ADXL355BEZ

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1. Describe

The analog output ADXL354 and digital output ADXL355BEZ are low noise density, low 0 g offset drift, low power, 3-axis accelerometers with selectable measurement ranges. The ADXL354B supports ±2 g and ±4 g ranges, the ADXL354C supports ±2 g and ±8 g ranges, and the ADXL355BEZ supports ±2 g, ±4 g, and ±8 g ranges. The ADXL354/ADXL355BEZ offer industry-leading noise, minimal offset drift over temperature, and long-term stability, enabling precision applications that require minimal calibration. Highly integrated in a compact form factor, the low-power ADXL355BEZ is ideal for Internet of Things (IoT) sensor node and other wireless product designs. ADXL355BEZ multifunction pin names can only be referenced by the relevant function of the serial peripheral interface (SPI) or I2C interface

2. Feature

    1. Hermetically sealed package provides the best long-term stability

    2. 0 g offset vs temperature (all axes): 0.15 mg/°C max

    3. Ultra-low noise spectral density, all axes: 22.5 μg/√Hz

    4. Low power consumption, VSUPPLY (with LDO regulator enabled)

        - ADXL354 in measure mode: 150 μA

        - ADXL355 in measure mode: 200 μA

        - ADXL354/ADXL355 in standby mode: 21 μA

    5. ADXL354 has user-adjustable analog output bandwidth

    6. ADXL355 Digital Output Characteristics

        - Supports digital SPI and I2C interfaces

        - 20-bit ADC

        - Data interpolation routines for simultaneous sampling

        - Programmable high-pass and low-pass digital filters

    7. Electromechanical self-inspection

    8. Integrated temperature sensor

    9. Voltage Range Options

        - VSUPPLY with internal regulator: 2.25 V to 3.6 V

        - V1P8ANA, V1P8DIG Internal LDO regulator with bypass: 1.8 V typical ± 10%

  10. Operating temperature range: −40°C to +125°C

3. Application

    1. Inertial Measurement Unit (IMU)/Attitude and Heading Reference System (AHRS)

    2. Platform stabilization system

    3. Structural health monitoring

    4. Seismic Imaging

    5. Tilt sensing

    6. Robot

    7. Status monitoring

4. Pin configuration