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10 DOF Mems IMU Sensor

ZHIWEI ROBOTICS Co.
10 DOF Mems IMU Sensor В датчике интегрированы ADXL345 акселерометр, магнитометр HMC5883L, ITG-3205 гироскоп и BMP085 барометрический датчик давления. Гироскоп имеет малый размер. Монтажные отверстия позволяют обеспечить высокую точность и стабильность Arduino-совместимого датчика. Характеристики: - Широкий диапазон входного напряжения питания от 3 до 8 В - Низкий уровень шума LDO регулятор - Интерфейс: I2C - Светодиодный индикатор питания - 10 степеней свободы - ADXL345 Акселерометр - ITG3200 гироскоп - HMC5883L Compass - BMP085 датчика давления - Компактный дизайн и легкость в использовании - Совместим с контроллерами Arduino - Размеры: 26x18mm Применение: - навигация - ориентация и стабилизация платформ - контрольно-измерительная аппаратура - робототехника Комплектация: - датчик - 4P Pin межплатные стойки
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3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelerometer ADXL345 FEATURES GENERAL DESCRIPTION Ultralow power: as low as 40 μA in measurement mode and 0.1 μA in standby mode at VS = 2.5 V (typical) Power consumption scales automatically with bandwidth User-selectable resolution Fixed 10-bit resolution Full resolution, where resolution increases with g range, up to 13-bit resolution at ±16 g (maintaining 4 mg/LSB scale factor in all g ranges) Embedded, patent pending FIFO technology minimizes host processor load Tap/double tap detection Activity/inactivity monitoring Free-fall detection Supply voltage range: 2.0 V to 3.6 V I/O voltage range: 1.7 V to VS SPI (3- and 4-wire) and I2C digital interfaces Flexible interrupt modes mappable to either interrupt pin Measurement ranges selectable via serial command Bandwidth selectable via serial command Wide temperature range (−40°C to +85°C) 10,000 g shock survival Pb free/RoHS compliant Small and thin: 3 mm × 5 mm × 1 mm LGA package The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. The ADXL345 is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0°. Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion and if the acceleration on any axis exceeds a user-set level. Tap sensing detects single and double taps. Free-fall sensing detects if the device is falling. These functions can be mapped to one of two interrupt output pins. An integrated, patent pending 32-level first in, first out (FIFO) buffer can be used to store data to minimize host processor intervention. Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation. The ADXL345 is supplied in a small, thin, 3 mm × 5 mm × 1 mm, 14-lead, plastic package. APPLICATIONS Handsets Medical instrumentation Gaming and pointing devices Industrial instrumentation Personal navigation devices Hard disk drive (HDD) protection Fitness equipment FUNCTIONAL BLOCK DIAGRAM VS ADXL345 VDD I/O POWER MANAGEMENT ADC 3-AXIS SENSOR DIGITAL FILTER 32 LEVEL FIFO CONTROL AND INTERRUPT LOGIC INT1 INT2 SDA/SDI/SDIO SERIAL I/O SDO/ALT ADDRESS SCL/SCLK GND CS 07925-001 SENSE ELECTRONICS Figure 1. Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. See the last page for disclaimers. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2009 Analog Devices, Inc. All rights reserved. PDF
Документация на 10 DOF Mems IMU Sensor 

ADXL345 (Rev. 0) 3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelerometer

Дата модификации: 29.05.2009

Размер: 481.8 Кб

24 стр.

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