ADXL1002 반도체 회로 부품 판매점
High Frequency MEMS Accelerometers
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 Analog Devices |
Data Sheet
Low Noise, High Frequency MEMS
Accelerometers
ADXL1001/ADXL1002
FEATURES
Single in plane axis accelerometer with analog output
Linear frequency response range from dc to 11 kHz (3 dB point)
Resonant frequency of 21 kHz
Ultralow noise density
30 µg/√Hz in ±100 g range (ADXL1001)
25 µg/√Hz in ±50 g range (ADXL1002)
Overrange sensing plus dc coupling allows fast recovery time
Complete electromechanical self-test
Sensitivity performance
Sensitivity stability over temperature 5%
Linearity to ±0.1% of full-scale range
Cross axis sensitivity ±1% (ZX), ±1% (YX),
Single-supply operation
Output voltage ratiometric to supply
Low power consumption 1.0 mA
Power saving standby operation mode with fast recovery
RoHS compliant
−40°C to +125°C temperature range
5 mm × 5 mm × 1.80 mm LFCSP package
APPLICATIONS
Condition monitoring
Predictive maintenance
Asset health
Test and measurement
Health usage monitoring system (HUMS)
GENERAL DESCRIPTION
The ADXL1001/ADXL1002 deliver ultralow noise density over
an extended frequency range with two full-scale range options,
and are optimized for industrial condition monitoring. The
ADXL1001 (±100 g) and the ADXL1002 (±50 g) have typical
noise densities of 30 µg/√Hz and 25 µg/√Hz, respectively. Both
accelerometer devices have stable and repeatable sensitivity,
which is immune to external shocks up to 10,000 g.
FUNCTIONAL BLOCK DIAGRAM
VDD STANDBY
TIMING
GENERATOR
ADXL1001/ADXL1002
MOD SENSOR
AMP
DEMOD
OUTPUT
AMPLIFIER
VOUT
SELF TEST
OVERRANGE
DETECTION
OR
ST VSS
Figure 1.
The ADXL1001/ADXL1002 have an integrated full electrostatic
self test (ST) function and an overrange (OR) indicator that
allow advanced system level features and are useful for
embedded applications. With low power and single-supply
operation of 3.3 V to 5.25 V, the ADXL1001/ADXL1002 also
enable wireless sensing product design. The ADXL1001/
ADXL1002 are available in a 5 mm × 5 mm × 1.80 mm LFCSP
package, and are rated for operation over a −40°C to +125°C
temperature range.
Rev. 0
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ADXL1001/ADXL1002
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Thermal Resistance ...................................................................... 4
Recommended Soldering Profile ............................................... 4
ESD Caution.................................................................................. 4
Pin Configuration and Function Descriptions............................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ........................................................................ 9
Mechanical Device Operation .................................................... 9
REVISION HISTORY
3/2017—Revision 0: Initial Version
Data Sheet
Operating Modes...........................................................................9
Bandwidth ......................................................................................9
Applications information .............................................................. 10
Application Circuit..................................................................... 10
On Demand Self Test ................................................................. 10
Ratiometric Output Voltage...................................................... 10
Interfacing Analog Output Below 10 kHz .............................. 11
Interfacing Analog Output Beyond 10 kHz............................ 12
Overrange.................................................................................... 12
Mechanical Considerations for Mounting.............................. 13
Layout and Design Recommendations ................................... 13
Outline Dimensions ....................................................................... 14
Ordering Guide .......................................................................... 14
Rev. 0 | Page 2 of 14
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ADXL1001
High Frequency MEMS Accelerometers - Analog Devices
ADXL1002
High Frequency MEMS Accelerometers - Analog Devices