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ADXRS620WBBGZA-RL Datasheet(Arkusz danych) 1 Page - Analog Devices

Numer części ADXRS620WBBGZA-RL
Szczegółowy opis  ±300°/sec Yaw Rate Gyro
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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±300°/sec Yaw Rate Gyro
ADXRS620
Rev. 0
Information furnished by Analog Devices is belie
responsibilityis assumedbyAnalogDevicesforit
rightsofthirdpartiesthatmayresultfromitsuse.Sp
license is granted by implication or otherwise unde
Trademarksandregisteredtrademarksaretheprop
06, Norwood, MA 02062-9106, U.S.A.
www.analog.com
nalog Devices, Inc. All rights reserved.
ved to be accurate and reliable. However, no
suse,norforanyinfringementsof patentsorother
ecificationssubjecttochangewithoutnotice.No
r any patent or patent rights of Analog Devices.
ertyoftheirrespectiveowners.
One Technology Way, P.O. Box 91
Tel: 781.329.4700
Fax: 781.461.3113
©2010 A
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
105
°C operation
Self-test on digital command
Ultrasmall and light (<0.15 cc, <0.5 gram)
Temperature sensor output
RoHS compliant
APPLICATIONS
Vehicle chassis rollover sensing
Inertial measurement units
Platform stabilization
GENERAL DESCRIPTION
The ADXRS620 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 that is used for high reliability automotive
airbag accelerometers.
The output signal, RATEOUT (1B, 2A), is a voltage that is
proportional to angular rate about the axis normal to the top
surface of the package. The output is ratiometric with respect
to a provided 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 condi-
tioning circuits. The ADXRS620 is available in a 7 mm × 7 mm ×
3 mm BGA ceramic package.
FUNCTIONAL BLOCK DIAGRAM
VDD
PGND
AGND
AVCC
ST2 ST1
TEMP
VRATIO
DEMOD
180kΩ ±1%
100nF
100nF
CP1 CP2 CP3 CP4 CP5
SUMJ
RATEOUT
22nF
100nF
22nF
100nF
DRIVE
AMP
MECHANICAL
SENSOR
+5V
+5V
+5V
CHARGE PUMP
AND VOLTAGE
REGULATOR
COUT
(ADC REF)
AC
AMP
VGA
25kΩ
@ 25°C
ADXRS620
25kΩ
SELF-TEST
Figure 1.




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