Accelerometer Triple � 2g/� 4g/� 8g 1.71 to 3.6V 16384counts/g/8192counts/g/4096counts/g 16-Pin LGA

KX124-1051 – Triple-Axis Digital Accelerometer ±2g/4g/8g – Kionix Inc. (ROHM Semiconductor)

This KX124-1051 digital accelerometer from Kionix Inc., a ROHM Semiconductor group company, delivers precise motion sensing for compact embedded designs. Featuring selectable measurement ranges (±2g/±4g/±8g), ultra-low voltage operation, and flexible digital interfaces, this MEMS sensor enables reliable motion detection and orientation tracking in space-constrained applications. PCX ensures genuine Kionix components with fast shipping and dedicated technical support.

Key Features

• Triple-Axis Sensing: Simultaneous X, Y, Z motion detection
• Programmable Ranges: ±2g, ±4g, or ±8g acceleration
• Ultra-Low Voltage Operation: 1.71V to 3.6V supply
• Digital Output: I²C or SPI interface options
• High Resolution: Up to 16-bit output (64 LSB/g @ ±2g)
• Wide Temperature Range: -40°C to +85°C operation

Technical Details

This surface-mount accelerometer features a 16-VFLGA package (3x3mm) with adjustable bandwidth up to 800Hz and selectable low-pass filtering. Sensitivity scales with range: 4096 counts/g (±8g), 8192 counts/g (±4g), and 16384 counts/g (±2g). The digital architecture ensures robust noise immunity, while its 1.71V minimum voltage supports battery-powered devices.

Typical Applications

• Wearable fitness trackers and health monitors
• Industrial IoT vibration sensing and predictive maintenance
• Gaming controllers and AR/VR motion input devices
• Drone navigation and stabilization systems
• Portable medical equipment and diagnostic tools

About Kionix Inc. (ROHM Semiconductor)

Kionix Inc., a wholly-owned subsidiary of ROHM Semiconductor, is a global leader in MEMS inertial sensor technology. With over 20 years of innovation, Kionix specializes in high-performance accelerometers, gyroscopes, and combo sensors renowned for their precision, low power consumption, and miniaturized form factors. Their solutions undergo rigorous quality testing to meet automotive, industrial, and consumer reliability standards.

ROHM Semiconductor’s acquisition of Kionix strengthens its portfolio of analog and power solutions, combining Kionix’s MEMS expertise with ROHM’s world-class manufacturing capabilities. This synergy ensures consistent sensor performance, extended product lifecycles, and comprehensive technical documentation – making Kionix accelerometers a trusted choice for mission-critical designs.

About Digital Accelerometers

Digital accelerometers measure acceleration forces across multiple axes, converting physical motion into electronic signals. Unlike analog variants, digital accelerometers integrate signal conditioning and ADCs on-chip, providing noise-resistant outputs directly compatible with microcontrollers. This simplifies circuit design while improving accuracy in environments with electromagnetic interference.

These sensors are fundamental to motion-activated systems, enabling features like screen orientation switching, gesture recognition, impact detection, and vibration analysis. Their low power requirements make them ideal for battery-operated devices, while industrial-grade variants withstand harsh operating conditions. When selecting an accelerometer, key considerations include measurement range, resolution, interface compatibility, and power efficiency – all optimized in the KX124 series.

Packaging Options

Available in industry-standard Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly. PCX provides full traceability documentation with every order.

Frequently Asked Questions

Question: What communication interfaces does this accelerometer support?
Answer: It offers both I²C and SPI digital interfaces for flexible microcontroller integration.

Question: Can I change the sensitivity after installation?
Answer: Yes, the ±2g/±4g/±8g range is software-selectable via configuration registers.

Question: Is this suitable for shock/vibration monitoring?
Answer: Absolutely. The 800Hz bandwidth and ±8g range make it ideal for industrial vibration analysis.

Question: Does it include motion detection interrupts?
Answer: Yes, embedded features include free-fall, directional tap, and activity detection interrupts.

Question: Is the KX124-1051 RoHS compliant?
Answer: Yes, this device meets all current RoHS 3 directives.

Question: Why choose a digital accelerometer over analog?
Answer: Digital outputs reduce noise susceptibility, simplify PCB layout, and eliminate external ADCs – saving board space and BOM cost.

Note: Product images are representational. Refer to the KX124-1051 datasheet for exact specifications.

Order today for fast delivery!

PCX has immediate access to genuine Kionix motion sensors. Contact our support team for volume pricing and design assistance – we guarantee authentic components shipped within 24 hours!