Overview
The ADXL354BEZ, produced by Analog Devices Inc., is a high-performance, low-noise, 3-axis accelerometer. This device is part of the ADXL35x series, which includes both analog output (ADXL354) and digital output (ADXL355) variants. The ADXL354BEZ is known for its excellent long-term stability, minimal offset drift over temperature, and ultralow noise density, making it suitable for precision applications with minimal calibration. It is highly integrated in a compact form factor, ideal for various applications including IoT sensor nodes and other wireless product designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Measurement Ranges | ±2 g, ±4 g (ADXL354B), ±2 g, ±8 g (ADXL354C) | |||
| 0 g Offset vs. Temperature | -0.15 | ±0.02 | +0.15 | mg/°C |
| Noise Spectral Density | 22.5 | μg/√Hz | ||
| Current in Measurement Mode | 150 | μA (VSUPPLY LDO regulator enabled) | ||
| Current in Standby Mode | 21 | μA (VSUPPLY LDO regulator enabled) | ||
| Operating Temperature Range | -40 | +125 | °C | |
| Package Dimensions | 6 mm × 5.6 mm × 2.2 mm | |||
| Voltage Range | 2.25 | 3.6 | V (VSUPPLY with internal regulators) |
Key Features
- Hermetic package offering excellent long-term stability.
- Ultralow noise density: 22.5 μg/√Hz.
- Low power consumption: 150 μA in measurement mode and 21 μA in standby mode.
- User-adjustable analog output bandwidth for ADXL354.
- Electromechanical self-test and integrated temperature sensor.
- Digital SPI and I2C interfaces supported for ADXL355.
- 20-bit ADC and programmable high- and low-pass digital filters for ADXL355.
Applications
- Inertial measurement units (IMUs) and altitude and heading reference systems (AHRS).
- Platform stabilization systems.
- Structural health monitoring.
- Seismic imaging.
- Tilt sensing.
- Robotics.
- Condition monitoring.
Q & A
- What are the measurement ranges supported by the ADXL354BEZ?
The ADXL354B supports ±2 g and ±4 g ranges, while the ADXL354C supports ±2 g and ±8 g ranges.
- What is the noise spectral density of the ADXL354BEZ?
The noise spectral density is 22.5 μg/√Hz.
- What is the power consumption of the ADXL354BEZ in measurement mode?
The power consumption is 150 μA when the LDO regulator is enabled.
- What interfaces are supported by the ADXL355 variant?
The ADXL355 supports digital SPI and I2C interfaces.
- What is the operating temperature range of the ADXL354BEZ?
The operating temperature range is -40°C to +125°C.
- What package dimensions does the ADXL354BEZ have?
The package dimensions are 6 mm × 5.6 mm × 2.2 mm.
- Does the ADXL354BEZ have an integrated temperature sensor?
- What are the voltage range options for the ADXL354BEZ?
The voltage range options are 2.25 V to 3.6 V with internal regulators, and 1.8 V typical ± 10% with internal LDO regulator bypassed.
- Is the ADXL354BEZ suitable for IoT applications?
- What is the 0 g offset drift over temperature for the ADXL354BEZ?
