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Analog Devices - +-150 /sec Yaw Rate Gyroscope

Numéro de référence ADXRS623
Description +-150 /sec Yaw Rate Gyroscope
Fabricant Analog Devices 
Logo Analog Devices 





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ADXRS623 fiche technique
FEATURES
Complete rate gyroscope on a single chip
Z-axis (yaw rate) response
High vibration rejection over wide frequency
2000 g powered shock survivability
Ratiometric to referenced supply
5 V single-supply operation
–40°C to +105°C operation
Self-test on digital command
Ultrasmall and light (<0.15 cc, <0.5 gram)
Temperature sensor output
RoHS compliant
APPLICATIONS
Inertial measurement units
Platform stabilization
Robotics
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±150°/Sec Yaw Rate Gyroscope
ADXRS623
GENERAL DESCRIPTION
The ADXRS623 is a complete angular rate sensor (gyroscope)
that uses the Analog Devices, Inc., surface-micromachining
process to create a functionally complete and low cost angular
rate sensor integrated with all required electronics on one chip.
The manufacturing technique for this device is the same high
volume BiMOS process used for high reliability automotive
airbag accelerometers.
The output signal, RATEOUT (1B, 2A), is a voltage proportional
to the angular rate about the axis that is normal to the top surface
of the package. The output is ratiometric with respect to a pro-
vided reference supply. An external capacitor sets the bandwidth.
Other external capacitors are required for operation.
A temperature output is provided for compensation techniques.
Two digital self-test inputs electromechanically excite the sensor
to test proper operation of both the sensor and the signal con-
ditioning circuits. The ADXRS623 is available in a 7 mm × 7 mm
× 3 mm ceramic ball grid array (CBGA) package.
FUNCTIONAL BLOCK DIAGRAM
+5V
(ADC REF)
100nF
+5V
AVCC
100nF
AGND
ST2 ST1
SELF-TEST
DRIVE
AMP
MECHANICAL
SENSOR
TEMP VRATIO
ADXRS623
25k25k
@ 25°C
AC
AMP
VGA
DEMOD
+5V
VDD
100nF
PGND
CHARGE PUMP
AND VOLTAGE
REGULATOR
CP1 CP2 CP3 CP4 CP5 SUMJ
180k± 1%
RATEOUT
22nF
22nF
100nF
COUT
Figure 1.
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.

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