Geri dön - Analog Devices Inc.

Analog Devices Inc. ADXL382 3-Axis MEMS Accelerometers

Analog Devices ADXL382 3-Axis MEMS Accelerometers support selectable measurement ranges of ±15g, ±30g, and ±60g. The low-noise density and low-power 3-axis accelerometers feature industry-leading noise, allowing precision applications with minimal calibration. The ADXL382 accurately measures audio signals or heart sounds even in high-vibration environments. The ADI ADXL382 multifunction pin names are only referenced by the relevant function for either the serial peripheral interface (SPI) or inter-IC (I2C) interface or by audio function (pulse density modulation (PDM), inter-IC sound (I2S), or time division multiplexing (TDM).

The ADXL382's low power consumption offers many features to facilitate system-level performance. These features incorporate a built-in micropower temperature sensor, single tap, double tap, and triple tap detection, and a state machine to prevent false triggering. The ADXL382 has conditions for external control of the sampling time and an external clock.

The ADXL382 has a 2.25V to 3.6V wide operating supply range (or 1.8V supply) and can interface, if required, to a host operating on a separate supply voltage. The device is engineered in a 14-terminal, 2.9mm x 2.8mm x 0.87mm LGA package.

Features

  • Ultra-low noise density of 44µg/√Hz (XY) and 55µg/√Hz (Z)
  • Low power consumption
    • 520µA high performance
    • 33µA ultra-low power
  • 8kHz Wide bandwidth
    • <0.5dB relative flatness with equalization
    • <3.5dB relative flatness without equalization
  • Low latency group delay <85µs
  • Digital features
    • 16-bit ADC
    • Multiprotocol serial interfaces of SPI or I2C
    • Multiprotocol audio data output of I2S, TDM, and PDM
    • Programmable LPF and HPF
    • Data synchronous or asynchronous sampling
    • 320-word output FIFO
  • Built-in features for system-level power savings
    • Single tap, double tap, and triple tap detection
    • Activity and inactivity detection
    • Configurable interrupt modes
  • Integrated temperature sensor
  • Voltage range options
    • VS with internal regulators at 2.25V to 3.6V (or V1P8 at 1.8V)
    • VDDIO of 1.14V to 3.6V (1.62V to 3.6V for full temperature range)
  • Electromechanical self-test
  • 10,000g mechanical shock survival
  • RoHS compliant
  • -40°C to +125°C operating temperature range
  • 14-terminal, 2.9mm x 2.8mm × 0.87mm, LGA package

Applications

  • Condition-based monitoring
  • Structural health monitoring
  • Seismic imaging
  • Robotics
  • Audio and active noise cancellation (ANC)
  • Wearables and low-power motion detection

Videos

Functional Block Diagram

Block Diagram - Analog Devices Inc. ADXL382 3-Axis MEMS Accelerometers

Eval Boards

Analog Devices Inc. EVAL-ADXL382-BB-2Z Evaluation Board

Boards are implemented as a PC-based solution for demonstrating the ADXL382 MEMS accelerometer.

Learn MoreAnalog Devices Inc. EVAL-ADXL382-BB-2Z Evaluation Board hakkında View ProductsAnalog Devices Inc. EVAL-ADXL382-BB-2Z Evaluation Board ile ilgili
Yayınlandı: 2024-10-22 | Güncellenmiş: 2025-03-25