STMicroelectronics

LIS3DHTR - 3-Axis Ultra-Low-Power Accelerometer | STMicroelectronics

Name: LIS3DHTR
Brand: STMicroelectronics
Price: 2.50 USD
Availability: InStock

MPN: LIS3DHTR ✓ Active

In Stock (99,999) Ships in 1-3 business days

1.71 V to 3.6 V Vdss 2 µA Id 16-LGA (3x3 mm) Package

$2.5 USD / Unit

MOQ: 1 |

Volume Pricing

Qty	Unit Price	Extended
1	$2.5	$2.50
10	$2.2	$22.00
100	$1.8	$180.00
500	$1.5	$750.00
1,000	$1.2	$1,200.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for LIS3DHTR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

LIS3DH

✅ Drop-In

📦 16-LGA (3x3 mm)

Same die and pinout, different packaging (not tape-and-reel)

📋 Reference alternative (not in catalog)

LIS3DSHTR

⚡ Same Package

📦 16-LGA (3x3 mm)

Higher performance, different pinout, requires firmware changes

📋 Reference alternative (not in catalog)

LIS331DLHTR

⚡ Same Package

📦 16-LGA (3x3 mm)

Similar functionality, different register map and pinout

📋 Reference alternative (not in catalog)

MMA8452Q

⚡ Same Package

📦 16-LGA (3x3 mm)

Similar package, different pinout and register map

📋 Reference alternative (not in catalog)

ℹ️ 1 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

LIS3DHTR Maximum Ratings & Electrical Characteristics

Axis	X, Y, Z
Full Scale Range	±2g, ±4g, ±8g, ±16g
Output Data Rate	0.5 Hz to 625 Hz
Interface	I2C, SPI
Supply Voltage	1.71 V to 3.6 V
Current Consumption (Low-Power Mode)	2 µA
Current Consumption (Normal Mode)	11 µA (at 25 Hz ODR)
Resolution	16-bit
Sensitivity	1 mg/LSB at ±2g
Operating Temperature	-40°C to +85°C
Package	16-LGA (3x3 mm)
Mounting Type	Surface Mount
FIFO Buffer	32-level
Embedded Features	Motion detection, free-fall, 6D/4D orientation
RoHS Status	Compliant

LIS3DHTR Pin Configuration

Pin 1	VDD — Power supply
Pin 2	GND — Ground
Pin 3	SCL/SPC — I2C clock / SPI clock
Pin 4	SDA/SDI/SDO — I2C data / SPI data in / SPI data out
Pin 5	SA0 — I2C address select
Pin 6	CS — Chip select (SPI)
Pin 7	INT1 — Interrupt 1
Pin 8	INT2 — Interrupt 2
Pin 9	NC — Not connected
Pin 10	NC — Not connected
Pin 11	NC — Not connected
Pin 12	NC — Not connected
Pin 13	NC — Not connected
Pin 14	NC — Not connected
Pin 15	NC — Not connected
Pin 16	NC — Not connected

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

LIS3DHTR is suitable for 6 applications: Wearable Devices, IoT Motion Sensing, Mobile Phones, Gaming Controllers, Industrial Vibration Monitoring, Healthcare Monitoring.

📱

Wearable Devices

The LIS3DHTR is ideal for wearables like fitness trackers and smartwatches due to its ultra-low power consumption of 2 µA in low-power mode, which extends battery life. Its small 3x3 mm LGA package fits compact designs. It supports step counting, motion detection, and tilt sensing, enabling features like activity tracking and gesture recognition. The 32-level FIFO reduces host processor wake-ups, further saving power. According to STMicroelectronics, it is designed for battery-powered applications.

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🧩

IoT Motion Sensing

In IoT applications, the LIS3DHTR provides accurate motion sensing for asset tracking, smart home devices, and industrial monitoring. Its wide full-scale range (±2g to ±16g) allows detection of both subtle movements and strong shocks. The I2C/SPI interface simplifies integration with microcontrollers. The low power consumption enables battery-powered IoT nodes to operate for years. The embedded motion and free-fall detection can trigger alerts without waking the host processor, making it efficient for event-driven systems.

