ADXRS652 Analog Devices, ADXRS652 Datasheet

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ADXRS652

Manufacturer Part Number
ADXRS652
Description
Manufacturer
Analog Devices
Datasheet
FEATURES
FEATURES
Complete rate gyroscope on a single chip
Complete rate gyroscope on a single chip
Z-axis (yaw rate) response
Z-axis (yaw rate) response
High vibration rejection over wide frequency
High vibration rejection over wide frequency
2000 g powered shock survivability
2000 g powered shock survivability
Ratiometric to referenced supply
Ratiometric to referenced supply
5 V single-supply operation
5 V single-supply operation
−40°C to +85°C operation
−40°C to +85°C operation
Self-test on digital command
Self-test on digital command
Ultrasmall and light (<0.15 cc, <0.5 gram)
Ultrasmall and light (<0.15 cc, <0.5 gram)
Temperature sensor output
Temperature sensor output
RoHS compliant
RoHS compliant
APPLICATIONS
APPLICATIONS
Industrial applications
Industrial applications
Inertial measurement units
Inertial measurement units
Platform stabilization
Platform stabilization
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.
Trademarks and registered trademarks are the property of their respective owners.
100nF
100nF
5V
5V
AV
AGND
V
PGND
DD
CC
CP1 CP2 CP3 CP4 CP5
DRIVE
AMP
FUNCTIONAL BLOCK DIAGRAM
FUNCTIONAL BLOCK DIAGRAM
22nF
CHARGE PUMP
AND VOLTAGE
REGULATOR
ST2
MECHANICAL
SELF-TEST
SENSOR
ST1
22nF
Figure 1.
@ 25°C
100nF
SUMJ
25kΩ
TEMP
AMP
AC
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
GENERAL DESCRIPTION
GENERAL DESCRIPTION
The ADXRS652 is a complete angular rate sensor (gyroscope)
The ADXRS652 is a complete angular rate sensor (gyroscope)
that uses the Analog Devices, Inc,. surface-micromachining
that uses the Analog Devices, Inc,. surface-micromachining
process to make a functionally complete and low cost angular
process to make a functionally complete and low cost angular
rate sensor integrated with all of the required electronics on one
rate sensor integrated with all of the required electronics on one
chip. The manufacturing technique for this device is a patented
chip. The manufacturing technique for this device is a patented
high volume BiMOS process with years of proven field
high volume BiMOS process with years of proven field
reliability.
reliability.
The output signal, RATEOUT (1B, 2A), is a voltage propor-
The output signal, RATEOUT (1B, 2A), is a voltage propor-
tional to angular rate about the axis normal to the top surface
tional to angular rate about the axis normal to the top surface
of the package. The output is ratiometric with respect to a
of the package. The output is ratiometric with respect to a
provided reference supply. An external capacitor is used to set
provided reference supply. An external capacitor is used to set
the bandwidth. Other external capacitors are required for
the bandwidth. Other external capacitors are required for
operation.
operation.
A temperature output is provided for compensation techniques.
A temperature output is provided for compensation techniques.
Two digital self-test inputs electromechanically excite the sensor
Two digital self-test inputs electromechanically excite the sensor
to test proper operation of both the sensor and the signal condi-
to test proper operation of both the sensor and the signal condi-
tioning circuits. The ADXRS652 is available in a 7 mm × 7 mm ×
tioning circuits. The ADXRS652 is available in a 7 mm × 7 mm ×
3 mm BGA chip-scale package.
3 mm BGA chip-scale package.
C
OUT
25kΩ
V
RATIO
(ADC REF)
180kΩ ±1%
RATEOUT
5V
VGA
ADXRS652
100nF
±250°/sec Yaw Rate Gyro
DEMOD
©2010 Analog Devices, Inc. All rights reserved.
ADXRS652
www.analog.com

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ADXRS652 Summary of contents

Page 1

... The ADXRS652 is available × × tioning circuits. The ADXRS652 is available × × BGA chip-scale package BGA chip-scale package. ...

