearables)
• Gaming controller motion feedback systems
• Asset tracking and tilt-sensing solutions
• IoT sensor nodes for condition monitoring

About NXP Semiconductors

NXP Semiconductors is a global leader in secure connectivity solutions for embedded applications, renowned for innovation in automotive, industrial, and IoT markets. With over 60 years of semiconductor expertise, NXP consistently delivers high-reliability components meeting rigorous industry standards.

The company’s sensor portfolio combines precision engineering with low-power optimization, making NXP a preferred choice for mission-critical designs. Their commitment to quality assurance ensures consistent performance across extreme environmental conditions, backed by comprehensive technical documentation.

About Digital Accelerometers

Digital accelerometers measure acceleration forces across multiple axes, converting physical motion into electronic signals. Unlike analog variants, digital accelerometers like the MMA8451QR1 feature integrated ADCs and serial interfaces, reducing external component requirements while improving noise immunity.

These sensors are fundamental in modern motion-activated systems, enabling features from screen rotation in mobile devices to impact detection in industrial machinery. Their low-power operation makes them indispensable for battery-powered applications where energy efficiency directly impacts product longevity.

Packaging Options

Available in Tape & Reel (TR) packaging compatible with automated SMD assembly lines. Contact PCX for reel quantities and custom kitting requirements.

Frequently Asked Questions

Q: Is this accelerometer suitable for battery-powered devices?
A: Yes, its 1.95–3.6V operating range and configurable sleep modes minimize power consumption.

Q: Why is this part marked obsolete?
A: NXP has discontinued production, but PCX maintains stock for repair and legacy designs.

Q: Can I adjust the sensor’s sensitivity?
A: Yes, select between ±2g, ±4g, or ±8g ranges via I²C commands.

Q: What’s the difference between accelerometers and gyroscopes?
A: Accelerometers measure linear acceleration, while gyroscopes detect angular rotation. Some systems use both (IMUs).

Q: Do you provide datasheets?
A: Download the full MMA8451QR1 datasheet from PCXCo.com/documentation.

Q: How quickly can PCX ship this part?
A: Most orders ship same-day from our certified warehouse network.

⚠️ Note: Product images are representational. Refer to datasheets for exact specifications.

Order Today for Immediate Shipment!

Secure your MMA8451QR1 accelerometers now—limited obsolete inventory available. Contact PCX for volume pricing and lifecycle solutions. Experience reliable sourcing with our 24-hour shipping guarantee and dedicated technical support!