LIS2DTW12TR

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LIS2DTW12TR

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MEMS DIGITAL OUTPUT DUAL MOTION

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Digital
Axis X, Y, Z
AccelerationRange ±2g, 4g, 8g, 16g
Sensitivity(LSB/g) 4098 (±2g) ~ 512 (±16g)
Bandwidth 0.8Hz ~ 800Hz
OutputType I²C, SPI
Voltage-Supply 1.62V ~ 3.6V
Features Adjustable Bandwidth, Selectable Scale, Sleep Mode, Temperature Sensor
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 12-WFLGA

Übersicht

Description

The LIS2DTW12TR is a compact, low-power, high-performance 3-axis accelerometer and temperature sensor designed by STMicroelectronics. It is part of the company's MEMS sensor portfolio and is utilized in various applications, including wearable devices, smartphones, and IoT systems. This sensor offers a wide range of measurement capabilities with selectable full scales of ±2g, ±4g, ±8g, and ±16g for acceleration, alongside an embedded temperature sensor that operates in the range of -40°C to +85°C.
Key features of the LIS2DTW12TR include its ultra-low power consumption, making it suitable for battery-operated devices. It supports both I²C and SPI digital interfaces, providing flexibility in system integration. The device also includes embedded self-test, FIFO, and interrupt functionalities, allowing for efficient data management and alert configurations.
The LIS2DTW12TR is packaged in a tiny 2x2x0.7 mm LGA package, making it ideal for space-constrained applications. It is engineered to deliver high precision, reliability, and robustness, ensuring optimal performance even in demanding environments.

Equivalent

The LIS2DTW12TR is a digital output MEMS accelerometer by STMicroelectronics, featuring a temperature sensor. Equivalent products include:
1. ADXL345 by Analog Devices: A small, thin, low power, 3-axis accelerometer with a high-resolution (13-bit) measurement.
2. MMA8451Q by NXP: A smart, low-power, three-axis accelerometer with 14-bit resolution.
3. KXTJ3-1057 by Kionix: A digital MEMS accelerometer with ultra-low power consumption and high sensitivity.
4. BMA400 by Bosch Sensortec: An ultra-low power accelerometer optimized for wearables and IoT applications.
These alternatives offer similar functionalities in terms of low power consumption and digital output for acceleration sensing.

Features

The LIS2DTW12TR is a 3-axis digital accelerometer with an embedded temperature sensor. It features ultra-low power consumption, making it suitable for portable and battery-operated devices. The accelerometer supports multiple power modes, including high-performance and low-power modes, to optimize energy efficiency. It offers full-scale measurement ranges of ±2g, ±4g, ±8g, and ±16g, allowing for flexibility in various applications. The device provides high-performance motion detection with a data output rate up to 1.6 kHz.
The embedded temperature sensor enhances its functionality for applications requiring environmental monitoring. It communicates through I²C and SPI interfaces, ensuring compatibility with various microcontrollers. The LIS2DTW12TR also includes built-in functions such as free-fall detection, six-direction detection, and activity/inactivity recognition, which can simplify design and reduce external components. Its compact LGA-12 package ensures it fits into space-constrained applications. Ideal for consumer electronics, industrial, and IoT applications, this sensor supports efficient motion and environmental data acquisition.

Pinout

The LIS2DTW12TR is a 3-axis digital accelerometer and temperature sensor. It comes in a 2 mm x 2 mm 12-lead LGA package. Here's a concise summary of its pin count and functions:
- Pins: 12

Pin Functions:
- VDD: Supply voltage.
- VDD_IO: I/O pins supply voltage.
- GND: Ground.
- SDA/SDI/SDO: Serial data input/output.
- SCL/SPC: Serial clock line.
- CS: Chip select (used for SPI interface).
- INT1: Interrupt 1, programmable.
- INT2: Interrupt 2, programmable.
- SA0/SDO: I²C least significant bit of the device address / SPI data output.
- Other pins are typically NC (Not Connected) or reserved for internal use.
The device integrates a temperature sensor and accelerometer for various applications, such as motion detection, gesture recognition, and environmental monitoring.

Manufacturer

The LIS2DTW12TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company is known for its expertise in microcontrollers, sensors, power management, and analog devices, among other technologies. STMicroelectronics serves various industries, including industrial, automotive, consumer electronics, and communication equipment, providing solutions that drive innovation and efficiency in these sectors.

Application

The LIS2DTW12TR is a low-power, high-performance 3-axis accelerometer with a temperature sensor, widely used in various applications. Key areas include consumer electronics, such as smartphones and wearables, where it enhances user interface functionality and motion detection. In healthcare, it's used in fitness trackers and medical monitoring devices for activity recognition and vital sign monitoring. In industrial settings, it supports equipment monitoring and predictive maintenance by detecting vibrations and temperature changes. Additionally, it's utilized in smart home applications for motion detection and device control. Its low power consumption makes it ideal for battery-operated devices.

Package

The LIS2DTW12TR is a micro-electromechanical system (MEMS) accelerometer in a compact, thin, and square surface-mount package. Specifically, it is housed in a 2 mm x 2 mm x 0.7 mm LGA (Land Grid Array) package, making it suitable for space-constrained applications.

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