Analog Devices ADXL203CE Dual-Axis iMEMS Motion Sensors Accelerometers

The Analog Devices ADXL203CE sets the benchmark for high-precision dual-axis acceleration measurement, delivering ultra-low noise, wide bandwidth flexibility, and robust performance in a miniaturized, rugged package. Whether for industrial stabilization, motion tracking, or tilt sensing, this accelerometer offers unmatched accuracy and reliability.

Precision Motion Sensing for Demanding Applications

The Analog Devices ADXL203CE is a high-accuracy, low-power, dual-axis accelerometer that delivers exceptional performance for tilt sensing, vibration monitoring, and inertial measurement applications. Housed in a compact 5±5±2mm LCC package, this MEMS-based sensor offers industry-leading stability (±1mg resolution, 110µg/√Hz noise floor), making it ideal for navigation systems, industrial platform stabilization, and motion-activated devices. With selectable bandwidth (0.5Hz – 2.5kHz), ±5g full-scale range, and ±0.1° axis alignment accuracy, the ADXL203CE provides unmatched precision in both static (gravity) and dynamic (vibration) acceleration measurements.

Key Features & Benefits

✅ Dual-Axis (±5g) High-Acceleration Sensing

• Measures static (gravity-based tilt) & dynamic (vibration/shock) motion
• 1mg resolution at 60Hz bandwidth

✅ Ultra-Low Noise (110µg/√Hz) for High Resolution

• Detects <0.06° tilt angle changes

✅ Wide Bandwidth Adjustability (0.5Hz – 2.5kHz)

• Customizable via CX/CY capacitors per application

✅ Excellent Thermal & Zero-g Stability

• Operates across – 40°C to +125°C
• Stable bias performance in harsh environments

✅ Robust & Miniaturized LCC Package (5±5±2mm)

• 8-pin ceramic LCC for shock/vibration resistance
• 3500g shock survival rating

✅ Low Power Consumption (700µA @5V)

• Ideal for battery-powered IoT & portable devices

✅ RoHS-Compliant & Lead-Free Solder Compatible

Technical Specifications

Electrical Performance

Parameter	Value
Full-Scale Range	±1.7g / ±5g / ±18g (configurable)
Sensitivity (Typical)	1000mV/g (±5g range)
Noise Density	110µg/√Hz (ultra-low noise)
Zero-g Offset Error	±35mg (max)
Bandwidth Adjustment	0.5Hz – 2.5kHz (via CX/CY caps)
Power Consumption	700µA (typ) @5V
Output Signal	Analog Voltage (ratiometric to supply)

Mechanical & Environmental Ratings

Parameter	Value
Operating Temperature	– 40°C to +125°C
Shock Resistance	3500g (survival rating)
Axis Misalignment	±0.1° (typical)
Package Type	8-pin LCC (5±5±2mm)
Mounting Method	Surface Mount (SMD)

Applications

1. Industrial & Automation

• Platform stabilization (robotics, UAV balancing)
• Structural health monitoring (vibration analysis)
• Tilt sensing for construction equipment

2. Navigation & Motion Tracking

• Inertial measurement units (IMUs) for drones
• Attitude heading reference systems (AHRS)
• Dead reckoning in GPS-denied environments

3. Consumer & Wearable Tech

• Motion-activated alarms/detectors
• Fall detection in smartwatches
• Gaming controller motion sensing

4. Automotive & Transportation

• Vehicle rollover detection
• Suspension system monitoring
• Black box event recording

5. Medical & Scientific Instruments

• Portable medical device stabilization
• Seismic activity sensors

Comparison with Competing Accelerometers

ADXL203CE comparison with alternative parts

Feature	ADXL203CE	Competitor A	Competitor B
Axes	Dual (X/Y)	Single-axis	Dual-axis (lower resolution)
Noise Floor	110µg/√Hz	>250µg/√Hz	200µg/√Hz
Bandwidth	0.5Hz – 2.5kHz (adjustable)	Fixed 400Hz	Limited range
Accuracy	1mg (0.06° tilt)	5mg+	2mg
Temp. Range	– 40°C to +125°C	– 20°C to +85°C	– 40°C to +105°C
Shock Survival	3500g	1000g	2000g

Why Choose ADXL203CE?

• Higher accuracy & lower noise than most alternatives
• Flexible bandwidth tuning eliminates external filtering
• Wider operating temperature for industrial reliability

Alternative Accelerometer Options for Different Applications

While the ADXL203 is a robust dual-axis analog accelerometer, you may need different performance characteristics depending on your application. Below are high-quality alternatives that address specific needs – whether you require single-axis simplicity, ultra-low noise, industrial ruggedness, or digital output. Here's a quick comparison of key options to help you choose the best fit: <

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• Basic tilt sensing
• Cost-sensitive single-axis designs

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• High-end IMUs
• Precision navigation
• Seismic monitoring

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• High-g vibration analysis
• Aerospace/defense
• Structural monitoring

ADXL203CE comparison with alternative parts

Model	Key Features	Noise Floor	Axes	Full-Scale Range	Output Type	Best For
ADXL103	Single-axis version of ADXL203	110 µg/√Hz	1 (X or Y)	±1.7g/±5g/±18g	Analog Voltage
ADXL355	Ultra-low noise digital triaxial accelerometer	20 µg/√Hz (5x lower noise)	3 (X/Y/Z)	±2g/±4g/±8g	SPI/I2C Digital
ADXL357	Industrial-grade, wide-range, low-drift	80 µg/√Hz	3 (X/Y/Z)	±10g/±20g/±40g	SPI/I2C Digital

Key Selection Criteria:

• Need basic motion detection? → ADXL103
• High-precision 3D tracking required? → ADXL355
• Measuring extreme vibrations/shock? → ADXL357

All models operate from -40°C to +125°C and are RoHS-compliant.