ADXL382
Low Noise, Low Power, Wide Bandwidth, 3-Axis MEMS Accelerometer
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Features
- Ultra low noise density: 44 μg/√Hz (XY), 55 μg/√Hz (Z)
- Low power consumption
- High performance: 520 μA
- Ultra low power: 33 μA
- Wide bandwidth: 8 kHz
- Relative flatness with equalization: <0.5 dB
- Relative flatness without equalization: <3.5 dB
- Low latency: group delay: <85 μs
- Digital features
- 16-bit ADC
- Multiprotocol serial interfaces: SPI or I2C
- Multiprotocol audio data output: I2S, TDM, and PDM
- Programmable LPF and HPF
- Data synchronous or asynchronous sampling
- Output FIFO: 320 word
- 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: 2.25 V to 3.6 V (or V1P8 at 1.8 V)
- VDDIO: 1.14 V to 3.6 V (1.62 V to 3.6 V for full temperature range)
- Electromechanical self test
- 10,000 g shock survival
- RoHS compliant
- Operating temperature range: −40°C to +125°C
- 14-terminal, 2.9 mm × 2.8 mm × 0.87 mm, LGA plastic package
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The ADXL382 is a low noise density, low power, 3-axis accelerometer with selectable measurement ranges. The ADXL382 supports ±15 g, ±30 g, and ±60 g ranges.
The ADXL382 offers industry leading noise, enabling precision applications with minimal calibration. The low noise and low power of the ADXL382 enables accurate measurements of audio signals or heart sounds even in high vibration environments.
The ADXL382 multifunction pin names may be referenced only by their relevant function for either the serial peripheral interface (SPI) or inter-IC (I2C) interface, or these pin names can be referenced by their audio function (pulse density modulation (PDM), inter-IC sound (I2S), or time division multiplexing (TDM)).
In addition to its low power consumption, the ADXL382 has many features to enable true system level performance. These features include a built-in micropower temperature sensor, single tap, double tap, or triple tap detection, and a state machine to prevent false triggering. In addition, the ADXL382 has provisions for external control of the sampling time and/or an external clock.
The ADXL382 operates on a wide, 2.25 V to 3.6 V supply range (or 1.8 V supply) and can interface, if necessary, to a host operating on a separate supply voltage. The ADXL382 is available in a 14-terminal, 2.9 mm × 2.8 mm × 0.87 mm, LGA package.
APPLICATIONS
- Condition-based monitoring
- Structural health monitoring
- Seismic Imaging
- Robotics
- Audio and active noise cancellation (ANC)
- Wearables and low power motion detection
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ADXL382
Documentation
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Data Sheet
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Documentation
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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| ADXL382-1BCCZ-RL |
14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
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| ADXL382-1BCCZ-RL7 |
14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
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| ADXL382-2BCCZ-RL |
14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
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| ADXL382-2BCCZ-RL7 |
14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
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- ADXL382-1BCCZ-RL
- Pin/Package Drawing
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14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- ADXL382-1BCCZ-RL7
- Pin/Package Drawing
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14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
- Documentation
-
HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- ADXL382-2BCCZ-RL
- Pin/Package Drawing
-
14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- ADXL382-2BCCZ-RL7
- Pin/Package Drawing
-
14-Lead LGA (2.9 mm x 2.8 mm x 0.87 mm)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
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SamacSys
Evaluation Kits 2
EVAL-ADIS-MCBZ
EVAL-ADIS-MCBZ User Guide
Features and Benefits
- Plug and play rapid evaluation of the ADI MEMS sensor
- Supports the broad range of the ADI MEMS sensor family
- PC-based evaluation software with user friendly graphical interface
- Self contained data capture with battery and SD memory card
- On-board bluetooth low energy (BLE) module
Product Detail
This user guide provides an overview of using the EVAL-ADISMCBZ, including instructions for the motion capture board (MCB) hardware setup and software functions. The EVAL-ADIS-MCBZ supports a wide array of Analog Devices, Inc., sensor families (ADXL, ADIS, and ADXRS). It easily communicates with sensors and captures data by connecting the hardware to a PC and running the evaluation software. The graphical user interface (UI) of the software allows plotting and storing sensor data for postcapture analysis.
Resources
EVAL-ADXL382
Evaluating the ADXL382 Low Noise, Low Power, Wide Bandwidth, 3-Axis MEMS Accelerometer
Product Detail
This user guide provides an overview of using the EVAL-ADXL382- BB-1Z (breakout board for the SPI variant of the ADXL382), EVAL-ADXL382-BB-2Z (breakout board for the I2C variant of the ADXL382), EVAL-ADXL382-EB-1Z (evaluation board for the SPI variant of the ADXL382), or EVAL-ADXL382-BB-2Z (evaluation board for the I2C variant of the ADXL382) evaluation board as a PC-based solution for evaluating the ADXL382 microelectromechanical systems (MEMS) accelerometer. These evaluation boards use the motion capture board (MCB) from the EVAL-ADIS-MCBZ platform for ease of communication and data collection using the graphical user interface (GUI). Go to the EVAL-ADIS-MCBZ web page to download the software and its user guide, which details the installation process and the software features. This user guide gives an overview of using one of the ADXL382 evaluation boards available, detailing their functionality with provided examples where relevant.
Figure 1 shows the required hardware components for the ADXL382 evaluation system. The EVAL-ADIS-MCBZ is the controller board that provides a means of communication with the EVALADXL382- BB-1Z, EVAL-ADXL382-BB-2Z, EVAL-ADXL382-EB-1Z, or EVAL-ADXL382-BB-2Z evaluation board from the PC.
For full details on the ADXL382, see the ADXL382 data sheet, which should be consulted in conjunction with this user guide when using the EVAL-ADXL382-BB-1Z, EVAL-ADXL382-BB-2Z, EVALADXL382- EB-1Z, or EVAL-ADXL382-BB-2Z evaluation board.