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ADXL345

Name: ADXL345
Rating: 4.7 (12 reviews)

ADI Digital Output Three-Axis Accel

Производитель
Мфр. Часть #ADXL345
Пакет
Лист данных
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Спецификации

Packaging	Tray
Standard Pack Qty	490

Обзор

Description

The ADXL345 is a low-power three-axis accelerometer designed for portable applications. It measures acceleration in the X, Y, and Z axes and is capable of detecting both static and dynamic acceleration, making it suitable for motion sensing, tilt detection, and gesture recognition.
Operating on a voltage range of 2.0V to 3.6V, the ADXL345 features a digital interface (I2C and SPI) for easy integration with microcontrollers and processors. It has a configurable measurement range of ±2g, ±4g, ±8g, or ±16g and provides a resolution of up to 13 bits, allowing for precise motion detection.
Additional features include a built-in tap and free-fall detection, a sleep mode for power conservation, and a high data rate up to 3200 Hz. Its compact size and low power consumption make it ideal for applications in smartphones, wearables, and other IoT devices, where efficient motion tracking is essential.

Features

The ADXL345 is a high-performance, three-axis accelerometer designed for various applications. Key features include:
1. Three-Axis Sensing: Measures acceleration along the X, Y, and Z axes.
2. Wide Measurement Range: Offers selectable ranges of ±2g, ±4g, ±8g, and ±16g.
3. High Resolution: Provides 13-bit resolution with low noise, ensuring precise measurements.
4. Digital Output: Communicates via I2C or SPI interfaces, enabling easy integration with microcontrollers.
5. Low Power Consumption: Features various power modes, including a low-power mode, ideal for battery-operated devices.
6. Built-in Functions: Supports features like tap detection, free-fall detection, and activity/inactivity monitoring.
7. Temperature Compensation: Includes built-in temperature sensor for accurate readings in varying conditions.
8. Small Form Factor: Compact package suitable for space-constrained applications.
These features make the ADXL345 suitable for consumer electronics, industrial applications, and motion-based gaming.

Package

The ADXL345 accelerometer is typically available in a small, thin, and low-profile 14-pin LGA (Land Grid Array) package. It measures 3 mm x 5 mm x 1 mm, making it suitable for compact applications in mobile and wearable devices.

Pinout

The ADXL345 is a 3-axis accelerometer with a 14-pin package. Here are the pin counts and their functions:
1. VDD (Pin 1): Power supply.
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial data line for I2C communication.
4. SCL (Pin 4): Serial clock line for I2C communication.
5. SDO (Pin 5): Serial data output; used to select I2C address.
6. CS (Pin 6): Chip select for SPI communication.
7. SDI (Pin 7): Serial data input for SPI communication.
8. SCLK (Pin 8): Serial clock line for SPI communication.
9. INT1 (Pin 9): Interrupt output 1.
10. INT2 (Pin 10): Interrupt output 2.
11. TEMP (Pin 11): Temperature sensor output.
12. DOUT (Pin 12): Data output for SPI mode.
13. VREF (Pin 13): Reference voltage output.
14. NC (Pin 14): No connection.
The ADXL345 provides an I2C/SPI interface for data communication and features functionalities like motion detection and tap sensing.

Manufacturer

The ADXL345 is manufactured by Analog Devices, Inc. (ADI), a multinational semiconductor company headquartered in Norwood, Massachusetts. Analog Devices specializes in data conversion, signal processing, and analog technology, producing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Established in 1965, ADI serves a wide range of industries including automotive, communications, industrial automation, healthcare, and consumer electronics. The ADXL345 itself is a small, low-power, 3-axis accelerometer that is widely used in applications such as motion sensing, tilt detection, and gesture recognition.

Application

The ADXL345 is a versatile 3-axis accelerometer used in various applications, including smartphones for screen orientation, fitness trackers for activity monitoring, automotive systems for crash detection, and robotics for motion sensing. It's also employed in industrial equipment for vibration analysis, gaming controllers for motion input, and wearable devices for health tracking. Its low power consumption makes it suitable for battery-operated devices.

Equivalent

Equivalent products to the ADXL345 chip include:
1. MMA8451Q (NXP)
2. LIS3DH (STMicroelectronics)
3. BMA280 (Bosch Sensortec)
4. MPU-6050 (InvenSense) - includes a gyroscope
5. ISM330DLC (STMicroelectronics) - combines accelerometer and gyroscope
These alternatives offer similar functionalities in 3-axis acceleration sensing.

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DHL компанией: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 2-5 рабочих дней.

компании FedEx: Стоимость доставки варьируется от 25 до 40 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

УПС: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ТНТ: Стоимость доставки варьируется от 25 до 65 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ЭМС: Стоимость доставки варьируется от $30-$50 (0,5 кг), с предполагаемым сроком доставки 7-15 рабочих дней.

Зарегистрированная воздушная почта: Стоимость доставки составляет 2-4 доллара США (0,1 кг), при этом предполагаемое время доставки составляет 5-20 рабочих дней.