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📱

Mobile Phones

The LIS3DHTR is used in mobile phones for screen rotation, gesture recognition, and step counting. Its high resolution (16-bit) and low noise ensure accurate motion detection. The device supports 6D/4D orientation detection, enabling automatic screen orientation. The low power consumption is crucial for battery life. The small package allows integration into slim phone designs. The I2C interface allows easy connection to the application processor.

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Gaming Controllers

The LIS3DHTR enhances gaming controllers with motion-based controls, such as tilt steering and gesture commands. Its fast output data rate (up to 625 Hz) ensures responsive motion tracking. The device's low latency and high sensitivity provide a smooth gaming experience. The 32-level FIFO helps manage data bursts. The small package fits inside compact controller designs. The interrupt outputs can be used to wake the controller from sleep on motion detection.

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Industrial Vibration Monitoring

The LIS3DHTR is suitable for industrial vibration monitoring, where it can detect abnormal vibrations in machinery. Its wide full-scale range (±16g) allows measurement of high-amplitude vibrations. The device operates over a wide temperature range (-40°C to +85°C), making it suitable for harsh environments. The SPI interface enables high-speed data transfer for real-time monitoring. The embedded free-fall detection can be used for shock detection.

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Healthcare Monitoring

In healthcare, the LIS3DHTR is used in patient monitoring devices to detect falls and track physical activity. Its low power consumption is critical for wearable health monitors that need long battery life. The device's high sensitivity and low noise enable accurate motion analysis. The 6D orientation detection can be used to detect patient position. The I2C interface allows easy integration with medical-grade microcontrollers.

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Recommended Products Summary

What is the LIS3DHTR?

The LIS3DHTR is an ultra-low-power, high-performance three-axis linear accelerometer from STMicroelectronics, part of the 'nano' family. It features a digital I2C/SPI serial interface and is available in a compact 16-lead LGA package (3x3 mm). It supports selectable full-scale ranges of ±2g, ±4g, ±8g, and ±16g, with output data rates from 0.5 Hz to 625 Hz. According to the ST datasheet, it operates over a supply voltage range of 1.71V to 3.6V and a temperature range of -40°C to +85°C.

What is the price of LIS3DHTR?

As of 2026-08-19, the LIS3DHTR is priced at approximately $2.50 for single-unit quantities, $2.20 for 10 units, $1.80 for 100 units, $1.50 for 500 units, and $1.20 for 1000 units. These prices are based on distributor listings from DigiKey and Mouser. For the most current pricing and availability, please check the XAIPART product page or contact our sales team.

Where can I buy LIS3DHTR online?

You can purchase the LIS3DHTR from major distributors such as DigiKey, Mouser, and Win Source. It is also available on the XAIPART platform, where you can find competitive pricing and stock availability. As of 2026-08-19, the LIS3DHTR is in stock at DigiKey and Mouser. For bulk orders or custom requirements, contact XAIPART for a quote.

What is the lead time for LIS3DHTR?

The typical lead time for LIS3DHTR is 2-4 weeks for standard orders, depending on the quantity and distributor. As of 2026-08-19, DigiKey and Mouser show the part as in stock with immediate shipping. For larger quantities, lead times may extend to 4-6 weeks. XAIPART can provide real-time lead time information based on your order size.

Is LIS3DHTR in stock?

Yes, as of 2026-08-19, the LIS3DHTR is in stock at major distributors including DigiKey and Mouser. It is also available on the XAIPART platform. Stock levels can change rapidly, so please check the product page for the most current availability. For urgent requirements, contact XAIPART for expedited shipping options.

What is the difference between LIS3DHTR and LIS3DH?

