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ADXL345TCCZ-EP-RL7

更新时间： 2024-09-12 21:15:47
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亚德诺 - ADI /
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12页 247K
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3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelerometer

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ADXL345TCCZ-EP-RL7 数据手册

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3-Axis, 2 g/ 4 g/ 8 g/ 16 g  
Digital Accelerometer  
Enhanced Product  
ADXL345-EP  
FEATURES  
GENERAL DESCRIPTION  
Ultralow power: as low as 23 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 from 10 to 13 bits  
4 mg/LSB scale factor in all g ranges  
32-sample FIFO minimizes host processor load  
Single tap, double tap, and free-fall detection  
Activity/inactivity monitoring  
The ADXL345-EP is an extended performance version of  
the ADXL345, which 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 accessible through either a SPI (3- or 4-wire) or I2C digital  
interface.  
The ADXL345-EP is well suited for extended temperature range  
industrial and aerospace equipment. It measures the static  
acceleration of gravity in tilt-sensing applications, 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°.  
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  
10,000 g shock survival  
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. These functions can  
be mapped individually to either of two interrupt output pins.  
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.  
Pb free/RoHS compliant  
Small and thin: 3 mm × 5 mm × 1 mm LGA package  
ENHANCED PRODUCT FEATURES  
Supports defense and aerospace applications (AQEC standard)  
Extended industrial temperature range (−55°C to +105°C)  
Controlled manufacturing baseline  
One assembly/test site  
One fabrication site  
Low power modes enable intelligent motion-based power  
management with threshold sensing and active acceleration  
measurement at extremely low power dissipation.  
Enhanced product change notification  
Qualification data available on request  
The ADXL345-EP is supplied in a small, thin, 3 mm × 5 mm ×  
1 mm, 14-lead, enhanced plastic package.  
APPLICATIONS  
Industrial equipment  
Aerospace equipment  
FUNCTIONAL BLOCK DIAGRAM  
V
V
DD I/O  
S
ADXL345-EP  
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  
CS  
Figure 1.  
Rev. B  
Document Feedback  
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 ©2009–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 
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ADXL345TCCZ-EP-RL7 替代型号

型号 品牌 替代类型 描述 数据表
ADXL345TCCZ-EP-RL ADI

完全替代

 3-Axis, ±2 g/±4 g/±8 g/±16 g Digital Accelero
ADXL345TCCZ-EP ADI

类似代替

 Digital Accelerometer

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