Overview
The LIS3DHTR is an ultra-low-power, high-performance three-axis linear accelerometer produced by STMicroelectronics. It belongs to the ‘nano’ family and features a digital I2C/SPI serial interface for standard output. This accelerometer is designed to provide advanced power saving and smart embedded functions, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Sensing Range | ±2g, ±4g, ±8g, ±16g |
| Sensing Axis | X-Y-Z |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature Range | -40°C to +85°C |
| Package Style | LGA-16 |
| Mounting Method | Surface Mount |
| Data Output Interface | I2C/SPI |
| Data Output Resolution | 16-bit |
| Output Data Rates | 1 Hz to 5.3 kHz |
| Power Consumption (Ultra-low-power mode) | Down to 2 μA |
| High Shock Survivability | 10000 g |
Key Features
- Wide supply voltage range (1.71 V to 3.6 V) and independent IO supply (1.8 V) compatibility
- Ultra-low-power mode consumption down to 2 μA
- Dynamically selectable full scales of ±2g, ±4g, ±8g, ±16g
- I2C/SPI digital output interface and 16-bit data output
- Two independent programmable interrupt generators for free-fall and motion detection
- 6D/4D orientation detection, free-fall detection, and motion detection
- Embedded temperature sensor and self-test capability
- Embedded 32 levels of 16-bit data output FIFO
- ECOPACK®, RoHS, and ‘Green’ compliant
Applications
- Motion activated functions
- Free-fall detection
- Click/double-click recognition
- Intelligent power saving for handheld devices
- Pedometers
- Display orientation
- Gaming and virtual reality input devices
- Impact recognition and logging
- Vibration monitoring and compensation
Q & A
- What is the sensing range of the LIS3DHTR accelerometer?
The LIS3DHTR has a dynamically selectable full scale of ±2g, ±4g, ±8g, and ±16g.
- What are the supported communication interfaces for the LIS3DHTR?
The LIS3DHTR supports I2C and SPI digital output interfaces.
- What is the power consumption in ultra-low-power mode?
The power consumption in ultra-low-power mode can be as low as 2 μA.
- What is the operating temperature range of the LIS3DHTR?
The operating temperature range is from -40°C to +85°C.
- Does the LIS3DHTR have an embedded temperature sensor?
Yes, the LIS3DHTR includes an embedded temperature sensor.
- What is the high shock survivability of the LIS3DHTR?
The LIS3DHTR can survive high shocks up to 10000 g.
- Is the LIS3DHTR compliant with environmental standards?
Yes, the LIS3DHTR is ECOPACK®, RoHS, and ‘Green’ compliant.
- What types of interrupt generators are available on the LIS3DHTR?
The LIS3DHTR features two independent programmable interrupt generators for free-fall and motion detection.
- Does the LIS3DHTR support FIFO buffering?
Yes, the LIS3DHTR has an integrated 32-level first-in, first-out (FIFO) buffer.
- What are some common applications of the LIS3DHTR?
Common applications include motion activated functions, free-fall detection, pedometers, display orientation, and gaming devices.
