Overview
The LIS3LV02DQ, produced by STMicroelectronics, is a three-axis digital output linear accelerometer designed for a wide range of applications. This MEMS (Micro-Electro-Mechanical Systems) inertial sensor integrates a sensing element and an IC interface, enabling it to detect and measure acceleration along the X, Y, and Z axes. The device operates on a single supply voltage between 2.7V and 3.6V and is compatible with 1.8V I/Os, making it versatile for various system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Acceleration Range | ±2g, ±6g | g |
| Supply Voltage | 2.7V to 3.6V | V |
| I/O Supply Voltage | -0.3 to Vdd + 0.1 V | V |
| Resolution | 12 bits | - |
| Sensitivity (±2g) | 1024 LSB/g | LSB/g |
| Sensitivity (±6g) | 340 LSB/g | LSB/g |
| Operating Temperature Range | -40°C to +85°C | °C |
| Bandwidth | 10Hz to 640Hz | Hz |
| Interface | I2C, SPI | - |
| Package | 28-QFPN (7x7) | - |
| Mounting Type | Surface Mount | - |
Key Features
- Ultra-low power consumption: Designed for energy-efficient applications.
- High shock survivability: Can withstand accelerations up to 3000g for 0.5 ms and 10000g for 0.1 ms.
- Programmable interrupt threshold: Allows for configurable inertial wake-up/interrupt signals.
- Embedded self-test capability: Enables users to verify the device's functioning.
- I2C and SPI interfaces: Supports both I2C and SPI communication protocols.
- Adjustable bandwidth and selectable scale: Offers flexibility in data rate and sensitivity settings.
- ECO-PACK compliant: Lead-free and RoHS compliant packaging.
Applications
- Motion activated functions in mobile terminals: Ideal for gesture recognition and motion sensing in smartphones and tablets.
- Antitheft systems and inertial navigation: Used in vehicle tracking and navigation systems.
- Gaming and Virtual Reality input devices: Enhances user experience in gaming and VR applications.
- Vibration monitoring and compensation: Useful in industrial and automotive applications for vibration analysis.
Q & A
- What is the operating voltage range of the LIS3LV02DQ?
The LIS3LV02DQ operates on a single supply voltage between 2.7V and 3.6V. - What are the available acceleration ranges for the LIS3LV02DQ?
The device can measure accelerations in the ranges of ±2g and ±6g. - What communication interfaces does the LIS3LV02DQ support?
The LIS3LV02DQ supports both I2C and SPI communication protocols. - What is the resolution of the LIS3LV02DQ?
The device has a 12-bit resolution. - Can the LIS3LV02DQ be used in high-shock environments?
Yes, it can withstand high accelerations up to 3000g for 0.5 ms and 10000g for 0.1 ms. - Does the LIS3LV02DQ have a self-test feature?
Yes, it includes an embedded self-test capability to verify the device's functioning. - What is the operating temperature range of the LIS3LV02DQ?
The device operates over a temperature range from -40°C to +85°C. - Is the LIS3LV02DQ RoHS compliant?
Yes, the device is lead-free and RoHS compliant. - What are some common applications of the LIS3LV02DQ?
Common applications include motion activated functions in mobile terminals, antitheft systems, inertial navigation, gaming, and vibration monitoring. - How is the data rate adjustable on the LIS3LV02DQ?
The data rate can be adjusted using the Decimation Factor, allowing selectable bandwidth from 10Hz to 640Hz.
