ADXL345

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3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelerometer

Data Sheet (Rev. G) Product Selection Table
Part Models
6
1ku List Price
Starting From $2.96
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Part Details

  • Ultralow power: as low as 23 μA in measurement mode and 0.1 μA in standby mode at VS = 2.5 V (typical)
  • Power consumption scales automatically with bandwidth
  • User-selectable resolution
    • Fixed 10-bit resolution
    • Full resolution, where resolution increases with g range, up to 13-bit resolution at ±16 g (maintaining 4 mg/LSB scale factor in all g ranges)
  • Embedded memory management system with FIFO technology minimizes host processor load
  • Single tap/double tap detection
  • Activity/inactivity monitoring
  • Free-fall detection
  • Supply voltage range: 2.0 V to 3.6 V
  • I/O voltage range: 1.7 V to VS
  • SPI (3- and 4-wire) and I2C digital interfaces
  • Flexible interrupt modes mappable to either interrupt pin
  • Measurement ranges selectable via serial command
  • Bandwidth selectable via serial command
  • Wide temperature range (−40°C to +85°C)
  • 10,000 g shock survival
  • Pb free/RoHS compliant
  • Small and thin: 3 mm × 5 mm × 1 mm LGA package

ADXL345-EP supports defense and aerospace applications (AQEC standard)

  • Download ADXL345-EP data sheet (pdf)
  • Extended industrial temperature range:  (−55°C to +105°C)
  • Controlled manufacturing baseline
  • One assembly/test site
  • One fabrication site
  • Enhanced product change notification
  • Qualification data available on request
  • V62/12657 DSCC Drawing Number
ADXL345
3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelerometer
ADXL345 Functional Block Diagram ADXL345 Pin Configuration
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Documentation

Data Sheet 3

User Guide 1

Application Note 5

Technical Articles 3

Evaluation Design File 2

Product Information 1

Frequently Asked Question 1

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Software Resources

Device Drivers 4

Tools & Simulations

IBIS Model 1

ADXL345/6 Accelerometer FIFO Over-sampling Calculator

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Evaluation Kits

eval board
schematic 1
EVAL-MST-ISEB

Real Time Eval System for Digital Output Sensor

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Product Details

The iMEMS® Real Time Eval System is an easy-to-use evaluation tool targeting bench or desktop characterization of Analog Devices, Inc., inertial sensor products. The system consists of the inertial sensor evaluation board (ISEB), or main board, and a satellite board for any Analog Devices inertial sensor product. The ISEB connects directly to a PC via an USB cable, with the USB connection providing both communications and power to the board. The ISEB is connected to the satellite board through a ribbon cable. This cable allows the satellite to be easily manipulated for testing or separately placed into an environmental chamber for temperature or humidity testing. Separating the boards mitigates corruption of data due to the temperature and humidity effects of other components.

The ISEB is an universal main board and is intended to be used with various satellites of Analog Devices inertial sensors, including analog and digital accelerometers, as well as gyroscopes. The different products are evaluated by means of separate GUIs that are customized for performance and characterization measurements relevant to the inertial sensor being evaluated.

The EVAL-ADxZ-M system contains the ISEB and the EVAL-ADxZ-S satellite. Also included is an USB A to Mini-B cable to connect the ISEB to a PC and an 18-inch, 20-pin ribbon cable to connect the ISEB to the satellite.

Resources

Software

eval board
schematic 2
EVAL-ADXL345-ISEB

ADXL345-ISEB Evaluation Board

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Features and Benefits

  • Flexible inertial sensor evaluation platform
    • Single main board operates with interchangeable satellite boards
  • Separates DUT from controller for accurate environmental testing
  • Continuous stream to file data recording
  • Standard USB cable for power and communications
  • PC-based graphical user interface (GUI)
  • Fast, easy installation

Product Details

The iMEMS® ADXL345 inertial sensor evaluation system is an easy-to-use evaluation tool targeting bench or desktop characterization of Analog Devices, Inc., inertial sensor products. The system consists of the inertial sensor evaluation board (ISEB), or main board, and a satellite board for any Analog Devices inertial sensor product. The ISEB connects directly to a PC via an USB cable, with the USB connection providing both communications and power to the board. The ISEB is connected to the satellite board through a ribbon cable. This cable allows the satellite to be easily manipulated for testing or separately placed into an environmental chamber for temperature or humidity testing. Separating the boards mitigates corruption of data due to the temperature and humidity effects of other components.

The ISEB is an universal main board and is intended to be used with various satellites of Analog Devices inertial sensors, including analog and digital accelerometers, as well as gyroscopes. The different products are evaluated by means of separate GUIs that are customized for performance and characterization measurements relevant to the inertial sensor being evaluated.