Page 2

... Typical Performance Characteristics ............................................. 6 REVISION HISTORY 4/10—Revision 0: Initial Version   Theory of Operation .........................................................................9   Setting Bandwidth .........................................................................9   Temperature Output and Calibration .........................................9   Calibrated Performance ................................................................9   ADXRS652 and Supply Ratiometricity ................................... 10   Null Adjustment ......................................................................... 10   Self-Test Function ...................................................................... 10   Continuous Self-Test .................................................................. 10   Outline Dimensions ....................................................................... 11   Ordering Guide .......................................................................... 11   ...

Page 3

... Temperature Output and Calibration section for more information. ADXRS652 = 100 μA, OUT Unit °/sec mV/°/sec % % °/sec/g °/sec/√Hz Hz kHz kΩ V mV/°C kΩ kΩ ms μA ...

Page 4

... ADXRS652 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Acceleration (Any Axis, 0.5 ms) Unpowered Powered RATIO ST1, ST2 Output Short-Circuit Duration (Any Pin to Common) Operating Temperature Range Storage Temperature Range Stresses above those listed under the Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only ...

Page 5

... Output Amp Summing Junction. No Connection. Reference Supply for Ratiometric Output. Analog Supply Return. Temperature Voltage Output. Self-Test for Sensor 2. Self-Test for Sensor 1. Charge Pump Supply Return. Positive Charge Pump Supply. Rev Page CP4 7 6 CP1 5 CP2 RATEOUT A ADXRS652 ...

Page 6

... ADXRS652 TYPICAL PERFORMANCE CHARACTERISTICS N > 1000 for all typical performance plots, unless otherwise noted RATE OUT (V) Figure 4. Null Output at 25° DRIFT FROM 25°C Figure 5. Null Drift over Temperature ( ...

Page 7

... V) Figure 15. g and g × g Sensitivity for Pulse RATIO Rev Page ADXRS652 VOLTAGE (V) Figure 13. V Output at 25° TEMP RATIO – 100 TEMPERATURE (°C) Output over Temperature, 256 Parts (V ...

Page 8

... ADXRS652 2.0 LAT 1.8 LONG RATE 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 100 1k FREQUENCY (Hz) Figure 16. Typical Response Sinusoidal Vibration (Sensor Bandwidth = 40 Hz) 400 300 DUT1 OFFSET BY +200°/sec 200 100 0 –100 DUT2 OFFSET BY –200°/sec –200 –300 –400 0 50 100 150 TIME (ms) Figure 17. Typical High g (2500 g) Shock Response ...

Page 9

... Figure 21. Normally, this additional filter corner frequency is set to greater than five times the required bandwidth to preserve good phase response. Figure 22 shows the effect of adding a 250 Hz filter to the output of an ADXRS652 set bandwidth (as shown in Figure 21). High frequency demodulation artifacts are attenuated by approximately 18 dB. 0.00001 ...

Page 10

... ST2 must never be greater than AV CONTINUOUS SELF-TEST −0.2% 0.2% The on-chip integration of the ADXRS652 gives it higher reliability than is obtainable with any other high volume manufacturing −0.05% method. Also manufactured under a mature BiMOS process 0.08% that has field-proven reliability additional failure detection measure, power-on self-test can be performed. However, some − ...

Page 11

... Package Description 32-Lead Ceramic Ball Grid Array [CBGA] 32-Lead Ceramic Ball Grid Array [CBGA] 32-Lead Ceramic Ball Grid Array [CBGA] Evaluation Board Rev Page CORNER INDEX AREA 3.20 MAX 2.50 MIN 0.60 COPLANARITY 0.15 0.55 0.50 Package Option BC-32-3 BC-32-3 BC-32-3 ADXRS652 ...

Page 12

... ADXRS652 NOTES ©2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08820-0-4/10(0) Rev Page ...

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