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PDF ADXL105 Data sheet ( Hoja de datos )
| Número de pieza | ADXL105 | |
| Descripción | High Accuracy 61 g to 65 g Single Axis iMEMS Accelerometer with Analog Input | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ADXL105 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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a High Accuracy ؎1 g to ؎5 g Single Axis
iMEMS® Accelerometer with Analog Input
ADXL105*
FEATURES
Monolithic IC Chip
2 mg Resolution
10 kHz Bandwidth
Flat Amplitude Response (؎1%) to 5 kHz
Low Bias and Sensitivity Drift
Low Power 2 mA
Output Ratiometric to Supply
User Scalable g Range
On-Board Temperature Sensor
Uncommitted Amplifier
Surface Mount Package
+2.7 V to +5.25 V Single Supply Operation
1000 g Shock Survival
APPLICATIONS
Automotive
Accurate Tilt Sensing with Fast Response
Machine Health and Vibration Measurement
Affordable Inertial Sensing of Velocity and Position
Seismic Sensing
Rotational Acceleration
FUNCTIONAL BLOCK DIAGRAM
VDD
TOUT
ST
TEMP
SENSOR
ADXL105
UNCOMMITTED
AMPLIFIER
X SENSOR
COM
COM AOUT VMID VNIN VIN
UCAOUT
GENERAL DESCRIPTION
The ADXL105 is a high performance, high accuracy and com-
plete single-axis acceleration measurement system on a single
monolithic IC. The ADXL105 offers significantly increased
bandwidth and reduced noise versus previously available micro-
machined devices. The ADXL105 measures acceleration with a
full-scale range up to ± 5 g and produces an analog voltage out-
put. Typical noise floor is 225 µg√Hz allowing signals below
2 mg to be resolved. A 10 kHz wide frequency response enables
vibration measurement applications. The product exhibits signifi-
cant reduction in offset and sensitivity drift over temperature
compared to the ADXL05.
The ADXL105 can measure both dynamic accelerations, (typi-
cal of vibration) or static accelerations (such as inertial force,
gravity or tilt).
Output scale factors from 250 mV/g to 1.5 V/g are set using the
on-board uncommitted amplifier and external resistors. The
device features an on-board temperature sensor with an output
of 8 mV/°C for optional temperature compensation of offset vs.
temperature for high accuracy application.
The ADXL105 is available in a hermetic 14-lead surface mount
Cerpak with versions specified for the 0°C to +70°C, and
–40°C to +85°C temperature ranges.
*Patent Pending.
iMEMS is a registered trademark of Analog Devices, Inc.
REV. A
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999
1 page  
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250
200
150
2
345
SUPPLY VOLTAGE
6
Figure 8. Typical Noise Density vs. Supply Voltage
40
35
30
25
20
15
10
5
0
205 210 215 220 225 230 235 240 245
NOISE DENSITY – g / Hz
Figure 9. Noise Distribution*
250
20
18
16
14
12
10
8
6
4
2
0
DEGREES OF MISALIGNMENT
Figure 10. Rotational Die Alignment*
*Data from several characterization lots.
ADXL105
Figure 11. Typical Self-Test Response at VDD = 5 V
15
10
ADXL105 SOLDERED TO PCB
5
0
–5
ADXL105 SOLDERED AND GLUED TO PCB
–10
–15
1
10
100
1000
10000
FREQUENCY – Hz
Figure 12. Frequency Response
100000
400
300 ADXL105 SOLDERED TO PCB
200
100
0
–100
–200
–300
1
ADXL105 SOLDERED AND GLUED TO PCB
10
100
1000
10000
FREQUENCY – Hz
100000
Figure 13. Phase Response
REV. A
–5–
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ADXL105.PDF ] | |
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