Overview
The ADXL359BCCZ-RL7, produced by Analog Devices Inc., is a low noise density, low 0 g offset drift, and low power 3-axis microelectromechanical system (MEMS) accelerometer. This device is designed for precision applications requiring minimal calibration and offers industry-leading noise performance and long-term stability. It is particularly suited for environments with high vibration, such as airborne inertial measurement units (IMUs) and condition monitoring.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Measurement Ranges | ±10 g, ±20 g, ±40 g | - |
| Supply Voltage | 2.25 V to 3.6 V | V |
| Operating Temperature Range | −40°C to +125°C | °C |
| Package Type | 14-terminal LGA (4 mm × 4 mm × 1.04 mm) | - |
| Noise Density | 80 μg/√Hz | μg/√Hz |
| 0 g Offset Drift vs. Temperature | 0.45 mg/°C typical | mg/°C |
| Current Consumption (Measurement Mode) | 200 μA | μA |
| Current Consumption (Standby Mode) | 21 μA | μA |
| Interface Type | Digital SPI and limited I2C | - |
| ADC Resolution | 20-bit | - |
Key Features
- Programmable high-pass and low-pass digital filters to maintain excellent noise performance at various output data rates (ODRs).
- Integrated temperature sensor for temperature compensation.
- Voltage range options with internal regulators: 2.25 V to 3.6 V, and V1P8ANA, V1P8DIG with internal LDO regulator bypassed: 1.8 V typical ± 10%.
- Low power consumption: 200 μA in measurement mode and 21 μA in standby mode.
- 20-bit Σ-Δ ADC for high-resolution digitization of the filtered analog signal.
- Self-test feature to ensure accurate measurement even in the presence of external mechanical noise.
Applications
- Inertial Measurement Units (IMUs) and altitude and heading reference systems (AHRSs).
- Platform stabilization systems.
- Vibration sensing and structural health monitoring.
- Tilt sensing in high vibration environments.
- Robotics and condition monitoring.
Q & A
- What are the measurement ranges supported by the ADXL359BCCZ-RL7?
The ADXL359BCCZ-RL7 supports measurement ranges of ±10 g, ±20 g, and ±40 g.
- What is the operating temperature range of the ADXL359BCCZ-RL7?
The operating temperature range is −40°C to +125°C.
- What types of interfaces does the ADXL359BCCZ-RL7 support?
The device supports digital SPI and limited I2C interfaces.
- What is the noise density of the ADXL359BCCZ-RL7?
The noise density is 80 μg/√Hz.
- Does the ADXL359BCCZ-RL7 have an integrated temperature sensor?
Yes, it includes an integrated temperature sensor for temperature compensation.
- What is the power consumption of the ADXL359BCCZ-RL7 in measurement and standby modes?
In measurement mode, it consumes 200 μA, and in standby mode, it consumes 21 μA.
- What is the resolution of the ADC in the ADXL359BCCZ-RL7?
The ADC resolution is 20-bit.
- What are some of the key applications of the ADXL359BCCZ-RL7?
Key applications include IMUs, AHRSs, platform stabilization, vibration sensing, structural health monitoring, tilt sensing, robotics, and condition monitoring.
- Does the ADXL359BCCZ-RL7 have programmable digital filters?
Yes, it features programmable high-pass and low-pass digital filters.
- What is the package type and dimensions of the ADXL359BCCZ-RL7?
The package type is a 14-terminal LGA with dimensions of 4 mm × 4 mm × 1.04 mm.
