Overview
The ADXL357BEZ-RL, produced by Analog Devices Inc., is a high-performance, low-noise, 3-axis digital accelerometer. This device is part of the ADXL357 family, known for its low power consumption, minimal offset drift over temperature, and long-term stability. It is designed to provide accurate and reliable acceleration measurements in various applications, including inertial measurement units, platform stabilization systems, and condition monitoring.
Key Specifications
| Parameter | Value |
|---|---|
| Measurement Ranges | ±10.24g, ±20.48g, ±40.96g |
| Sensitivity | 73.6mV/g to 86.4mV/g (±10g), 36.8mV/g to 43.2mV/g (±20g), 18.4mV/g to 21.6mV/g (±40g) |
| Output Type | Digital (SPI and limited I²C interfaces) |
| ADC Resolution | 20-bit |
| Power Consumption | 200 µA in measurement mode, 21 µA in standby mode |
| Voltage Supply | 2.25 V to 3.6 V (with integral regulators), 1.8 V typical ± 10% (with internal LDO regulator bypassed) |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 14-Pin CLLCC (6 mm × 6 mm × 2.2 mm) |
| Noise Spectral Density | 75 µg/√Hz |
| Offset Drift vs. Temperature | 0.75 mg/°C maximum |
Key Features
- Ultralow noise spectral density of 75 µg/√Hz, ensuring high accuracy in measurements.
- Low power consumption: 200 µA in measurement mode and 21 µA in standby mode.
- Digital output with SPI and limited I²C interfaces supported.
- Integrated temperature sensor for temperature compensation.
- Programmable high- and low-pass digital filters for data processing.
- Data interpolation routine for synchronous sampling.
- Voltage range options with internal regulators: 2.25 V to 3.6 V.
Applications
- Inertial measurement units (IMUs) and altitude and heading reference systems (AHRSs).
- Platform stabilization systems.
- Structural health monitoring.
- Seismic imaging.
- Tilt sensing.
- Robotics.
- Condition monitoring.
Q & A
- What are the measurement ranges of the ADXL357BEZ-RL?
The ADXL357BEZ-RL supports measurement ranges of ±10.24g, ±20.48g, and ±40.96g. - What is the sensitivity of the ADXL357BEZ-RL?
The sensitivity ranges from 73.6mV/g to 86.4mV/g for ±10g, 36.8mV/g to 43.2mV/g for ±20g, and 18.4mV/g to 21.6mV/g for ±40g. - What are the power consumption characteristics of the ADXL357BEZ-RL?
The device consumes 200 µA in measurement mode and 21 µA in standby mode. - What interfaces are supported by the ADXL357BEZ-RL?
The device supports SPI and limited I²C interfaces. - What is the operating temperature range of the ADXL357BEZ-RL?
The operating temperature range is -40°C to +125°C. - What is the package type of the ADXL357BEZ-RL?
The device is packaged in a 14-Pin CLLCC (6 mm × 6 mm × 2.2 mm). - What is the noise spectral density of the ADXL357BEZ-RL?
The noise spectral density is 75 µg/√Hz. - Does the ADXL357BEZ-RL have an integrated temperature sensor?
Yes, it does have an integrated temperature sensor. - What are some common applications of the ADXL357BEZ-RL?
Common applications include IMUs, platform stabilization systems, structural health monitoring, seismic imaging, tilt sensing, robotics, and condition monitoring. - Can the ADXL357BEZ-RL be used in high vibration environments?
Yes, the ADXL357B variant is more robust and suitable for tilt sensing in high vibration environments.
