LIS2DHTR Motion Sensor: 3-Axis, Application Hint, Datasheet PDF
Accelerometers MEMS 3-Axis Femto 1.71 to 3.6V 2uA LP
The LIS2DTR is an ultra-low-power high performance three-axis linear accelerometer. This article covers its datasheet, pinout, application, feature and more details about LIS2DTR.
LIS2DTR Pinout

LIS2DHTR Pinout
LIS2DTR CAD Model
Symbol

LIS2DHTR Symbol
Footprint

LIS2DHTR Footprint
3D Model

LIS2DHTR 3D Model
LIS2DTR Description
The LIS2DHTR is an ultra-low-power high-performance three-axis linear accelerometer belonging to the “femto” family, with digital I2C /SPI serial interface standard output.
The LIS2DHTR has dynamically user selectable full scales of ±2g/±4g/±8g/±16g and it is capable of measuring accelerations with output data rates
from 1 Hz to 5.3 kHz.The self-test capability allows the user to check the functioning of the sensor in the final application.
The device may be configured to generate interrupt signals by two independent inertial wake-up /free-fall events as well as by the position
of the device itself.
The LIS2DHTR is available in a small thin plastic land grid array package (LGA) and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.
LIS2DTR Feature
■ Wide supply voltage, 1.71 V to 3.6 V
■ Independent IOs supply (1.8 V) and supply voltage compatible
■ Ultra-low-power mode consumption down to 2µA
■ ±2g/±4g/±8g/±16g dynamically selectable fullscale
■ I2C/SPI digital output interface
■ 2 independent programmable interrupt generators for free-fall and motion detection
■ 6D /4D orientation detection
■ “Sleep to wake” and “return to sleep” function
■ Freefall detection
■ Motion detection
■ Embedded temperature sensor
■ Embedded FIFO
■ ECOPACK® RoHS and “Green” compliant
LIS2DTR Block Diagram
The following circuit shows the block diagram of LIS2DHTR

LIS2DHTR Block Diagram
LIS2DTR Application
■ Motion-activated functions
■ Display orientation
■ Shake control
■ Pedometer
■ Gaming and virtual reality input devices
■ Impact recognition and logging
LIS2DTR Application Hint
The device core is supplied through the Vdd line while the I/O pads are supplied through the Vdd_IO line. Power supply decoupling capacitors (100 nF ceramic, 10µF aluminium) should be placed as near as possible to pin 8 of the device (common design practice). All the voltage and ground supplies must be present at the same time to have the proper behaviour of the IC (refer to Figure below). It is possible to remove Vdd maintaining Vdd_IO without blocking the communication bus, in this condition the measurement chain is powered off.
The functionality of the device and the measured acceleration data is selectable and accessible through the I2C or SPI interfaces. When using the I2C, CS must be tied high. The functions, the threshold and the timing of the two interrupt pins (INT1 and INT2 ) can be completely programmed by the user through the I2C/SPI interface.

LIS2DHTR Application Hint-Electrical Connection
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.
ACTIVE (Last Updated: 7 months ago) - Factory Lead Time16 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.
Tape & Reel (TR) - 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 - 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
- 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.
1.71V~3.6V - 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 - 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.
LIS2DH - 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 - Power Supplies
an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?
2.5V - Interface
In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.
I2C, SPI - 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.
2μA - 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.
300μA - Sensor Type
In electronic components, the parameter "Sensor Type" refers to the specific type of sensor technology used in a particular component to detect and measure physical phenomena such as light, temperature, pressure, motion, or proximity. Different sensor types utilize various principles and mechanisms to convert the detected input into an electrical signal that can be processed by the electronic component. Common sensor types include photodiodes, thermistors, accelerometers, and proximity sensors, each designed for specific applications and environments. Understanding the sensor type is crucial for selecting the right component for a given task and ensuring accurate and reliable sensing capabilities in electronic systems.
3 Axis - Max Supply Voltage (DC)
The parameter "Max Supply Voltage (DC)" in electronic components refers to the maximum voltage that can be safely applied to the component without causing damage. This specification is crucial for ensuring the reliable operation and longevity of the component within a given circuit. Exceeding the maximum supply voltage can lead to overheating, breakdown of internal components, or even permanent damage. It is important to carefully adhere to this specification when designing or using electronic circuits to prevent potential failures and ensure the safety of the components.
3.6V - Min Supply Voltage (DC)
The parameter "Min Supply Voltage (DC)" in electronic components refers to the minimum voltage level required for the component to operate properly. It indicates the lowest voltage that can be safely applied to the component without causing damage or malfunction. This parameter is crucial for ensuring the reliable and stable operation of the component within its specified operating range. It is important for designers and engineers to adhere to the specified minimum supply voltage to prevent potential issues such as erratic behavior, reduced performance, or permanent damage to the component.
1.71V - 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 - 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, Selectable Scale, Sleep Mode, Temperature Sensor - 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.
1000 (±2g) ~ 83 (±16g) - Height1mm
- Length2.15mm
- Width2.15mm
- 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.
Lead Free
Parts with Similar Specs
- ImagePart NumberManufacturerPackage / CaseNumber of PinsMin Supply Voltage (DC)Supply VoltageMax Supply Voltage (DC)Operating TemperatureMoisture Sensitivity Level (MSL)RoHS StatusView Compare
LIS2DHTR
14-VFLGA
14
1.71 V
2.5 V
3.6 V
-40°C ~ 85°C (TA)
3 (168 Hours)
ROHS3 Compliant
14-TFLGA
-
-
-
-
-40°C ~ 85°C (TA)
3 (168 Hours)
ROHS3 Compliant
14-TFLGA
-
-
-
-
-40°C ~ 85°C (TA)
3 (168 Hours)
ROHS3 Compliant
LIS2DTR Package

LIS2DHTR Package
LIS2DTR Manufacturer
STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.
Datasheet PDF
- Datasheets :
Trend Analysis
What is an ultra-low-power high-performance three-axis linear accelerometer?
LIS2DHTR
What is the temperature range of the LIS2DHTR?
-40 °C to +85 °C.
How many independent inertial wake-up /free-fall events can the LIS2DHTR generate interrupt signals?
Two.
What does a 3-axis accelerometer do?
A 3-axis accelerometer measures the accelerations that take place in relation to the 3 Cartesian coordinate axes. In other words, it can gauge the changes in the speed of a point. ... In addition, it can also detect the direction and speed of a moving object, by taking into account the dynamic acceleration.
What is a 3-axis MEMS accelerometer?
The MEMS 3-axis accelerometer consists of a Mass at the centre of the sensor's chip, which is suspended by 4 Beams doped with Piezo-resistive material. ... This enables the sensor to detect the acceleration motion.
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