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Analog Devices - Digital Accelerometer

Numéro de référence ADXL375
Description Digital Accelerometer
Fabricant Analog Devices 
Logo Analog Devices 





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ADXL375 fiche technique
Data Sheet
FEATURES
Low power: as low as 35 µA in measurement mode and
0.1 µA in standby mode at VS = 2.5 V
Power consumption scales automatically with bandwidth
Embedded, 32-level FIFO buffer minimizes processor load
Bandwidth of up to 1 kHz
Bandwidth selectable via serial command
Shock event detection
Activity/inactivity monitoring
Supply voltage range: 2.0 V to 3.6 V
I/O voltage range: 1.7 V to VS
SPI (3- or 4-wire) and I2C digital interfaces
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
APPLICATIONS
Concussion and head trauma detection
High force event detection
3-Axis, ±200 g
Digital Accelerometer
ADXL375
GENERAL DESCRIPTION
The ADXL375 is a small, thin, 3-axis accelerometer that provides
low power consumption and high resolution measurement up
to ±200 g. The digital output data is formatted as 16-bit, twos
complement data and is accessible through a SPI (3- or 4-wire)
or I2C digital interface.
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.
Low power modes enable intelligent motion-based power
management with threshold sensing and active acceleration
measurement at extremely low power dissipation.
The ADXL375 is supplied in a small, thin, 3 mm × 5 mm ×
1 mm, 14-lead LGA.
ADXL375
FUNCTIONAL BLOCK DIAGRAM
VS VDD I/O
POWER
MANAGEMENT
3-AXIS
SENSOR
SENSE
ELECTRONICS
ADC
DIGITAL
FILTER
CONTROL
AND
INTERRUPT
LOGIC
INT1
INT2
GND
32-LEVEL
FIFO
Figure 1.
SERIAL I/O
CS
SDA/SDI/SDIO
SDO/ALT
ADDRESS
SCL/SCLK
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
Free Datasheet http://www.datasheet4u.com/

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