ADXL346BCCZ

更新时间： 2024-09-12 06:36:27

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	310K
描述
3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power Digital Accelerometer

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ADXL346BCCZ 数据手册

3-Axis, 2 g/ 4 g/ 8 g/ 16 g

Ultralow Power Digital Accelerometer

Preliminary Technical Data

ADXL346

FEATURES

GENERAL DESCRIPTION

Ultralow power: as low as 35 µA in measurement mode and

1 µA in standby mode at V_S= 2.5 V (typical)

Power consumption scales automatically with bandwidth

User-selectable resolution

The ADXL346 is a small, thin, ultralow 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 acces-

sible through either a SPI (3- or 4-wire) or I²C digital interface.

Fixed 10-bit resolution

The ADXL346 is well suited for mobile device applications. It

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

cations, 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°.

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)

Patent pending, embedded memory management system

with FIFO technology minimizes host processor load

Single tap/double tap detection

Several special sensing functions are provided. Activity and

inactivity sensing detect the presence or lack of motion by

comparing the acceleration on any axis with user-set thresholds.

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

fall sensing detects if the device is falling. Orientation detection

is capable of concurrent four- and six-position sensing and a

user-selectable interrupt on orientation change for 2-D or 3-D

applications. These functions can be mapped individually to

either of two interrupt output pins. An integrated, patent pending

memory management system with 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.

Activity/inactivity monitoring

Free-fall detection

Concurrent four- and six-position orientation detection

Supply and I/O voltage range: 1.7 V to 2.75 V

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 × 3 mm × 0.95 mm LGA package

Low power modes enable intelligent motion-based power

management with threshold sensing and active acceleration

measurement at extremely low power dissipation.

APPLICATIONS

Handsets

The ADXL346 is supplied in a small, thin, 3 mm × 3 mm ×

0.95 mm, 16-lead, plastic package.

Medical instrumentation

Gaming and pointing devices

Industrial instrumentation

Personal navigation devices

Hard disk drive (HDD) protection

FUNCTIONAL BLOCK DIAGRAM

DD I/O

ADXL346

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. PrC

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother

rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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

Fax: 781.461.3113

www.analog.com

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ADXL346BCCZ 替代型号

型号	品牌	替代类型	描述	数据表
ADXL346ACCZ-RL7	ADI	功能相似	3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power D
ADXL346ACCZ-RL	ADI	功能相似	3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power D
ADXL346ACCZ	ADI	功能相似	3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power D

与ADXL346BCCZ相关器件

型号	品牌	获取价格	描述	数据表
ADXL346BCCZ-RL	ADI	获取价格	3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power D
ADXL346BCCZ-RL7	ADI	获取价格	3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power D
ADXL350	ADI	获取价格	3轴、±1G/±2G/±4G/±8G 数字加速度计
ADXL350BCEZ-RL	ADI	获取价格	Digital Accelerometer
ADXL350BCEZ-RL7	ADI	获取价格	Digital Accelerometer
ADXL354	ADI	获取价格	Hermetic package offers excellent long-term stability
ADXL354BEZ	ADI	获取价格	Hermetic package offers excellent long-term stability
ADXL354BEZ-RL	ADI	获取价格	Hermetic package offers excellent long-term stability
ADXL354BEZ-RL7	ADI	获取价格	Hermetic package offers excellent long-term stability
ADXL354CEZ	ADI	获取价格	Hermetic package offers excellent long-term stability

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