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ADXL354CEZ-RL Datasheet(Arkusz danych) 1 Page - Analog Devices

Numer części ADXL354CEZ-RL
Szczegółowy opis  Hermetic package offers excellent long-term stability
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Low Noise, Low Drift, Low Power,
3-Axis MEMS Accelerometers
Data Sheet
ADXL354/ADXL355
Rev. 0
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
Hermetic package offers excellent long-term stability
0 g offset vs. temperature (all axes): 0.15 mg/°C maximum
Ultralow noise density (all axes): 20 μg/√Hz (ADXL354)
Low power, VSUPPLY (LDO enabled)
ADXL354 in measurement mode: 150 μA
ADXL355 in measurement mode: 200 μA
ADXL354/ADXL355 in standby mode: 21 μA
ADXL354 has user adjustable analog output bandwidth
ADXL355 digital output features
Digital serial peripheral interface (SPI)/I2C interfaces
20-bit analog-to-digital converter (ADC)
Data interpolation routine for synchronous sampling
Programmable high- and low-pass digital filters
Electromechanical self test
Integrated temperature sensor
Voltage range options
VSUPPLY with internal regulators: 2.25 V to 3.6 V
V1P8ANA, V1P8DIG with internal low dropout regulator (LDO)
bypassed: 1.8 V typical ± 10%
Operating temperature range: −40°C to +125°C
14-terminal, 6 mm × 6 mm × 2.1 mm, LCC package,
0.26 grams
APPLICATIONS
Inertial measurement units (IMUs)/altitude and heading
reference systems (AHRSs)
Platform stabilization systems
Structural health monitoring
Seismic imaging
Tilt sensing
Robotics
Condition monitoring
FUNCTIONAL BLOCK DIAGRAMS
TEMP
OUT
YOUT
XOUT
VSUPPLY
VSSIO
VSS
ST1
ST2
ADXL354
STBY
VDDIO
CONTROL
LOGIC
RANGE
TEMP
SENSOR
POWER
MANAGEMENT
ANALOG
FILTER
3-AXIS
SENSOR
V1P8ANA
LDO
V1P8DIG
LDO
Figure 1. ADXL354 Functional Block Diagram
ADC
ADC
ADC
ADC
TEMP
SENSOR
V1P8ANA
DIGITAL
FILTER
FIFO
POWER
MANAGEMENT
VSUPPLY
VDDIO
LDO
V1P8DIG
LDO
ANALOG
FILTER
3-AXIS
SENSOR
SCLK/VSSIO
MOSI/SDA
MISO/ASEL
VSSIO
VSS
INT1
INT2
CS/SCL
ADXL355
DRDY
SERIAL
I/O
CONTROL
LOGIC
Figure 2. ADXL355 Functional Block Diagram
GENERAL DESCRIPTION
The analog output ADXL354 and the digital output ADXL355
are low noise density, low 0 g offset drift, low power, 3-axis
accelerometers with selectable measurement ranges. The
ADXL354B supports the ±2 g and ±4 g ranges, the ADXL354C
supports the ±2 g and ±8 g ranges, and the ADXL355 supports
the ±2.048 g, ±4.096 g, and ±8.192 g ranges. The ADXL354/
ADXL355 offer industry leading noise, minimal offset drift over
temperature, and long term stability enabling precision
applications with minimal calibration.
Highly integrated in a compact form factor, the low power
ADXL355 is ideal in an Internet of Things (IoT) sensor node
and other wireless product designs.
The ADXL355 multifunction pin names may be referenced by
their relevant function only for either the SPI or I2C interfaces.
1 Protected by U.S. Patents 8,472,270; 9,041,462; 8,665,627; 8,917,099; 6,892,576; 9,297,825; and 7,956,621.




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