Accelerometer X, Y, Z Axis ±2g, 4g, 8g 1.5kHz 14-CLCC (6x6)
General Description
The ADXL355BEZ is a low noise, low drift, low power, three-axis MEMS accelerometer intended for high-precision sensing applications. It delivers high-resolution digital acceleration data with excellent long-term stability and minimal temperature-induced variation.
The device integrates a complete sensing chain, including the MEMS sensor element, analog conditioning, analog-to-digital conversion, and digital filtering. Output data is provided through SPI or I²C interfaces, enabling straightforward integration into embedded and industrial systems.
Key Features
Three-axis acceleration sensing (X, Y, Z)
Selectable full-scale ranges: ±2 g, ±4 g, ±8 g
Low noise density (~25 µg/√Hz)
Low offset and minimal temperature drift
High-resolution 20-bit digital output
Integrated digital filtering
SPI and I²C communication interfaces
Low power consumption (~200 µA typical)
Wide supply voltage range (2.25 V to 3.6 V)
Integrated temperature sensor
Hermetically sealed package
Applications
Structural health monitoring
Vibration measurement and analysis
Tilt and inclination sensing
Industrial condition monitoring
Navigation and inertial systems
Seismic detection
Robotics and stabilization platforms
Functional Description
The ADXL355BEZ includes an integrated sensing and processing architecture composed of:
Three-axis MEMS sensing element
Analog front-end signal conditioning
High-resolution ADC
Digital filtering and decimation stages
Temperature sensing element
Digital communication interface (SPI/I²C)
Configuration and control registers
Electrical Characteristics (Typical)
Supply voltage: 2.25 V to 3.6 V
Supply current: ~200 µA
Output data rate: up to 4 kHz
Noise density: ~25 µg/√Hz
Resolution: 20-bit
Interface: SPI / I²C
Mechanical and Package Information
Package type: LGA (Land Grid Array)
Approximate dimensions: 3 mm × 5 mm × 1 mm
Hermetically sealed for improved environmental robustness
Interface and Communication
Supports SPI (4-wire) and I²C protocols
Outputs 20-bit acceleration data per axis
Data format: two’s complement
Measurement Ranges
±2 g
±4 g
±8 g
Environmental Specifications
Operating temperature range: -40°C to +125°C
Storage temperature range: -55°C to +150°C
Power Management
Supports measurement and standby modes
Designed for low-power operation in continuous sensing applications
Compliance and Reliability
Industrial-grade device
Designed for long-term stability
RoHS compliant