Datasheet > ADCMXL3021

ADCMXL3021

更新时间： 2024-11-21 00:29:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
50页	769K
描述
Wide Bandwidth, Low Noise, Triaxial Vibration Sensor

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数据手册

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ADCMXL3021 数据手册

Wide Bandwidth, Low Noise,

Triaxial Vibration Sensor

Data Sheet

ADcmXL3021

FEATURES

FUNCTIONAL BLOCK DIAGRAM

VDD

GND

Triaxial, digital output MEMS vibration sensing module

±±0 g measurement range

OUT_VDDM

POWER MANAGEMENT

Ultralow output noise density, 26 μg/√Hz (MTC mode)

Wide bandwidth: dc to 10 kHz within 3 dB flatness (RTS mode)

Embedded fast data sampling: 220 kSPS per axis

6 digital FIR filters, 32 taps (coefficients), default options:

High-pass filter cutoff frequencies: 1 kHz, ± kHz, 10 kHz

Low-pass filter cutoff frequencies: 1 kHz, ± kHz, 10 kHz

User configurable digital filter option (32 coefficients)

Spectral analysis through internal FFT

MEMS

RST

ADC

ACCELEROMETER

SCLK

DIN

MEMS

ACCELEROMETER

ADC

DOUT

SYNC/RTS

BUSY

ALM1

ALM2

MEMS

ACCELEROMETER

Extended record length: 2048 bins per axis with user

configurable bin sizes from 0.42 Hz to ±3.7 Hz

Manual or timer-based (automatic) triggering

Windowing options: rectangular, Hanning, flat top

FFT record averaging, configurable up to 2±± records

Spectral defined alarm monitoring, 6 alarms per axis

Time domain capture with statistical metrics

Extended record length: 4096 samples per axis

Mean, standard deviation, peak, crest factor, skewness,

and kurtosis

ADcmXL3021

Figure 1.

GENERAL DESCRIPTION

The ADcmXL3021 is a complete vibration sensing system that

combines high performance vibration sensing (using micro-

electromechanical systems (MEMS) accelerometers) with a

variety of signal processing functions to simplify the development

of smart sensor nodes in condition-based monitoring (CBM)

systems. The typical ultralow noise density (26 μg/√Hz) in the

MEMS accelerometers supports excellent resolution. The wide

bandwidth (dc to 10 kHz within 3 dB flatness) enables tracking

of key vibration signatures on many machine platforms.

Configurable alarm monitoring

Real-time data streaming: 220 kSPS on each axis

Burst mode communication with CRC-16 error checking

Storage: 10 data records for each axis

On demand self test with status flags

The signal processing includes high speed data sampling

(220 kSPS), 4096 time sample record lengths, filtering,

windowing, fast Fourier transform (FFT), user configurable

spectral or time statistic alarms, and error flags. The serial

peripheral interface (SPI) provides access to a register structure

that contains the vibration data and a wide range of user

configurable functions.

Sleep mode with external and timer driven wakeup

Digital temperature and power supply measurements

SPI-compatible serial interface

Identification registers: factory preprogrammed serial

number, device ID, user programmable ID

Single-supply operation: 3.0 V to 3.6 V

Operating temperature range: −40°C to +10±°C

Automatic shutdown at 12±°C (junction temperature)

23.7 mm × 27.0 mm × 12.4 mm aluminum package

36 mm flexible, 14-pin connector interface

Mass: 13 g

The ADcmXL3021 is available in a 23.7 mm × 27.0 mm × 12.4 mm

aluminum package with four mounting flanges to support

installation with standard machine screws. This package provides

consistent mechanical coupling to the core sensors over a broad

frequency range. The electrical interface is through a 14-pin

connector on a 36 mm flexible cable, which enables a wide

range of location and orientation options for system mating

connectors.

APPLICATIONS

Vibration analysis

CBM systems

Machine health

Instrumentation and diagnostics

Safety shutoff sensing

The ADcmXL3021 requires only a single, 3.3 V power supply and

supports an operating temperature range of −40°C to +105°C.

Rev. 0

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

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.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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与ADCMXL3021相关器件

型号	品牌	获取价格	描述	数据表
ADCMXL-BRKOUT	ADI	获取价格	Wide Bandwidth, Low Noise, Vibration Sensor
ADCMXL-PCBZ	ADI	获取价格	Wide Bandwidth, Low Noise, Vibration Sensor
ADCO1-FREQ-D-G	ABRACON	获取价格	HCMOS/TTL Output Clock Oscillator, 12MHz Min, 35MHz Max, FULL SIZE, DIP-4
ADCO1-FREQ-D-G-OUT29	ABRACON	获取价格	XO, Clock, CRYSTAL OSCILLATOR, CLOCK, 12 MHz - 35 MHz, HCMOS/TTL OUTPUT, FULL SIZE, DIP-4
ADCO1-FREQ-D-Q10	ABRACON	获取价格	HCMOS/TTL Output Clock Oscillator, 12MHz Min, 35MHz Max, FULL SIZE, DIP-4
ADCO1-FREQ-D-Q10-OUT29	ABRACON	获取价格	XO, Clock, CRYSTAL OSCILLATOR, CLOCK, 12 MHz - 35 MHz, HCMOS/TTL OUTPUT, FULL SIZE, DIP-4
ADCO1-FREQ-D-Q15	ABRACON	获取价格	HCMOS/TTL Output Clock Oscillator, 12MHz Min, 35MHz Max, FULL SIZE, DIP-4
ADCO1-FREQ-D-Q15-OUT29	ABRACON	获取价格	XO, Clock, CRYSTAL OSCILLATOR, CLOCK, 12 MHz - 35 MHz, HCMOS/TTL OUTPUT, FULL SIZE, DIP-4
ADCO1-FREQ-D-Q20	ABRACON	获取价格	HCMOS/TTL Output Clock Oscillator, 12MHz Min, 35MHz Max, FULL SIZE, DIP-4
ADCO1-FREQ-D-Q20-OUT29	ABRACON	获取价格	XO, Clock, CRYSTAL OSCILLATOR, CLOCK, 12 MHz - 35 MHz, HCMOS/TTL OUTPUT, FULL SIZE, DIP-4

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