Datasheet ADXRS624 (Analog Devices)

制造商Analog Devices
描述±50°/s Yaw Rate Gyro
页数 / 页13 / 1 — ±50°/s Yaw Rate Gyro. ADXRS624. FEATURES. GENERAL DESCRIPTION. Complete …
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±50°/s Yaw Rate Gyro. ADXRS624. FEATURES. GENERAL DESCRIPTION. Complete rate gyroscope on a single chip

Datasheet ADXRS624 Analog Devices, 修订版: A

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±50°/s Yaw Rate Gyro ADXRS624 FEATURES GENERAL DESCRIPTION Complete rate gyroscope on a single chip
The ADXRS624 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 create a functionally complete and low cost angular
2000 g powered shock survivability
rate sensor integrated with all required electronics on one chip.
Ratiometric to referenced supply
The manufacturing technique for this device is the same high
5 V single-supply operation
volume BiMOS process used for high reliability automotive
105°C operation
airbag accelerometers.
Self-test on digital command Ultrasmall and light (<0.15 cc, <0.5 gram)
The output signal, RATEOUT (1B, 2A), is a voltage proportional
Temperature sensor output
to angular rate about the axis normal to the top surface of the
RoHS compliant
package. The output is ratiometric with respect to a provided
Qualified for automotive applications
reference supply. A single external resistor between SUMJ and
APPLICATIONS
RATEOUT can be used to lower the scale factor. An external capacitor sets the bandwidth. Other external capacitors are
Navigation systems
required for operation.
Inertial measurement units Platform stabilization
A temperature output is provided for compensation techniques.
Robotics
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 +5V (ADC REF) 100nF +5V ST2 ST1 TEMP VRATIO AV ADX ADX RS RS 624 CC 624 100nF SELF-TEST 25kΩ 25kΩ AT 25°C AGND DEMOD DRIVE MECHANICAL AC VGA AMP SENSOR AMP +5V 200kΩ ±5% VDD CHARGE PUMP AND VOLTAGE 100nF REGULATOR PGND CP1 CP2 CP3 CP4 CP5 SUMJ RATEOUT 100nF
001
22nF 22nF COUT
08999- Figure 1. ADXRS624 Block Diagram
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 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 ©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 ADXRS624 and Supply Ratiometricity Null Adjustment Self-Test Function Continuous Self-Test Outline Dimensions Ordering Guide Automotive Products