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Features
- 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
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The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface.
The ADXL345 is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0°.
Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion by comparing the acceleration on any axis with user-set thresholds. Tap sensing detects single and double taps in any direction. Free-fall sensing detects if the device is falling. These functions can be mapped individually to either of two interrupt output pins. An integrated memory management system with a 32-level first in, first out (FIFO) buffer can be used to store data to minimize host processor activity and lower overall system power consumption.
Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation.
The ADXL345 is supplied in a small, thin, 3 mm × 5 mm × 1 mm, 14-lead, plastic package.
- ADXL345-EP Supports defense and aerospace applications (AQEC)
APPLICATIONS
- Handsets
- Medical instrumentation
- Gaming and pointing devices
- Industrial instrumentation
- Personal navigation devices
- Hard disk drive (HDD) protection
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ADXL345
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ADXL345: 3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelerometer Data Sheet (Rev.G)
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AN-1588: Sensing Low-g Acceleration Using the ADXL345 Digital Accelerometer Connected to the ADuC7024 Precision Analog Microcontroller (Rev.A)
AN-1077: ADXL345 Quick Start Guide
AN-1063: Oversampling Technique to Improve ADXL345 Output Resolution
AN-1057: Using an Accelerometer for Inclination Sensing
AN-1025: Utilization of the First In, First Out (FIFO) Buffer in Analog Devices, Inc. Digital Accelerometers
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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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| ADXL345BCCZ |
14-Lead LGA (5mm x 3mm)
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| ADXL345BCCZ-RL |
14-Lead LGA (5mm x 3mm)
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| ADXL345BCCZ-RL7 |
14-Lead LGA (5mm x 3mm)
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| ADXL345TCCZ-EP |
14-Lead LGA (5mm x 3mm)
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| ADXL345TCCZ-EP-RL |
14-Lead LGA (5mm x 3mm)
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| ADXL345TCCZ-EP-RL7 |
14-Lead LGA (5mm x 3mm)
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PCN
Dec 6, 2013
- 13_0321
ADXL345, ADXL346, ADXL337 Die Revision
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Oct 17, 2013
- 13_0021
Qualification of Second Source Supplier for Seal Glass on Capped iMEMS Devices
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
ADXL345TCCZ-EP
PRODUCTION
ADXL345TCCZ-EP-RL
Obsolete
ADXL345TCCZ-EP-RL7
PRODUCTION
May 15, 2012
- 12_0092
Transfer ADXL345 sensor wafer fabrication to the TSMC 8" MEMS only process.
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Jun 21, 2011
- 11_0093
ADXL345 ASIC Alternate Manufacturing Site for Wafer Fab
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Nov 23, 2010
- 10_0327
ADXL345 Die Revision and Datasheet Change
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Apr 5, 2010
- 10_0038
ADXL345 Die Revision and Data Sheet Specification Change
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Mar 19, 2009
- 08_0150
ADXL335 and ADXL345 family of parts, Capping Process Transfer
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Mar 19, 2009
- 09_0037
ADXL335 and ADXL345 Sensor Release Process Transfer
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Apr 21, 2023
- 23_0054
Qualification of Alternate Wafer Fab Site for MEMS Products - ADXL345-EP, ADXL350, ADXL375
ADXL345TCCZ-EP
PRODUCTION
ADXL345TCCZ-EP-RL7
PRODUCTION
Apr 11, 2014
- 13_0321
ADXL345, ADXL346, ADXL337 Die Revision
ADXL345TCCZ-EP
PRODUCTION
ADXL345TCCZ-EP-RL
Obsolete
ADXL345TCCZ-EP-RL7
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Jul 13, 2016
- 16_0050
ADI Corporate Obsolescence Notice-2016 (Standard Products)
ADXL345TCCZ-EP-RL
Obsolete
Filter by Model
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PCN
Dec 6, 2013
- 13_0321
ADXL345, ADXL346, ADXL337 Die Revision
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Oct 17, 2013
- 13_0021
Qualification of Second Source Supplier for Seal Glass on Capped iMEMS Devices
ADXL345BCCZ
PRODUCTION
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PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
ADXL345TCCZ-EP
PRODUCTION
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Obsolete
ADXL345TCCZ-EP-RL7
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May 15, 2012
- 12_0092
Transfer ADXL345 sensor wafer fabrication to the TSMC 8" MEMS only process.
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Jun 21, 2011
- 11_0093
ADXL345 ASIC Alternate Manufacturing Site for Wafer Fab
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Nov 23, 2010
- 10_0327
ADXL345 Die Revision and Datasheet Change
ADXL345BCCZ
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ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Apr 5, 2010
- 10_0038
ADXL345 Die Revision and Data Sheet Specification Change
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Mar 19, 2009
- 08_0150
ADXL335 and ADXL345 family of parts, Capping Process Transfer
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Mar 19, 2009
- 09_0037
ADXL335 and ADXL345 Sensor Release Process Transfer
ADXL345BCCZ
PRODUCTION
ADXL345BCCZ-RL
PRODUCTION
ADXL345BCCZ-RL7
PRODUCTION
Apr 21, 2023
- 23_0054
Qualification of Alternate Wafer Fab Site for MEMS Products - ADXL345-EP, ADXL350, ADXL375
ADXL345TCCZ-EP
PRODUCTION
ADXL345TCCZ-EP-RL7
PRODUCTION
Apr 11, 2014
- 13_0321
ADXL345, ADXL346, ADXL337 Die Revision
ADXL345TCCZ-EP
PRODUCTION
ADXL345TCCZ-EP-RL
Obsolete
ADXL345TCCZ-EP-RL7
PRODUCTION
Jul 13, 2016
- 16_0050
ADI Corporate Obsolescence Notice-2016 (Standard Products)
Software & Part Ecosystem
FPGA/HDL
Device Drivers
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Request a Driver/SoftwareEvaluation Kits 4
EVAL-MST-ISEB
Real Time Eval System for Digital Output Sensor
Product Detail
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
ZIP
12.78 M
ZIP
7.82 M
ZIP
140.99 M
ZIP
3.33 M
ZIP
7.84 M
ZIP
6.71 M
ZIP
7.8 M
ZIP
7.88 M
ZIP
7.87 M
ZIP
7.92 M
EVAL-ADXL345-ISEB
ADXL345-ISEB Evaluation Board
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 Detail
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-ADXL345Z-DB
ADXL345 Datalogger / Development Board
Product Detail
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.
Resources
EVAL-ADXL345Z
ADXL345 Breakout Board
Product Detail
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.
Resources
98 kB
Tools & Simulations 2
IBIS Model 1
IBIS Model
ADXL345/6 Accelerometer FIFO Over-sampling Calculator
Reference Designs 2
Terasic DE10-Nano Kit
Circuits from the lab
Info:Circuits from the lab
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
Part Used 18
CN0133
Sensing Low-g Acceleration Using the ADXL345 Digital Accelerometer Connected to the ADuC7024 Precision Analog Microcontroller
Circuits from the lab
Info:Circuits from the lab
