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ADXRS624WBBGZ Datasheet(Arkusz danych) 1 Page - Analog Devices

Numer części ADXRS624WBBGZ
Szczegółowy opis  50,-50/s Yaw Rate Gyro
Pobierz  12 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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±50°/s Yaw Rate Gyro
ADXRS624
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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.
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
Qualified for automotive applications
APPLICATIONS
Navigation systems
Inertial measurement units
Platform stabilization
Robotics
GENERAL DESCRIPTION
The ADXRS624 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 angular rate about the axis normal to the top surface of the
package. The output is ratiometric with respect to a provided
reference supply. A single external resistor between SUMJ and
RATEOUT can be used to lower the scale factor. 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
conditioning circuits. The ADXRS624 is available in a 7 mm ×
7 mm × 3 mm BGA chip scale package.
FUNCTIONAL BLOCK DIAGRAM
VDD
AGND
PGND
AVCC
ST2
ST1
TEMP
VRATIO
CP1
CP2
CP3
CP4
CP5
SUMJ
RATEOUT
DEMOD
200k
Ω ±5%
22nF
100nF
22nF
100nF
100nF
100nF
DRIVE
AMP
MECHANICAL
SENSOR
CHARGE PUMP
AND VOLTAGE
REGULATOR
COUT
+5V
+5V
+5V
(ADC REF)
AC
AMP
VGA
25k
AT 25°C
ADXRS624
25k
SELF-TEST
Figure 1. ADXRS624 Block Diagram
ADXRS624




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