LIS344ALH – 3-Axis Analog Accelerometer – STMicroelectronics

Experience precise motion detection with the STMicroelectronics LIS344ALH analog accelerometer. This compact surface-mount IC delivers high-sensitivity three-axis acceleration measurements for industrial and embedded systems. With selectable ±2g/±6g ranges and adjustable bandwidth, it provides design flexibility while operating efficiently at low voltage. PCX guarantees authentic STMicroelectronics components with same-day shipping and dedicated technical support.

Key Features

• 3-Axis Sensing: Simultaneous X, Y, Z motion detection
• Selectable Ranges: ±2g (660mV/g sensitivity) or ±6g (220mV/g sensitivity)
• Low Voltage Operation: 2.4V – 3.6V supply range
• Adjustable Bandwidth: Configurable up to 1.8kHz
• Robust Design: -40°C to 85°C operating temperature
• Compact Footprint: 16-LGA package (4x4mm)

Technical Specifications

• Output Type: Analog Voltage
• Interface: Direct analog output per axis
• Package: 16-LFLGA surface-mount
• Bandwidth Control: External capacitor adjustment
• Base Part Number: LIS344 series
• Status Note: Manufacturer-classified obsolete – available while supplies last

Typical Applications

• Industrial vibration monitoring systems
• Embedded motion-activated controls
• Gaming controller motion sensing
• Robotics orientation detection
• Portable device free-fall protection

About STMicroelectronics

STMicroelectronics is a global semiconductor leader with 40+ years of MEMS sensor innovation. Their motion sensors set industry benchmarks for accuracy and power efficiency, with over 15 billion units shipped worldwide. The company maintains rigorous quality certifications including ISO/TS 16949 for automotive-grade components.

STMicroelectronics’ accelerometer portfolio combines advanced micromachining techniques with signal conditioning expertise. Their sensors undergo extensive reliability testing, making them the preferred choice for mission-critical applications across automotive, industrial, and consumer markets. PCX exclusively sources genuine STMicroelectronics components with full traceability.

About Accelerometers

Accelerometers measure acceleration forces to detect movement, tilt, and vibration in electronic systems. These MEMS-based sensors convert mechanical motion into electrical signals, enabling devices to respond to physical orientation changes. Modern accelerometers feature microscopic structures etched onto silicon chips, providing exceptional sensitivity in compact packages.

Analog-output accelerometers like the LIS344ALH deliver real-time voltage signals proportional to acceleration, simplifying integration with analog-to-digital converters. Their low latency makes them ideal for shock detection, stabilization systems, and motion analysis. When selecting accelerometers, consider sensitivity range, bandwidth requirements, and operating voltage to match your application’s dynamic response needs.

Packaging Information

Supplied in manufacturer trays for automated assembly. Contact PCX sales for reel packaging options or custom quantities.

Frequently Asked Questions

Q: Is this accelerometer suitable for vibration analysis?
A: Yes, its 1.8kHz bandwidth and ±2g range make it ideal for industrial vibration monitoring.

Q: Can I use this with 5V microcontroller systems?
A: No, it requires 2.4V-3.6V operation. Use level-shifting circuitry for 5V interfaces.

Q: How does the selectable scale feature work?
A: A dedicated pin allows switching between ±2g (high sensitivity) and ±6g (high range) modes during operation.

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

Q: What’s the difference between analog and digital accelerometers?
A: Analog types output continuous voltage signals (like the LIS344ALH), while digital versions include built-in ADCs and serial interfaces.

Q: Can I get the LIS344ALH datasheet?
A: Yes! Download the full datasheet from PCXCo.com/datasheets/LIS344ALH.

Product images are representational. Specifications subject to manufacturer documentation.

Order Today – Limited Obsolete Stock Available!

Secure this high-performance motion sensor for your critical designs. PCX guarantees authentic STMicroelectronics components with same-day shipping and technical support. Contact our sales team now before stock depletes!