Overview
The LIS2DHTR is an ultra-low-power, high-performance three-axis linear accelerometer produced by STMicroelectronics. It belongs to the 'femto' family and features a digital I2C/SPI serial interface. This accelerometer is designed for applications requiring precise motion detection and low power consumption, making it suitable for a wide range of uses, from consumer electronics to industrial and automotive applications.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage | 1.71 V to 3.6 V |
| IO Supply Voltage | 1.8 V |
| Power Consumption | Down to 2 μA |
| Full Scale Range | ±2g, ±4g, ±8g, ±16g (dynamically selectable) |
| Output Data Rates | 1 Hz to 5.3 kHz |
| Interface | I2C/SPI |
| Package Type | Land Grid Array (LGA) 14 pins |
| Dimensions | 2x2 mm, 1 mm height |
| Operating Temperature Range | -40 °C to +85 °C |
Key Features
- Ultra-low power consumption down to 2 μA
- Dynamically selectable full scales of ±2g, ±4g, ±8g, ±16g
- 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' functions
- Free-fall detection and motion detection
- Embedded temperature sensor and FIFO
- ECOPACK®, RoHS, and 'Green' compliant
Applications
- Motion-activated functions
- Display orientation
- Shake control
- Pedometer
- Gaming and virtual reality input devices
- Impact recognition and logging
Q & A
- What is the LIS2DHTR accelerometer?
The LIS2DHTR is an ultra-low-power, high-performance three-axis linear accelerometer produced by STMicroelectronics.
- What are the supply voltage and IO supply voltage ranges for the LIS2DHTR?
The supply voltage range is 1.71 V to 3.6 V, and the IO supply voltage is 1.8 V.
- What are the dynamically selectable full scale ranges for the LIS2DHTR?
The full scale ranges are ±2g, ±4g, ±8g, and ±16g.
- What interfaces does the LIS2DHTR support?
The LIS2DHTR supports I2C and SPI digital output interfaces.
- What is the operating temperature range of the LIS2DHTR?
The operating temperature range is -40 °C to +85 °C.
- Does the LIS2DHTR have any power-saving features?
Yes, it includes features such as auto-sleep mode, variable-duty-cycle, low-power pulse-mode, and configurable hibernate mode.
- What are some common applications of the LIS2DHTR?
Common applications include motion-activated functions, display orientation, shake control, pedometer, gaming and virtual reality input devices, and impact recognition and logging.
- Is the LIS2DHTR environmentally friendly?
Yes, it is ECOPACK®, RoHS, and 'Green' compliant.
- What is the package type and dimensions of the LIS2DHTR?
The package type is Land Grid Array (LGA) with 14 pins, and the dimensions are 2x2 mm with a height of 1 mm.
- Does the LIS2DHTR have embedded sensors and FIFO?
Yes, it includes an embedded temperature sensor and FIFO.
