Datasheet ADIS16460 (Analog Devices) - 9

ADIS16460 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 100 10 ) g °/Hr) m ( ( 1 ANCE MEAN + 1σ ANCE MEAN MEAN + 1σ ARI MEAN ARI 10 AN V AN V L L AL AL 0.1 MEAN – 1σ T MEAN – 1σ T O O RO RO 1 0.01 0.01 0.1 1 10 100 1k 10k
007
0.01 0.1 1 10 100 1k 10k
008
Tau (Seconds) Tau (Seconds)
13390- 13390- Figure 7. Gyroscope Root Al an Variance Figure 10. Accelerometer Root Allan Variance
0.5 0.5 S) S) 0.4 0.4 f F f F o o 0.3 0.3 (% (% R R O 0.2 O 0.2 R R MEAN 0.1 Y ER 0.1 Y ER MEAN T MEAN + 1σ T MEAN + 1σ IVI 0 IVI 0 T T SI SI –0.1 MEAN – 1σ –0.1 MEAN – 1σ –0.2 PE SEN –0.2 PE SEN O O –0.3 SC –0.3 SC O O YR –0.4 YR –0.4 G G –0.5 –0.5 –60 –40 –20 0 20 40 60 80 100
100
–60 –40 –20 0 20 40 60 80 100
101
TEMPERATURE (°C) TEMPERATURE (°C)
13390- 13390- Figure 8. Gyroscope Sensitivity Error vs. Cold to Hot Temperature Sweep Figure 11. Gyroscope Sensitivity Error vs. Hot to Cold Temperature Sweep
2.0 2.0 1.5 1.5 °/sec) 1.0 °/sec) 1.0 R ( R ( 0.5 MEAN 0.5 MEAN RRO MEAN + 1σ RRO MEAN + 1σ E E AS 0 AS 0 BI BI E MEAN – 1σ E MEAN – 1σ P –0.5 P –0.5 CO CO S S –1.0 RO –1.0 RO Y Y G G –1.5 –1.5 –2.0 –2.0 –60 –40 –20 0 20 40 60 80 100
102
–60 –40 –20 0 20 40 60 80 100
103
TEMPERATURE (°C) TEMPERATURE (°C)
13390- 13390- Figure 9. Gyroscope Bias Error vs. Cold to Hot Temperature Sweep Figure 12. Gyroscope Bias Error vs. Hot to Cold Temperature Sweep Rev. B | Page 8 of 26 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Timing Diagrams ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION READING SENSOR DATA Burst Read Function SPI Read Test Sequence DEVICE CONFIGURATION Dual Memory Structure USER REGISTERS OUTPUT DATA REGISTERS ROTATION Angular Rate Data Delta Angle Data ACCELEROMETERS Linear Acceleration Delta Velocity Data INTERNAL TEMPERATURE PRODUCT IDENTIFICATION STATUS/ERROR FLAGS Manual Flash Update SPI Communication Failure Sensor Overrange Self Test Failure Flash Test Failure Input Clock Sync Failure SYSTEM FUNCTIONS GLOBAL COMMANDS SOFTWARE RESET FLASH MEMORY TEST MANUAL FLASH UPDATE AUTOMATED SELF TEST INPUT/OUTPUT CONFIGURATION DATA READY (DR) PIN CONFIGURATION SYNC PIN CONFIGURATION Sample Time Indicator Precision Input Sync with Data Counter Direct Sample Control DIGITAL PROCESSING CONFIGURATION GYROSCOPES/ACCELEROMETERS Digital Filtering CALIBRATION GYROSCOPES Gyroscope Bias Error Estimation Gyroscope Bias Correction Factors Single Command Bias Correction ACCELEROMETERS Accelerometer Bias Error Estimation Accelerometer Bias Correction Factors Point of Percussion Alignment RESTORING FACTORY CALIBRATION APPLICATIONS INFORMATION MOUNTING TIPS POWER SUPPLY CONSIDERATIONS BREAKOUT BOARD PC-BASED EVALUATION TOOLS Estimating the Number of Relevant Bits OUTLINE DIMENSIONS ORDERING GUIDE