ADXL345 Accelerometer: Datasheet, Pinout and Alternatives
ANALOG DEVICES - ADXL345BCCZ - MEMS Accelerometer, 3-Axis, Digital, X, Y, Z, ± 2g, ± 4g, ± 8g, ± 16g, 2 V, 3.6 V, LGA









ANALOG DEVICES - ADXL345BCCZ - MEMS Accelerometer, 3-Axis, Digital, X, Y, Z, ± 2g, ± 4g, ± 8g, ± 16g, 2 V, 3.6 V, LGA
The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer. This article mainly covers pinout, datasheet, applications, features, and more details about ADXL345.

How To Track Orientation with Arduino | ADXL345 Accelerometer Tutorial
ADXL345 Pinout

ADXL345 Pinout
| Pin Name | Pin Configuration |
| GND | Ground Pin |
| VCC | Power Supply pin (3V to 6V) |
| CS | Chip Select Pin |
| INT1 | Interrupt 1 Output |
| INT2 | Interrupt 2 Output |
| SDO | Serial Data Output |
| SDA | Serial Data Input & Output |
| SCL | Serial Communication Clock |
ADXL345 CAD Model
Symbol

Symbol
Footprint

Footprint
3D Model

3D Model
ADXL345 Description
The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as a 16-bit twos complement and is accessible through either an SPI (3- or 4-wire) or I2C digital interface.
Specifications
- TypeParameter
- Lifecycle Status
Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.
PRODUCTION (Last Updated: 4 weeks ago) - Factory Lead Time20 Weeks
- Contact Plating
Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.
Gold - Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
14-VFLGA - Surface Mount
having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.
YES - Number of Pins14
- Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~85°C TA - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tray - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e4 - Pbfree Code
The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.
no - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
3 (168 Hours) - Number of Terminations14
- ECCN Code
An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.
EAR99 - TypeDigital
- HTS Code
HTS (Harmonized Tariff Schedule) codes are product classification codes between 8-1 digits. The first six digits are an HS code, and the countries of import assign the subsequent digits to provide additional classification. U.S. HTS codes are 1 digits and are administered by the U.S. International Trade Commission.
9031.80.80.85 - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
2V~3.6V - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
BOTTOM - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
BUTT - Peak Reflow Temperature (Cel)
Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.
260 - Number of Functions1
- Supply Voltage
Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.
2.5V - Terminal Pitch
The center distance from one pole to the next.
0.8mm - Depth
In electronic components, "Depth" typically refers to the measurement of the distance from the front to the back of the component. It is an important parameter to consider when designing or selecting components for a project, as it determines how much space the component will occupy within a circuit or device. The depth of a component can impact the overall size and layout of the circuit board or enclosure in which it will be installed. It is usually specified in millimeters or inches and is crucial for ensuring proper fit and functionality within the intended application.
3mm - Time@Peak Reflow Temperature-Max (s)
Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.
30 - Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
ADXL345 - Pin Count
a count of all of the component leads (or pins)
14 - Output Type
The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.
I2C, SPI - Supply Voltage-Max (Vsup)
The parameter "Supply Voltage-Max (Vsup)" in electronic components refers to the maximum voltage that can be safely applied to the component without causing damage. It is an important specification to consider when designing or using electronic circuits to ensure the component operates within its safe operating limits. Exceeding the maximum supply voltage can lead to overheating, component failure, or even permanent damage. It is crucial to adhere to the specified maximum supply voltage to ensure the reliable and safe operation of the electronic component.
3.6V - Power Supplies
an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?
2.5V - Supply Voltage-Min (Vsup)
The parameter "Supply Voltage-Min (Vsup)" in electronic components refers to the minimum voltage level required for the component to operate within its specified performance range. This parameter indicates the lowest voltage that can be safely applied to the component without risking damage or malfunction. It is crucial to ensure that the supply voltage provided to the component meets or exceeds this minimum value to ensure proper functionality and reliability. Failure to adhere to the specified minimum supply voltage may result in erratic behavior, reduced performance, or even permanent damage to the component.
2V - Operating Supply Current
Operating Supply Current, also known as supply current or quiescent current, is a crucial parameter in electronic components that indicates the amount of current required for the device to operate under normal conditions. It represents the current drawn by the component from the power supply while it is functioning. This parameter is important for determining the power consumption of the component and is typically specified in datasheets to help designers calculate the overall power requirements of their circuits. Understanding the operating supply current is essential for ensuring proper functionality and efficiency of electronic systems.