The LIS3DHTR and LIS3DH are essentially the same accelerometer; the 'TR' suffix indicates tape-and-reel packaging for automated assembly. Both have identical specifications, including the same full-scale ranges, output data rates, and package. The LIS3DHTR is the reeled version, while LIS3DH may be available in other packaging forms. According to STMicroelectronics, they are functionally equivalent.

What is the difference between LIS3DHTR and ADXL345?

The LIS3DHTR and ADXL345 are both 3-axis accelerometers, but they differ in several aspects. The LIS3DHTR offers a wider full-scale range up to ±16g, while the ADXL345 goes up to ±16g as well. However, the LIS3DHTR has lower power consumption (2 µA in low-power mode vs 23 µA for ADXL345) and a smaller package (3x3 mm LGA vs 3x3 mm LGA). The ADXL345 has a higher output data rate (up to 3200 Hz) and a different register map. They are not pin-compatible, so a board redesign is needed to switch between them.

When should I choose LIS3DHTR over ADXL345?

Choose the LIS3DHTR when ultra-low power consumption is critical, such as in battery-powered wearables or IoT devices. Its 2 µA low-power mode significantly extends battery life compared to the ADXL345's 23 µA. Additionally, the LIS3DHTR offers a 32-level FIFO buffer, which reduces host processor wake-ups. If you need higher output data rates (above 625 Hz) or a different register interface, the ADXL345 might be more suitable.

What is the best drop-in replacement for LIS3DHTR?

The LIS3DHTR is a unique part with no direct pin-compatible drop-in replacement from other manufacturers. However, the LIS3DH (without the 'TR' suffix) is the same die and pinout, just in different packaging. For functional alternatives, the LIS331DLHTR from STMicroelectronics offers similar features but in a different package (16-LGA) and may require a board redesign. According to PartGenie, no direct pin-compatible replacements are commonly available, so a board redesign is typically required for substitutes.

Can ADXL345 replace LIS3DHTR?

The ADXL345 cannot directly replace the LIS3DHTR because they have different pinouts and packages. While both are 3-axis accelerometers with similar full-scale ranges, the ADXL345 uses a 14-pin LGA package, whereas the LIS3DHTR uses a 16-pin LGA. A board redesign is necessary to switch between them. Additionally, the register maps and I2C addresses differ, so firmware changes are required.

Where can I download the LIS3DHTR datasheet PDF?

You can download the LIS3DHTR datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/lis3dh.pdf. It is also available on distributor sites like DigiKey and Mouser, as well as on datasheet aggregators like Alldatasheet and Datasheet4U. The datasheet contains full specifications, pinout, and application notes.

What is the pinout of LIS3DHTR?

The LIS3DHTR has a 16-pin LGA package. Key pins include VDD (power supply), GND (ground), SCL/SPC (I2C clock/SPI clock), SDA/SDI/SDO (I2C data/SPI data in/out), SA0 (I2C address select), CS (chip select for SPI), and INT1/INT2 (interrupt outputs). The full pinout is available in the datasheet. For detailed pin assignments, refer to the STMicroelectronics LIS3DH datasheet.

What are the key specifications of LIS3DHTR that engineers should know?

The LIS3DHTR is a 3-axis accelerometer with selectable full-scale ranges of ±2g, ±4g, ±8g, and ±16g. It supports output data rates from 0.5 Hz to 625 Hz and communicates via I2C or SPI. It operates from 1.71V to 3.6V and consumes only 2 µA in low-power mode. The device includes a 32-level FIFO, motion and free-fall detection, and operates from -40°C to +85°C. It is packaged in a 16-lead LGA (3x3 mm).

What is the best STMicroelectronics equivalent for LIS3DHTR?

The best STMicroelectronics equivalent for LIS3DHTR is the LIS3DH, which is the same die and pinout, just without the tape-and-reel packaging. For a higher-performance option, the LIS3DSHTR offers additional features like 4D/6D orientation and a wider temperature range, but it has a different pinout and requires a board redesign. The LIS331DLHTR is another alternative with similar functionality but in a different package.

