LIS344ALH – 3-Axis Analog Accelerometer – STMicroelectronics

The LIS344ALH from STMicroelectronics is a high-performance analog accelerometer designed for precise motion detection in compact electronic systems. This surface-mount sensor delivers reliable three-axis measurement with adjustable bandwidth and selectable sensitivity ranges, making it ideal for industrial and embedded applications where space and power efficiency are critical. PCX ensures authentic STMicroelectronics components with same-day shipping and dedicated technical support.

Key Features

• 3-Axis Sensing: Simultaneous X, Y, Z motion detection
• Analog Voltage Output: Direct interface with ADCs
• Selectable Ranges: ±2g (660mV/g) or ±6g (220mV/g)
• Low Voltage Operation: 2.4V to 3.6V supply
• Wide Temperature Range: -40°C to +85°C operation
• Adjustable Bandwidth: Up to 1.8kHz response

Technical Specifications

• Manufacturer: STMicroelectronics
• Package: 16-LGA (4×4 mm) surface mount
• Interface: Analog voltage proportional to acceleration
• Sensitivity Tolerance: Factory-calibrated output
• Special Features: Scale selection, noise reduction
• Status: Obsolete (Available via PCX surplus stock)

Typical Applications

• Industrial equipment vibration monitoring
• Embedded navigation systems
• Robotics stabilization control
• Medical device motion sensing
• Gaming controller tilt detection

About STMicroelectronics

STMicroelectronics is a global semiconductor leader with 40+ years of innovation in MEMS and sensor technology. Their accelerometers are renowned for industry-leading accuracy, low-power architecture, and robust design validated across automotive, industrial, and consumer applications.

STMicroelectronics maintains ISO-certified manufacturing facilities and rigorous quality control processes, ensuring component reliability in mission-critical systems. Their motion sensor portfolio consistently sets benchmarks for performance-to-size ratio, making them a preferred supplier for engineering teams worldwide.

About Accelerometers

Accelerometers measure static gravity orientation or dynamic acceleration forces across multiple axes, converting physical motion into electrical signals. These sensors are fundamental in modern electronics for enabling motion-based functionality, impact detection, and stabilization across countless devices.

Analog-output accelerometers like the LIS344ALH provide real-time voltage signals proportional to acceleration, simplifying integration with microcontroller ADCs. Their low-noise characteristics and configurable ranges make them indispensable for predictive maintenance, inertial navigation, and user interface applications where response fidelity is paramount.

Packaging Options

Available in protective trays for automated assembly. Contact PCX for reel packaging alternatives or custom quantity requirements.

Frequently Asked Questions

Question: Is the LIS344ALH suitable for battery-powered devices?
Answer: Yes, its 2.4–3.6V operating range and low current consumption make it ideal for portable electronics.

Question: How does scale selection work?
Answer: A dedicated pin allows switching between ±2g and ±6g ranges without external components.

Question: Can I replace this with a digital accelerometer?
Answer: Analog versions simplify signal chains in noise-resistant environments, though digital options provide serial interfaces.

Question: What’s the meaning of “Obsolete” status?
Answer: STMicroelectronics no longer produces this part, but PCX maintains verified surplus stock for legacy designs.

Question: Is calibration required?
Answer: Factory calibration ensures immediate usability; no user calibration needed for standard applications.

Question: Does PCX provide the datasheet?
Answer: Yes, download the full LIS344ALH datasheet directly from PCXCo.com.

Note: Product images are representational. Refer to datasheet for exact dimensions.

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