145μA - Nominal Supply Current
Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.
140μA - -3db Bandwidth
The "-3dB bandwidth" of an electronic component refers to the frequency range over which the component's output signal power is reduced by 3 decibels (dB) compared to its maximum output power. This parameter is commonly used to describe the frequency response of components such as amplifiers, filters, and other signal processing devices. The -3dB point is significant because it represents the half-power point, where the output signal power is reduced to half of its maximum value. Understanding the -3dB bandwidth is important for designing and analyzing electronic circuits to ensure that signals are accurately processed within the desired frequency range.
1.6 kHz - Axis
In electronic components, the parameter "Axis" typically refers to the orientation or direction along which a specific characteristic or measurement is being considered. For example, in a sensor or accelerometer, the axis may indicate the direction in which the device is measuring acceleration. In a motor or actuator, the axis may refer to the direction of movement or rotation.Understanding the axis of a component is crucial for proper installation, calibration, and operation. It helps in determining how the component will interact with other parts of a system and how its performance can be optimized. Different components may have multiple axes to consider, especially in complex systems where movement or measurements occur in multiple directions.Overall, the axis parameter provides important information about the spatial orientation or directionality of an electronic component, guiding engineers and technicians in effectively utilizing the component within a larger system.
X, Y, Z - Acceleration Range
The "Acceleration Range" parameter in electronic components refers to the range of acceleration levels that the component can withstand without experiencing damage or malfunction. This parameter is particularly important for components that are used in applications where they may be subjected to varying levels of acceleration, such as in automotive or aerospace systems. The acceleration range is typically specified in units of gravity (g) and indicates the maximum and minimum levels of acceleration that the component can tolerate while still operating within its specified performance limits. It is crucial to consider the acceleration range when selecting components for applications where acceleration levels may vary significantly to ensure reliable and safe operation.
±2g, 4g, 8g, 16g - Sensitivity (mV/G)
The parameter "Sensitivity (mV/G)" in electronic components refers to the ratio of the output voltage of a sensor to the applied mechanical input in terms of acceleration or force, typically measured in millivolts per unit of gravitational force (G). This parameter indicates how effectively the sensor converts mechanical input into electrical output signals. A higher sensitivity value means that the sensor can detect smaller changes in the input and produce a larger output signal, making it more responsive and accurate in measuring the applied force or acceleration. Understanding the sensitivity of a sensor is crucial for selecting the appropriate component for specific applications where precise measurements are required.
282 mV/g - Features
In the context of electronic components, the term "Features" typically refers to the specific characteristics or functionalities that a particular component offers. These features can vary depending on the type of component and its intended use. For example, a microcontroller may have features such as built-in memory, analog-to-digital converters, and communication interfaces like UART or SPI.When evaluating electronic components, understanding their features is crucial in determining whether they meet the requirements of a particular project or application. Engineers and designers often look at features such as operating voltage, speed, power consumption, and communication protocols to ensure compatibility and optimal performance.In summary, the "Features" parameter in electronic components describes the unique attributes and capabilities that differentiate one component from another, helping users make informed decisions when selecting components for their electronic designs.
Adjustable Bandwidth - Sensitivity (LSB/g)
The parameter "Sensitivity (LSB/g)" in electronic components refers to the sensitivity of a sensor or device in terms of the number of least significant bits (LSBs) of output change per unit of acceleration (g). LSB is the smallest change in the digital output of a sensor. This parameter helps to quantify the resolution and accuracy of the sensor in detecting changes in acceleration. A higher sensitivity value indicates that the sensor can detect smaller changes in acceleration, while a lower sensitivity value means that larger changes in acceleration are needed to produce a noticeable output change. It is an important specification to consider when selecting a sensor for applications that require precise measurement of acceleration.
256 (±2g) ~ 32 (±16g) - Height980μm
- Length5mm
- Width3mm
- REACH SVHC
The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.
No SVHC - Radiation Hardening
Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.
No - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant - Lead Free
Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.
Contains Lead
ADXL345 Functional Block Diagram