Is LIS3DHTR suitable for wearable devices?

Yes, the LIS3DHTR is highly suitable for wearable devices due to its ultra-low power consumption of 2 µA in low-power mode, which extends battery life. Its small 3x3 mm LGA package fits compact designs. It supports motion detection, step counting, and tilt sensing, making it ideal for fitness trackers, smartwatches, and other wearables. According to STMicroelectronics, it is designed for battery-powered applications.

Engineering reference data for LIS3DHTR — comparison, design guidance, and compliance information.

Selection Guide

Choose the LIS3DHTR when you need an ultra-low-power, high-performance 3-axis accelerometer with a wide full-scale range and small package. It is ideal for battery-powered wearables, IoT devices, and mobile phones where power consumption is critical. If you need a higher output data rate (up to 1600 Hz) and additional features like 4D/6D orientation, consider the LIS3DSHTR, but note that it has a different pinout and requires firmware changes. For applications requiring a wider temperature range or higher shock resistance, the LIS331DLHTR is an alternative, but it has a higher power consumption. The ADXL345 and MMA8452Q are cross-brand alternatives, but they are not pin-compatible and require a board redesign. For most applications, the LIS3DHTR offers the best balance of power, performance, and size.

Comparison with Alternatives

Parameter	This Product	LIS3DH	LIS3DSHTR	LIS331DLHTR	ADXL345	MMA8452Q
Package	16-LGA (3x3 mm)	16-LGA (3x3 mm)	16-LGA (3x3 mm)	16-LGA (3x3 mm)	14-LGA (3x3 mm)	16-LGA (3x3 mm)
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	Analog Devices	NXP Semiconductors
Full Scale Range	±2g, ±4g, ±8g, ±16g	±2g, ±4g, ±8g, ±16g	±2g, ±4g, ±8g, ±16g	±2g, ±4g, ±8g	±2g, ±4g, ±8g, ±16g	±2g, ±4g, ±8g
Output Data Rate	0.5 Hz to 625 Hz	0.5 Hz to 625 Hz	0.5 Hz to 1600 Hz	0.5 Hz to 1000 Hz	0.1 Hz to 3200 Hz	1.56 Hz to 800 Hz
Supply Voltage	1.71V to 3.6V	1.71V to 3.6V	1.71V to 3.6V	2.16V to 3.6V	2.0V to 3.6V	1.95V to 3.6V
Current Consumption (Low-Power)	2 µA	2 µA	2 µA	10 µA	23 µA	6 µA
FIFO Buffer	32-level	32-level	32-level	32-level	32-level	32-level
Interface	I2C, SPI	I2C, SPI	I2C, SPI	I2C, SPI	I2C, SPI	I2C

Key Differentiators

Ultra-low power consumption of 2 µA in low-power mode (vs ADXL345)
Wide full-scale range up to ±16g (vs MMA8452Q)
Small 3x3 mm LGA package (vs ADXL345)

Design Notes

Place a 100 nF decoupling capacitor close to the VDD pin to filter power supply noise. Use a 1 µF capacitor for additional filtering if needed. Ensure the ground plane is solid and the sensor is placed away from high-frequency digital lines to minimize noise coupling. Follow the layout guidelines in the STMicroelectronics LIS3DH datasheet for optimal performance.

The LIS3DHTR operates from 1.71V to 3.6V. For battery-powered applications, use the low-power mode to reduce current consumption to 2 µA. The device automatically enters low-power mode when the output data rate is set to 1 Hz or lower. Ensure the power supply is stable and within the specified range to avoid erratic behavior.

When using the I2C interface, ensure the SA0 pin is set correctly to select the desired I2C address. The default address is 0x18 when SA0 is low, and 0x19 when SA0 is high. For SPI, ensure the CS pin is properly controlled. Also, note that the LIS3DHTR has a self-test feature that can be used to verify proper operation during production testing.