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特性
- 0 g offset vs. temperatures (all axes): 0.75mg/°C maximum
- Ultralow noise spectral density (all axes): 75 µg/√Hz
- Low power, VSUPPLY (LDO regulator enabled)
- ADXL356 in measurement mode: 150 µA
- ADXL357/ADXL357B in measurement mode: 200 µA
- ADXL356/ADXL357/ADXL357B in standby mode: 21 µA
- ADXL356 has user adjustable analog output bandwidth
- ADXL357/ADXL357B digital output features
- Digital SPI and limited I2C interfaces supported
- 20-bit ADC
- Data interpolation routine for synchronous sampling
- Programmable high- and low-pass digital filters
- Integrated temperature sensor
- Voltage range options
- VSUPPLY with integral regulators: 2.25 V to 3.6 V
- V1P8ANA, V1P8DIG with internal LDO regulator bypassed: 1.8 V typical ± 10%
- Operating temperature range: -40°C to +125°C
- 14-terminal, 6 mm × 5.6 mm × 2.2 mm, LCC package
产品详情和应用
The analog output ADXL356 and the digital outputs ADXL357 and ADXL357B are low noise density, low 0 g offset drift, low power, 3-axis accelerometers with selectable measurement ranges. The ADXL356B supports the ±10 g and ±20 g ranges, the ADXL356C supports the ±10 g and ±40 g ranges, and the ADXL357 and ADXL357B support the ±10 g, ±20 g, and ±40 g ranges.
The ADXL356/ADXL357/ADXL357B1 offer industry leading noise, minimal offset drift over temperature, and long-term stability, enabling precision applications with minimal calibration.
The low drift, low noise, and low power ADXL357 and ADXL357B enable accurate tilt measurement. The ADXL357B is more robust/suitable for tilt sensing in high vibration environments. The low noise of the ADXL356 over higher frequencies is ideal for condition-based monitoring and other vibration sensing applications.
The ADXL357 and ADXL357B multifunction pin names may be referenced only by their relevant function for either the serial peripheral interface (SPI) or limited I2C interface.
Applications
- Inertial measurement units (IMUs)/altitude and heading reference systems (AHRSs)
- Platform stabilization systems
- Structural health monitoring
- Seismic imaging
- Tilt sensing
- Robotics
- Condition monitoring
