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LIS3DH
+BOMACCEL 2-16G I2C/SPI 16LGA
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ManufacturerSTMicroelectronics
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Mfr. Part #LIS3DH
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Datasheet LIS3DH DataSheet
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In Stock3724
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Base Product Number | LIS3 |
| Type | Digital |
| Axis | X, Y, Z |
| Acceleration Range | ±2g, 4g, 8g, 16g |
| Sensitivity (LSB / g) | 1000 (±2g) ~ 83 (±16g) |
| Bandwidth | 0.5Hz ~ 625Hz |
| Output Type | I2C, SPI |
| Voltage - Supply | 1.71V ~ 3.6V |
| Features | Adjustable Bandwidth, Selectable Scale, Temperature Sensor |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-VFLGA |
| Supplier Device Package | 16-LGA (3x3) |
| Packaging | Tray |
Overview
Description
Key features include low power consumption, a wide voltage range (1.71V to 3.6V), and embedded sleep and wake-up functions that make it suitable for battery-operated devices. The LIS3DH supports both I²C and SPI digital interfaces, enhancing compatibility with various microcontrollers and systems.
Additional features include a built-in temperature sensor, free-fall detection, motion detection, and click/double-click recognition, making it versatile for smartphone, tablet, and fitness tracker applications. Its high-speed data rate of up to 5 kHz ensures rapid data acquisition, crucial for real-time processing. The small package size and robust design allow integration into space-constrained products, contributing to the efficiency and innovation of modern electronic devices.
Equivalent
1. ADXL345 - By Analog Devices, similar in functionality with digital interface options.
2. BMA250 - From Bosch Sensortec, offering comparable features and performance.
3. MMA8451Q - By NXP Semiconductors, providing similar accelerometer capabilities.
4. MC3419 - By MEMSIC, another alternative with similar specifications.
These alternatives vary in specifications like power consumption and interface options, so selection should be based on specific application needs.
Features
1. Low Power Consumption: Offers several power-saving modes, including low-power mode and sleep mode.
2. High Resolution: Provides 12-bit output resolution for precise motion detection.
3. Programmable Interrupts: Supports two independent programmable interrupt generators for free-fall, motion detection, and activity/inactivity monitoring.
4. Wide Measurement Range: Configurable full scales of ±2g, ±4g, ±8g, and ±16g.
5. Embedded FIFO: A 32-level FIFO buffer helps manage workload and reduce processor intervention.
6. Temperature Sensor: Integrated temperature sensor for monitoring environmental conditions.
7. Interfaces: Supports I²C and SPI interfaces for easy communication with microcontrollers.
8. Self-Test Function: Enables self-test to verify sensor functionality.
9. Ultra-Compact Package: Available in a small, low-profile package, suitable for space-constrained applications.
10. Embedded Click/Doubeclick Recognition: Detects single and double taps for user interface applications.
These features make the LIS3DH ideal for mobile devices, gaming, and wearable technology applications.
Pinout
1. VDD - Supply voltage.
2. VDD_IO - I/O pins supply voltage.
3. GND - Ground.
4. SCL/SPC - Serial Clock for I2C, Serial Port Clock for SPI.
5. SDA/SDI/SDO - Serial Data for I2C, Serial Data Input/Output for SPI.
6. SDO/SA0 - SPI Serial Data Output or I2C least significant bit of the device address.
7. CS - Chip Select for SPI, active low.
8. INT1 - Interrupt 1, can be configured as a free-fall, motion detection, etc.
9. INT2 - Interrupt 2, can be configured similarly to INT1.
10. RES - Reserved, generally not used.
11. RES - Reserved, generally not used.
12. RES - Reserved, generally not used.
13. RES - Reserved, generally not used.
14. RES - Reserved, generally not used.
The LIS3DH is used in various applications like motion detection, tilt sensing, and free-fall detection due to its low power consumption and high performance.
Manufacturer
Application
Package
Frequently Asked Questions
Q: What interface protocols does the LIS3DH support for data communication?
A: It supports both I2C and SPI digital output interfaces, offering flexible integration with microcontrollers.
Q: What are the selectable acceleration ranges for this sensor?
A: It offers four user-selectable ranges: ±2g, ±4g, ±8g, and ±16g to suit different motion sensing applications.
Q: Does the LIS3DH include an internal temperature sensor?
A: Yes, it features a built-in temperature sensor for additional environmental monitoring alongside motion detection.
Q: What is the operating voltage range of this component?
A: The supply voltage range is from 1.71V to 3.6V, making it suitable for low-power and battery-operated devices.
Q: Can I adjust the output data rate or bandwidth?
A: Yes, it provides an adjustable bandwidth from 0.5Hz to 625Hz and programmable output data rates via its control registers.
Q: What package is the LIS3DH available in?
A: It comes in a 16-VFLGA package, with a supplier device package of 16-LGA measuring 3x3mm for compact PCB designs.