Datasheet > EVAL-ADXL344Z

EVAL-ADXL344Z

更新时间： 2024-11-05 22:58:47

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
40页	586K
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BOARD BREAKOUT FOR ADXL344Z

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EVAL-ADXL344Z 数据手册

3-Axis, ± ± g/± ꢀ g/± 8 g/± 16 g Ultralow

Power Digital MEMS Accelerometer

Data Sheet

ADXL3ꢀꢀ

FEATURES

GENERAL DESCRIPTION

Multipurpose accelerometer with 10- to 13-bit resolution for

use in a wide variety of applications

Digital output accessible via SPI (3- and 4-wire) and I²C

Built-in motion detection features make tap, double-tap,

activity, inactivity, orientation, and free-fall detection

trivial

The ADXL344 is a versatile 3-axis, digital-output, low g MEMS

accelerometer. Selectable measurement range and bandwidth and

configurable, built-in motion detection make it suitable for sensing

acceleration in a wide variety of applications. Robustness to

10,000 g of shock and a wide temperature range (−40°C to +85°C)

enable use of the accelerometer even in harsh environments.

User-adjustable thresholds

The ADXL344 measures acceleration 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 ADXL344 can

measure the static acceleration of gravity in tilt-sensing appli-

cations, as well as dynamic acceleration resulting from motion

or shock. Its high resolution (3.9 mg/LSB) enables measurement

of inclination changes less than 1.0°.

Interrupts independently mappable to two interrupt pins

Low power operation down to 23 µA and embedded FIFO for

reducing overall system power

Wide supply and I/O voltage range: 1.7 V to 2.75 V

Wide operating temperature range (−40°C to +85°C)

10,000 g shock survival

Small, thin Pb free, RoHS compliant 3 mm × 3 mm × 0.95 mm

LGA package

Several special sensing functions are provided. Activity and

inactivity sensing detect the presence or lack of motion. Tap

sensing detects single and double taps in any direction. Free-fall

sensing detects if the device is falling. Orientation detection

reports four- and six-position orientation and can trigger an

interrupt upon change in orientation. These functions can be

mapped individually to either of two interrupt output pins.

APPLICATIONS

Handsets

Gaming and pointing devices

Hard disk drive (HDD) protection

An integrated memory management system with a 32-level first in,

first out (FIFO) buffer can be used to store data to minimize host

processor activity and lower overall system power consumption.

The ADXL344 is supplied in a small, thin, 3 mm × 3 mm ×

0.95 mm, 16-terminal, plastic package.

FUNCTIONAL BLOCK DIAGRAM

DD I/O

ADXL344

POWER

MANAGEMENT

INT1

INT2

CONTROL

AND

INTERRUPT

LOGIC

SENSE

ELECTRONICS

ADC

DIGITAL

FILTER

3-AXIS

SENSOR

SDA/SDI/SDIO

32-LEVEL

FIFO

SERIAL I/O

SDO/ALT

ADDRESS

SCL/SCLK

GND

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与EVAL-ADXL344Z相关器件

型号	品牌	获取价格	描述	数据表
EVAL-ADXL344Z-DB	ADI	获取价格	BOARD DEV/DATALOGGER ADXL344Z
EVAL-ADXL344Z-M	ADI	获取价格	BOARD MOTHER FOR ADXL344Z
EVAL-ADXL344Z-S	ADI	获取价格	BOARD SATELLITE FOR ADXL344Z
EVAL-ADXL345Z	ADI	获取价格	Digital Accelerometer
EVAL-ADXL345Z1	ADI	获取价格	Three-Axis, ±2/4/8/16g Digital Accelerometer
EVAL-ADXL345Z-DB	ADI	获取价格	Digital Accelerometer
EVAL-ADXL345Z-M	ADI	获取价格	Digital Accelerometer
EVAL-ADXL345Z-S	ADI	获取价格	Digital Accelerometer
EVAL-ADXL346Z	ADI	获取价格	3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power D
EVAL-ADXL346Z-M	ADI	获取价格	3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power D

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