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LIS331DL

Name: LIS331DL
Rating: 4.7 (12 reviews)

ACCEL 2.3-9.2G I2C/SPI 16LGA

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仕様

Part Status	Obsolete
Base Product Number	LIS331
Type	Digital
Axis	X, Y, Z
Acceleration Range	±2.3g, 9.2g
Bandwidth	50Hz ~ 200Hz
Output Type	I2C, SPI
Voltage - Supply	2.16V ~ 3.6V
Features	Adjustable Bandwidth, Selectable Scale
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	16-VFLGA
Supplier Device Package	16-LGA (3x3)
Packaging	Tray
Sensitivity (LSB/g)	55 (±2.3g) ~ 13 (±9.2g)

概要

Description

The LIS331DL is a 3‑axis MEMS accelerometer from STMicroelectronics. It provides digital acceleration data on X, Y, and Z via an I2C or SPI interface, in a small, low‑power package. Key features typically include programmable full‑scale ranges, selectable data rates, low noise, and multiple power modes (including power‑down). It also supports on‑chip self‑test, configurable interrupts (data‑ready, tap/free‑fall/tilt types), and an optional temperature sensor. Applications include motion and orientation sensing, gesture or tilt detection, shake/vibration monitoring, and wearables or mobile/robotic devices. Configuration and reading data are done through the device’s register map by the host MCU.

Features

- 3-axis MEMS accelerometer
- Digital output with I2C and SPI interfaces
- Ultra-low power operation with multiple power modes (including wake-on-motion)
- Programmable full-scale: typically ±2 g, ±4 g, ±8 g
- Configurable data rate and bandwidth for flexible sensing
- High-resolution digital conversion with low noise
- Interrupt outputs for data-ready and event detection (motion/tilt)
- Small package (LGA) with suitable operating temperature range
Note: exact electrical ranges, data rates, and features can vary by specific device revision.

Package

LIS331DL uses a 16‑pin LGA (land grid array) package, about 3×3 mm.

Pinout

The LIS331DL is supplied in a 16‑pin package. Its pins provide: power (VDD, GND), the serial interface signals for SPI (CS/CSB, SCLK, SDI/SI, SDO/SO — SD0 can also serve as an address/SA0), two interrupt outputs (INT1, INT2/Data‑Ready), a self‑test/input pad and several no‑connect/NC pins. In short: power, SPI I/O and control, interrupt/data‑ready outputs, self‑test and NC pins. For exact pin assignments refer to the device datasheet.

Manufacturer

Manufacturer: STMicroelectronics (ST).
What kind of company: A multinational semiconductor company that designs and manufactures integrated circuits and electronic components; a leading global electronics/microelectronics manufacturer headquartered in Geneva, Switzerland.

Application

Applications of LIS331DL:
- 3-axis motion and orientation sensing in consumer devices (phones, tablets, wearables)
- Gaming and human–machine interfaces (gesture/motion control)
- Automotive safety and dynamics (airbag/rollover sensing, vehicle dynamics)
- Industrial and robotics (vibration monitoring, machine health, inertial measurement)
- Sports/health devices (activity tracking, fall detection)
- Drones and navigation (attitude/orientation sensing)

Equivalent

Direct/pin-compatible: ST LIS331DLH. Functional equivalents (similar 3-axis MEMS accelerometers): ST LIS3DH, Analog Devices ADXL345, NXP/Freescale MMA8451Q / MMA8452Q (or MMA8453Q), Kionix KXTI9/KX122. Verify supply voltage, interface (I²C/SPI), range, bandwidth and pinout before substituting.