Description: 1. Overview: The ADXL345 is a microelectromechanical systems (MEMS) triaxial accelerometer module from Analog Devices, capable of measuring acceleration in three dimensions with adjustable sensitivity. 2. Features: It offers a wide measurement range (-3 to +3 g), programmable output data rate up to 800 Hz, and low power consumption (as low as 1.5 mA). The module also includes built-in temperature sensors for self-calibration and an adjustable digital filter for smoothing the sensor output. 3. Communication: The ADXL345 communicates via a two-wire I²C or SPI interface, making it easy to connect to microcontrollers or other systems. It also supports single-ended and differential input modes with selectable full-scale ranges (±2 g, ±4 g, and ±8 g). 4. Applications: This versatile module is used in various IoT projects, such as robotics, wearables, fall detection sensors, vehicle motion detection systems, and environmental monitoring applications where measuring acceleration is essenti
| Specification | Details |
|---|---|
| Model Number | ADXL345 |
| Sensor Type | 3-Axis Digital Accelerometer |
| Measurement Range | ±16 g (g-force) |
| Resolution | 13-bit @ 10 LSB/g |
| Sensitivity | 1-2.5 mg/LSB |
| Noise Level | 0.05 mg/√Hz @ 1 kHz |
| Bandwidth | 50 Hz - 550 Hz |
| Supply Voltage | 3.0V to 3.6V |
| Current Consumption | 350 μA (average) |
| Operating Temperature | -40°C to 85°C |
| Dimensions | 3 mm x 2.9 mm x 1 mm |
| Weight | 0.7 grams |
| Interface | I²C or SPI |
| Communication Speed | Up to 400 kHz (I²C) or 18 Mbps (SPI) |
| Package Type | QFN-5x5mm |
| Certifications | RoHS REACH compliant |
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