Mems Accelerometer, 3-Axis, Digital, X, Y, Z, 2G, 4G, 8G, 16G, Lga, 3.6 V, 1.71 V |Stmicroelectronics LIS3DH

LIS3DH – 3-Axis Digital MEMS Accelerometer – STMicroelectronics

This LIS3DH digital accelerometer from STMicroelectronics delivers precise motion detection in compact designs. Ideal for power-sensitive applications, it features ultra-low power consumption, multiple measurement ranges, and flexible digital interfaces. PCX ensures genuine STMicroelectronics components with rapid shipping and dedicated technical support.

Key Features

• 3-Axis Sensing: Measures acceleration in X, Y, and Z directions
• Adjustable Ranges: ±2g, ±4g, ±8g, or ±16g full-scale
• Low Voltage Operation: 1.71V to 3.6V supply range
• Digital Output: I²C/SPI-selectable interfaces
• Temperature Sensor & Bandwidth Control: 0.5Hz to 625Hz adjustable
• Robust Design: -40°C to +85°C operating temperature

Technical Details

The LIS3DH MEMS accelerometer provides high-resolution digital output through a 16-bit ADC. Housed in a compact 16-LGA (3x3mm) surface-mount package, it features embedded FIFO buffering and programmable interrupt functions. Sensitivity scales from 1000 LSB/g (±2g) to 83 LSB/g (±16g), with configurable ODR (output data rate) up to 5.3kHz. The device includes built-in self-test functionality and operates at just 2μA in low-power mode.

Typical Applications

• Portable consumer electronics (smartphones, wearables)
• Industrial vibration monitoring systems
• IoT device motion activation
• Gaming controller tilt sensing
• Asset tracking and navigation modules

About STMicroelectronics

STMicroelectronics is a global semiconductor leader with over 30 years of MEMS innovation. Their sensors consistently set industry benchmarks for accuracy, power efficiency, and reliability across automotive, industrial, and consumer markets. STM’s vertically integrated manufacturing ensures strict quality control from wafer production to final testing.

The company holds ISO/TS 16949 certification for automotive-grade components and invests heavily in R&D, with 16,000+ patents. Their MEMS product line, including the LIS3 series, benefits from proprietary “THELMA” manufacturing processes that enhance performance consistency in harsh environments.

About MEMS Accelerometers

MEMS (Micro-Electro-Mechanical Systems) accelerometers detect linear acceleration through microscopic silicon structures. When motion occurs, capacitive plates shift position, generating electrical signals proportional to force. These ICs revolutionized motion sensing by replacing bulky mechanical components with sub-millimeter silicon chips.

Digital accelerometers like the LIS3DH provide critical orientation and movement data for modern electronics. They enable features from screen rotation and step counting to impact detection and stabilization systems. Key advantages over analog variants include lower noise, direct microcontroller compatibility, and integrated signal processing that reduces external component requirements.

Packaging & Availability

This LIS3DH accelerometer is supplied in protective trays for automated assembly handling. Note: This product has reached obsolete status per manufacturer designation. PCX maintains limited stock for legacy designs – contact our support team for lifecycle alternatives.

Frequently Asked Questions

Q1: Is the LIS3DH suitable for battery-powered devices?
A1: Absolutely. With operating voltages down to 1.71V and multiple power-saving modes (2μA sleep current), it’s ideal for portable electronics.

Q2: Can I change measurement ranges dynamically?
A2: Yes. The full-scale range (±2g/4g/8g/16g) is software-configurable via I²C/SPI registers during operation.

Q3: What’s the difference between LIS3DH and LIS3DHTR?
A3: The LIS3DHTR variant offers extended temperature range (-40°C to +105°C) and enhanced shock survivability. Both share identical pinouts.

Q4: Does it require external signal conditioning?
A4: No. Integrated 16-bit ADC and digital filters provide ready-to-use acceleration data without external components.

Q5: How does the embedded temperature sensor help?
A5: It compensates for thermal drift in acceleration readings and enables environmental monitoring without additional sensors.

Q6: Why choose MEMS accelerometers over mechanical sensors?
A6: MEMS offer superior shock resistance, smaller footprints, lower power consumption, and reduced calibration needs compared to mechanical alternatives.

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

Order Your LIS3DH Accelerometers Today!

Secure remaining stock of these high-performance MEMS sensors for your legacy designs. PCX guarantees authentic STMicroelectronics components with same-day shipping and expert technical assistance. Contact our team now for availability confirmation!