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PDF ADIS16223 Data sheet ( Hoja de datos )
| Número de pieza | ADIS16223 | |
| Descripción | Digital Tri-Axial Vibration Sensor | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Digital Tri-Axial Vibration Sensor
ADIS16223
FEATURES
GENERAL DESCRIPTION
Tri-axial vibration sensing: ±70 g range
Wide bandwidth: 14 kHz
Programmable digital filters, low-pass/band-pass options
Data capture function
3-channels, 1024 samples each, 72.9 kSPS sample rate
Capture modes for managing machine life
Manual: early baseline characterization/validation
Automatic: periodic check for midlife performance shifts
Event: end-of-life monitoring for critical conditions
Extended: triple the record length for a single axis
Digital temperature, power supply measurements
Programmable operation and control
Capture mode and sample rate
I/O: data ready, alarm, capture trigger, general-purpose
Four alarm settings with threshold limits
Digitally activated self-test
SPI-compatible serial interface
Serial number and device ID
Single-supply operation: 3.15 V to 3.6 V
Operating temperature range: −40°C to +125°C
15 mm × 15 mm × 15 mm package with flexible connector
APPLICATIONS
The ADIS16223 iSensor® is a tri-axial, digital vibration sensor
system that combines industry-leading iMEMS® sensing technology
with signal processing, data capture, and a convenient serial
peripheral interface (SPI). The SPI and data buffer structure
provide convenient access to wide bandwidth sensor data. The
22 kHz sensor resonance and 72.9 kSPS sample rate provide a
frequency response that is suitable for machine-health applications.
The programmable digital filter offers low-pass and band-pass
configuration options.
An internal clock drives the data sampling system during a data
capture event, which eliminates the need for an external clock
source. The data capture function has four different modes that
offer several capture trigger options to meet the needs of many
different applications.
The ADIS16223 also offers a digital temperature sensor, digital
power supply measurements, and peak output capture.
The ADIS16223 is available in a 15 mm × 15 mm × 15 mm module
with a threaded hole for stud mounting with a 10-32 UNF screw.
The dual-row, 1 mm, 14-pin, flexible connector enables simple
user interface and installation. It has an extended operating
temperature range of −40°C to +125°C.
Vibration analysis
Shock detection and event capture
Condition monitoring
Machine health
Instrumentation, diagnostics
Safety, shutoff sensing
Security sensing, tamper detection
FUNCTIONAL BLOCK DIAGRAM
DIO1 DIO2 RST
VDD
SELF-TEST
INPUT/
OUTPUT
ALARMS
POWER
MANAGEMENT
GND
TRIAXIAL
MEMS
SENSOR
TEMP
SENSOR
ADIS16223
ADC
CONTROLLER
USER
CONTROL
REGISTERS
CLOCK FILTER
CAPTURE
BUFFER
OUTPUT
DATA
REGISTERS
SPI
PORT
Figure 1.
CS
SCLK
DIN
DOUT
Rev. 0
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2010 Analog Devices, Inc. All rights reserved.
Free Datasheet http://www.datasheet4u.com/
1 page  
ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter
Acceleration
Any Axis, Unpowered
Any Axis, Powered
VDD to GND
Digital Input Voltage to GND
Digital Output Voltage to GND
Analog Inputs to GND
Operating Temperature Range
Storage Temperature Range
Rating
2000 g
2000 g
−0.3 V to +6.0 V
−0.3 V to +5.3 V
−0.3 V to VDD + 0.3 V
−0.3 V to +3.6 V
−40°C to +125°C
−65°C to +150°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ADIS16223
Table 4. Package Characteristics
Package Type
θJA
θJC
14-Lead Module
31°C/W 11°C/W
Device Weight
6.5 grams
ESD CAUTION
Rev. 0 | Page 5 of 20
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5 Page 
CAPTURE/ALARM CONFIGURATION
Table 14 provides a list of the control registers for the user
configuration of the capture function. The address column in
Table 14 represents the lower byte address for each register.
Table 14. Capture Configuration Register Summary
Register
Name
Lower Byte
Address
Description
CAPT_CTRL 0x1C
Capture configuration
CAPT_PRD 0x1E
Capture period (automatic mode)
ALM_MAGX 0x20
X-axis alarm threshold (event mode)
ALM_MAGY 0x22
Y-axis alarm threshold (event mode)
ALM_MAGZ 0x24
Z-axis alarm threshold (event mode)
ALM_S_MAG 0x26
System alarm
ALM_CTRL 0x28
Alarm control (event)
DIO_CTRL 0x36
Digital I/O configuration
GLOB_CMD 0x3E
Capture commands
The CAPT_CTRL register in Table 15 provides the primary user
control for capture mode configuration. It provides four different
modes of capture: manual, automatic, event, and extended.
Configure the mode by writing to the CAPT_CTRL register,
then use either GLOB_CMD[11] (see Table 27) or one of the
digital I/O lines (DIO1 or DIO2) as a manual trigger to start
operation. Use the DIO_CTRL register in Table 28 to configure
either DIO1 or DIO2 as a manual trigger input line. The manual
trigger can also stop a capture event that is processing and
return the device to an idle state.
Table 15. CAPT_CTRL Bit Descriptions
Bits Description (Default = 0x0020)
[15:10] Reserved
[9:8] Extended mode channel selection
00 = x-axis
01 = y-axis
10 = z-axis
11 = reserved
[7] Band-pass filter, 1 = enabled
[6] Automatically store capture buffers to flash upon alarm
trigger, 1 = enabled
[5:4] Pre-event capture length for event mode
00 = 64 samples
01 = 128 samples
10 = 256 samples
11 = 512 samples
[3:2] Capture mode
00 = manual
01 = automatic
10 = event
11 = extended
[1] Power-down between capture events, 1 = enabled
[0] Reserved
ADIS16223
MANUAL MODE
Table 16 provides an example configuration sequence for manual
mode. When using the factory default configuration, the first
step in this example is unnecessary. Use the manual trigger to
start the data capture process.
Table 16. Manual Mode Configuration Example
DIN Description
0x9C00 Set CAPT_CTRL[7:0] = 0x00 to select manual mode
0xBF08 Set GLOB_CMD[11] = 1 to start the data capture
AUTOMATIC MODE
Table 18 provides a configuration example for automatic mode,
where the manual trigger results in a data capture and then begins a
countdown sequence to start another data capture. This example
also uses the option for shutting down the device to save power
after the data capture completes. The CAPT_PRD register in
Table 17 provides users with the ability to establish the countdown
time in automatic mode.
Table 17. CAPT_PRD Register Bit Descriptions
Bits Description (Default = 0x0000)
[15:10] Reserved
[9:8] Scale for data bits
00 = 1 second/LSB
01 = 1 minute/LSB
10 = 1 hour/LSB
[7:0] Data bits, binary format
Table 18. Automatic Mode Configuration Example
DIN Description
0x9F02 Set CAPT_PRD[15:8] = 0x02 to set time scale to hours
0x9E18 Set CAPT_PRD[7:0] = 0x18 to set the period to 24 hours
0x9C06 Set CAPT_CTRL[7:0] = 0x06 to select automatic trigger
mode and enable shutdown in between captures
0xBF08 Set GLOB_CMD[11] = 1 to execute a capture, shut down,
and begin the 24-hour countdown for the next capture
Rev. 0 | Page 11 of 20
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADIS16223.PDF ] | |
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