Overview
The ADXL356BEZ, produced by Analog Devices Inc., is a high-performance, low noise, low drift, and low power 3-axis analog accelerometer. This device is part of the ADXL356 series, which includes the ADXL356B and ADXL356C models, each supporting different measurement ranges. The ADXL356 is designed for precision applications requiring minimal calibration and offers industry-leading noise performance and long-term stability.
The accelerometer features a compact 14-terminal, 6 mm × 5.6 mm × 2.2 mm LCC package, making it suitable for a variety of applications where space is limited. It operates over a wide temperature range from -40°C to +125°C, ensuring reliability in diverse environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Acceleration Range | ±10 g, ±20 g (ADXL356B), ±10 g, ±40 g (ADXL356C) | - |
| Sensitivity | 73.6 to 86.4 mV/g (±10 g), 36.8 to 43.2 mV/g (±20 g), 18.4 to 21.6 mV/g (±40 g) | mV/g |
| Bandwidth | 1 Hz to 1 kHz | Hz |
| Output Type | Analog Voltage | - |
| Voltage Supply | 2.25 V to 3.6 V | V |
| Power Consumption (Measurement Mode) | 150 μA (ADXL356), 200 μA (ADXL357/ADXL357B) | μA |
| Power Consumption (Standby Mode) | 21 μA | μA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package | 14-terminal LCC | - |
| Noise Spectral Density | 75 μg/√Hz | μg/√Hz |
| 0 g Offset Drift vs. Temperature | 0.75 mg/°C maximum | mg/°C |
Key Features
- Low Noise and Drift: Ultralow noise spectral density of 75 μg/√Hz and minimal 0 g offset drift over temperature, ensuring high precision and stability.
- Low Power Consumption: Low power operation with 150 μA in measurement mode and 21 μA in standby mode, making it suitable for battery-powered devices.
- Adjustable Bandwidth: User-adjustable analog output bandwidth for the ADXL356.
- Digital Output Options: The ADXL357 and ADXL357B models offer digital SPI and limited I²C interfaces, along with a 20-bit ADC and programmable high- and low-pass digital filters.
- Integrated Temperature Sensor: Built-in temperature sensor for temperature monitoring.
- Selectable Measurement Ranges: Supports ±10 g, ±20 g, and ±40 g measurement ranges depending on the model.
- Compact Package: 14-terminal, 6 mm × 5.6 mm × 2.2 mm LCC package for space-constrained applications.
Applications
- Condition-Based Monitoring: Ideal for vibration sensing and condition-based monitoring due to its low noise over higher frequencies.
- Tilt Measurement: The low drift and low noise characteristics make it suitable for accurate tilt measurement, especially in high vibration environments.
- Defense and Aerospace: The ADXL356-EP model supports defense and aerospace applications, adhering to AQEC standards.
- Industrial Automation: Used in various industrial automation applications requiring precise acceleration measurements.
- Robotics and Motion Control: Suitable for robotics and motion control systems that demand high accuracy and reliability.
Q & A
- What are the key features of the ADXL356 accelerometer?
The ADXL356 features low noise density, minimal 0 g offset drift, low power consumption, and user-adjustable analog output bandwidth. It also supports selectable measurement ranges and has a built-in temperature sensor.
- What are the different measurement ranges supported by the ADXL356 series?
The ADXL356B supports ±10 g and ±20 g ranges, while the ADXL356C supports ±10 g and ±40 g ranges.
- What is the power consumption of the ADXL356 in measurement and standby modes?
The ADXL356 consumes 150 μA in measurement mode and 21 μA in standby mode.
- What is the operating temperature range of the ADXL356?
The operating temperature range is -40°C to +125°C.
- Does the ADXL356 have digital output options?
No, the ADXL356 has analog output. However, the ADXL357 and ADXL357B models offer digital SPI and limited I²C interfaces.
- What is the package type and size of the ADXL356?
The ADXL356 comes in a 14-terminal, 6 mm × 5.6 mm × 2.2 mm LCC package.
- What are some common applications of the ADXL356?
Common applications include condition-based monitoring, tilt measurement, defense and aerospace, industrial automation, and robotics and motion control.
- Does the ADXL356 have any specific certifications or standards?
Yes, the ADXL356-EP model supports defense and aerospace applications and adheres to AQEC standards.
- How does the ADXL356 handle noise and drift?
The ADXL356 features ultralow noise spectral density of 75 μg/√Hz and minimal 0 g offset drift over temperature, ensuring high precision and stability.
- Can the ADXL356 be used in high vibration environments?
Yes, the ADXL357B model is particularly robust and suitable for tilt sensing in high vibration environments.