ADXL345 Functional Block Diagram
ADXL345 Features
3V-6V DC Supply Voltage
On-board LDO Voltage regulator
Built-in Voltage level convertor (MOSFET based)
It can be interface with 3.3V or 5V Microcontroller.
Ultra-Low Power: 40uA in measurement mode, 0.1uA in standby@ 2.5V
Tap/Double Tap Detection
Free-Fall Detection
SPI and I2C interfaces
Measuring Range: ±16g
Measuring Values (-16g to +16g):
X: -235 to +270
Y: -240 to +260
Z: -240 to +270
ADXL345 Applications
Handsets
Medical instrumentation
Gaming and pointing devices
Industrial instrumentation
Personal navigation devices
Hard disk drive (HDD) protection
ADXL345 Alternatives
ADXL335 Accelerometer Module, HMC5883L Magnetometer Module, Soil Moisture Sensor
How to use ADXL345
The circuit for the ADXL345 accelerometer is pretty straightforward and doesn’t require any complex parts or wiring and can be connected directly to the Arduino.

Below we have included all the steps that you will need to follow to connect the ADXL345 accelerometer to an Arduino Uno.
Wire the GND pin of the ADXl345 to the GND Pin on the Arduino.
Wire the VCC pin of the ADXL345 to the 3v3 Pin on the Arduino.
Wire the SCL pin of the ADXL345 to the SCL Pin on the Arduino.
Wire the SDA pin of the ADXL345 to the SCL Pin on the Arduino.
Where to use ADXL345
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°.
ADXL345 Package

ADXL345 Package
ADXL345 Manufacturer
Analog Devices is an international market leader in the design, production, and commercialization of a large range of high-performance integrated circuits (ICs) for analog, mixed-signal, and digital signals (DSP) processing of almost all electronic systems. Since we started in 1965, the focus has been on the engineering challenge in electronic equipment related to signal to process. Our signal processing solutions, utilized by over 100,000 customers worldwide, play a key role in the conversion, conditioning, and processing of real-world events such as temperature, pressure, sonority, illumination, speed, and movement to electric signals for a wide range of electronic devices.
Parts with Similar Specs
- ImagePart NumberManufacturerPackage / CaseNumber of PinsBandwidthNominal Supply CurrentSupply VoltageRoHS StatusOperating TemperatureSubcategoryView Compare
ADXL345BCCZ
14-VFLGA
14
0.05Hz ~ 1.6kHz
140 μA
2.5 V
ROHS3 Compliant
-40°C ~ 85°C (TA)
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650 μA
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Trend Analysis
Datasheet PDF
- Datasheets :
- Other Related Documents :
- PCN Assembly/Origin :
- Design Resources :
- PCN Design/Specification :
- ConflictMineralStatement :
What is ADXL345 used for?
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°
How does ADXL345 work?
It is a digital accelerometer sensor and outputs digital values of acceleration in three axes. The sensor outputs data formatted as a 16-bit two's complement that is accessible via SPI or I2C interfaces. ADXL345 measures static acceleration due to gravity as well as dynamic acceleration resulting from motion or shock.
Is ADXL345 analog or digital?
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.
How many pins consist of ADXL345 accelerometer module?
ADXL345 Accelerometer module consists of 8 pins.
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