The EVAL-ADXL345Z-M system contains the ISEB and the EVAL-ADXL345Z-S satellite. Also included is an USB A to Mini-B cable to connect the ISEB to a PC and an 18-inch, 20-pin ribbon cable to connect the ISEB to the satellite.

eval board
schematic 3
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EVAL-ADXL345Z-DB

ADXL345 Datalogger / Development Board

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Features and Benefits

  • Ultralow power ADXL345 accelerometer
  • Inertial sensor development board
  • Datalogs onto MicroSD card
  • Fully programmable via serial interface; firmware examples provided
  • Battery-powered for portable applications

Product Details

The ADXL345 Development Board is an easy-to-use tool designed to shorten application development time by providing a ready-to-use platform for data collection and firmware development.

The board is pre-configured as a datalogger that can be used to gather data for refining algorithms, tuning thresholds, and generally familiarizing oneself with accelerometer data. Powered by two AAA batteries, the board is completely untethered and integrates seamlessly into portable applications. Logged data is stored on a MicroSD memory card, providing essentially unlimited memory capacity and operating system versatility. Data is stored in a text (.txt) file, so no software installation is required to operate the board or read data. A 2GB MicroSD card and a USB MicroSD card reader are provided with the board.

Additionally, the board is fully programmable, providing a hardware platform on which firmware can be tested in parallel with development of application hardware. Communications and processing are performed by an ARM7-based ADuC7024 micro-controller, and firmware is written in C. A programming cable is provided with the board, and a development environment and header files are supplied on this page. Finally, the platform can be duplicated in the final application, having already been tested with the application firmware. Schematics and layout can be found under the Supporting Documentation tab and can be used freely in your application.

Note that this board is not configured to display real-time data. For real-time evaluation of the ADXL345, please refer to the Inertial Sensor Evaluation Board. For a simple ADXL345 Breakout Board, refer to the EVAL-ADXL345Z.

eval board
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EVAL-ADXL345Z

ADXL345 Breakout Board

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Product Details

The EVAL-ADXL345Z is a simple breakout board that enables easy connection of an ADXL345 into an existing system. The ADXL345 is a digital-output, 3-axis accelerometer whose low power consumption and built-in features make it ideal for use in a wide variety of applications. Due to its small size, the EVAL-ADXL345Z has minimal effect on performance of the system and of the accelerometer, and thus it is ideal for evaluation of the ADXL345 in an existing system. Note that the ADXL345 must be communicated with digitally via SPI or I2C. No processor is included with the EVAL-ADXL345Z; firmware must be supplied externally by the user. For evaluation boards that include a processor, please see the EVAL-ADXL345Z-M and the ADXL345Z-DB.
EVAL-MST-ISEB
Real Time Eval System for Digital Output Sensor
ADXL34x-ISEB Evaluation Board
EVAL-ADXL345-ISEB
ADXL345-ISEB Evaluation Board
ADXL34x-ISEB Evaluation Board
EVAL-ADXL345Z-DB
ADXL345 Datalogger / Development Board
ADXL345Z-DB Evaluation Board ADXL345Z-DB Evaluation Board - Top View ADXL345Z-DB Evaluation Board - Bottom View
EVAL-ADXL345Z
ADXL345 Breakout Board
ADXL345 Evaluation Board ADXL345 Evaluation Board - Top View ADXL345 Evaluation Board - Bottom View

Reference Designs

DE-10 Nano Kit
DE-10 Nano Kit
DE-10 Nano Kit Block Diagram
DE-10 Nano Power Tree
Terasic DE10-Nano Kit Circuits from the lab

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Features and Benefits

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
ADXL345 and ADuC7024 in I2C Configuration
ADXL345 and ADuC7024 in I2C Configuration
CN0133 Circuits from the lab

Sensing Low-g Acceleration Using the ADXL345 Digital Accelerometer Connected to the ADuC7024 Precision Analog Microcontroller

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Features and Benefits

  • Programmable accelerometer up to 16g
  • Digital output easily connects to the sensor
  • Built in FIFO reduces work for processor
Terasic DE10-Nano Kit
DE-10 Nano Kit
DE-10 Nano Kit Block Diagram
DE-10 Nano Power Tree
CN0133
Sensing Low-g Acceleration Using the ADXL345 Digital Accelerometer Connected to the ADuC7024 Precision Analog Microcontroller
ADXL345 and ADuC7024 in I2C Configuration

Latest Discussions

17 Weeks Ago
RE: Compatibility with ADXL345 fall detection algorith
1 Years Ago
RE: What are the ADXL202, ADXL210, and ADXL345's built-in filtering settings?
View related discussion on EngineerZone®

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