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ADXL105_15 Datasheet(Arkusz danych) 1 Page - Analog Devices

Numer części ADXL105_15
Szczegółowy opis  High Accuracy 1 g to 5 g Single Axis iMEMS Accelerometer with Analog Input
Pobierz  8 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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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.
a
ADXL105*
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
iMEMS is a registered trademark of Analog Devices, Inc.
*Patent Pending.
FEATURES
Monolithic IC Chip
2 m
g 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
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
2mg 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.
High Accuracy
1
g to
5
g Single Axis
iMEMS® Accelerometer with Analog Input
FUNCTIONAL BLOCK DIAGRAM
VDD
TOUT
ST
COM
AOUT
VMID
VIN
VNIN
UCAOUT
UNCOMMITTED
AMPLIFIER
ADXL105
X SENSOR
TEMP
SENSOR
COM




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