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Datasheet ADXRS622 (Analog Devices)

ПроизводительAnalog Devices
Описание±250°/sec Yaw Rate Gyroscope
Страниц / Страница13 / 1 — ±250°/sec Yaw Rate Gyroscope. ADXRS622. FEATURES. GENERAL DESCRIPTION. …
ВерсияC
Формат / Размер файлаPDF / 355 Кб
Язык документаанглийский

±250°/sec Yaw Rate Gyroscope. ADXRS622. FEATURES. GENERAL DESCRIPTION. Complete rate gyroscope on a single chip

Datasheet ADXRS622 Analog Devices, Версия: C

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±250°/sec Yaw Rate Gyroscope ADXRS622 FEATURES GENERAL DESCRIPTION Complete rate gyroscope on a single chip
The ADXRS622 is a complete angular rate sensor (gyroscope)
Z-axis (yaw rate) response
that uses the Analog Devices, Inc., surface-micromachining
High vibration rejection over wide frequency
process to make a functionally complete and low cost angular
2000 g powered shock survivability
rate sensor, integrated with al of the required electronics on
Ratiometric to referenced supply
one chip. The manufacturing technique for this device is the
5 V single-supply operation
same high volume BiMOS process used for high reliability
105°C operation
automotive airbag accelerometers.
Self-test on digital command
The ADXRS622 is an automotive grade gyroscope that has
Ultrasmall and light: <0.15 cc, <0.5 gram
100% pin, package, temperature, and function compatible to the
Temperature sensor output
available industrial grade ADXRS652 gyroscope. Automotive
RoHS compliant
grade gyroscopes have more extensive guaranteed minimum/
Qualified for automotive applications
maximum specifications due to automotive testing.
APPLICATIONS
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
Vehicle chassis rollover sensing
the package. The output is ratiometric with respect to a provided
Inertial measurement units
reference supply. An external capacitor sets the bandwidth. Other
Platform stabilization
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 ADXRS622 is available in a 7 mm × 7 mm × 3 mm BGA chip-scale package.
FUNCTIONAL BLOCK DIAGRAM 5V (ADC REF) 100nF 5V ST2 ST1 TEMP VRATIO AV ADXRS622 CC 100nF SELF-TEST 25kΩ 25kΩ @ 25°C AGND DEMOD DRIVE MECHANICAL AC VGA AMP SENSOR AMP 5V 180kΩ ±1% VDD CHARGE PUMP AND VOLTAGE 100nF REGULATOR PGND CP1 CP2 CP3 CP4 CP5 SUMJ RATEOUT 100nF
001
22nF 22nF COUT
07754- Figure 1.
Rev. C 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2009–2010 Analog Devices, Inc. All rights reserved.
Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Absolute Maximum Ratings Rate Sensitive Axis ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Setting Bandwidth Temperature Output and Calibration Calibrated Performance ADXRS622 and Supply Ratiometricity Null Adjustment Self-Test Function Continuous Self-Test Outline Dimensions Ordering Guide Automotive Products
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