Datasheet ADIS16475 (Analog Devices) - 4

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Data Sheet ADIS16475 SPECIFICATIONS
Case temperature (TC) = 25°C, VDD = 3.3 V, angular rate = 0°/sec, dynamic range = ±2000°/sec ± 1 g, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
GYROSCOPES Dynamic Range ADIS16475-1 ±125 °/sec ADIS16475-2 ±500 °/sec ADIS16475-3 ±2000 °/sec Sensitivity ADIS16475-1, 32-bit 10,485,760 LSB/°/sec ADIS16475-2, 32-bit 2,621,440 LSB/°/sec ADIS16475-3, 32-bit 655,360 LSB/°/sec Error over Temperature −40°C ≤ TC ≤ +85°C, 1σ ±0.3 % Misalignment Error Axis to axis, −40°C ≤ TC ≤ +85°C, 1 σ ±0.1 Degrees Nonlinearity1 ADIS16475-1, full scale (FS) = 125°/sec 0.2 % FS ADIS16475-2, FS = 500°/sec 0.2 % FS ADIS16475-3, FS = 2000°/sec 0.25 % FS Bias Repeatability2 −40°C ≤ TC ≤ +85°C, 1 σ 0.7 °/sec In-Run Bias Stability ADIS16475-1, 1 σ 2 °/hr ADIS16475-2, 1 σ 2.5 °/hr ADIS16475-3, 1 σ 7 °/hr Angular Random Walk ADIS16475-1, 1 σ 0.15 °/√hr ADIS16475-2, 1 σ 0.15 °/√hr ADIS16475-3, 1 σ 0.3 °/√hr Error over Temperature −40°C ≤ TC ≤ +85°C, 1 σ ±0.2 °/sec Linear Acceleration Effect Any direction, 1 σ 0.01 °/sec/g Vibration Rectified Error (VRE) Random vibration, 2 grms, 50 Hz to 2 kHz 0.0005 °/sec/g2 Output Noise ADIS16475-1, 1 σ, no filtering 0.07 °/sec rms ADIS16475-2, 1 σ, no filtering 0.08 °/sec rms ADIS16475-3, 1 σ, no filtering 0.17 °/sec rms Rate Noise Density ADIS16475-1, f = 10 Hz to 40 Hz 0.003 °/sec/√Hz rms ADIS16475-2, f = 10 Hz to 40 Hz 0.003 °/sec/√Hz rms ADIS16475-3, f = 10 Hz to 40 Hz 0.007 °/sec/√Hz rms 3 dB Bandwidth 550 Hz Sensor Resonant Frequency 66 kHz ACCELEROMETERS3 Each axis Dynamic Range ±8 g Sensitivity 32-bit data format 262,144,000 LSB/g Error over temperature −40°C ≤ TC ≤ +85°C, 1 σ ±0.1 % Misalignment Error Axis to axis, −40°C ≤ TC ≤ +85°C, 1 σ ±0.05 Degrees Nonlinearity Best fit straight line, ±2 g 0.25 % FS Best fit straight line, ±8 g, x-axis 0.5 % FS Best fit straight line, ±8 g, y-axis and z-axis 1.5 % FS Bias In-Run Bias Stability 1 σ 3.6 μg Velocity Random Walk 1 σ 0.012 m/sec/√hr Error over Temperature −40°C ≤ TC ≤ +85°C, 1 σ ±1 mg Output Noise No filtering 0.6 mg rms Noise Density f = 10 Hz to 40 Hz, no filtering 23 μg/√Hz rms 3 dB Bandwidth 600 Hz Sensor Resonant Frequency Y-axis and z-axis 2.4 kHz X-axis 2.2 kHz Rev. A | Page 3 of 33 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INTRODUCTION INERTIAL SENSOR SIGNAL CHAIN Gyroscope Data Sampling Accelerometer Data Sampling External Clock Options Inertial Sensor Calibration Bartlett Window FIR Filter Averaging/Decimating Filter REGISTER STRUCTURE SERIAL PERIPHERAL INTERFACE (SPI) DATA READY (DR) READING SENSOR DATA Burst Read Function DEVICE CONFIGURATION Memory Structure USER REGISTER MEMORY MAP USER REGISTER DEFINTIONS Status/Error Flag Indicators (DIAG_STAT) GYROSCOPE DATA Gyroscope Measurement Range/Scale Factor Gyroscope Data Formatting X-Axis Gyroscope (X_GYRO_LOW and X_GYRO_OUT) Y-Axis Gyroscope (Y_GYRO_LOW and Y_GYRO_OUT) Z-Axis Gyroscope (Z_GYRO_LOW and Z_GYRO_OUT) Acceleration Data Accelerometer Resolution X-Axis Accelerometer (X_ACCL_LOW and X_ACCL_OUT) Y-Axis Accelerometer (Y_ACCL_LOW and Y_ACCL_OUT) Z-Axis Accelerometer (Z_ACCL_LOW and Z_ACCL_OUT) Internal Temperature (TEMP_OUT) Time Stamp (TIME_STAMP) Data Update Counter (DATA_CNTR) DELTA ANGLES Delta Angle Measurement Range X-Axis Delta Angle (X_DELTANG_LOW and X_DELTANG_OUT) Y-Axis Delta Angle (Y_DELTANG_LOW and Y_DELTANG_OUT) Z-Axis Delta Angle (Z_DELTANG_LOW and Z_DELTANG_OUT) Delta Angle Resolution DELTA VELOCITY X-Axis Delta Velocity (X_DELTVEL_LOW and X_DELTVEL_OUT) Y-Axis Delta Velocity (Y_DELTVEL_LOW and Y_DELTVEL_OUT) Z-Axis Delta Velocity (Z_DELTVEL_LOW and Z_DELTVEL_OUT) Delta Velocity Resolution CALIBRATION Calibration, Gyroscope Bias (XG_BIAS_LOW and XG_BIAS_HIGH) Calibration, Gyroscope Bias (YG_BIAS_LOW and YG_BIAS_HIGH) Calibration, Gyroscope Bias (ZG_BIAS_LOW and ZG_BIAS_HIGH) Calibration, Accelerometer Bias (XA_BIAS_LOW and XA_BIAS_HIGH) Calibration, Accelerometer Bias (YA_BIAS_LOW and YA_BIAS_HIGH) Calibration, Accelerometer Bias (ZA_BIAS_LOW and ZA_BIAS_HIGH) Filter Control Register (FILT_CTRL) Range Identifier (RANG_MDL) Miscellaneous Control Register (MSC_CTRL) Point of Percussion Linear Acceleration Effect on Gyroscope Bias Internal Clock Mode Output Sync Mode Direct Sync Mode Pulse Sync Mode Scaled Sync Mode Decimation Filter (DEC_RATE) Data Update Rate in External Sync Modes Continuous Bias Estimation (NULL_CNFG) Global Commands (GLOB_CMD) Software Reset Flash Memory Test Flash Memory Update Sensor Self Test Factory Calibration Restore Bias Correction Update Firmware Revision (FIRM_REV) Firmware Revision Day and Month (FIRM_DM) Firmware Revision Year (FIRM_Y) Product Identification (PROD_ID) Serial Number (SERIAL_NUM) Scratch Registers (USER_SCR_1 to USER_SCR_3) Flash Memory Endurance Counter (FLSHCNT_LOW and FLSHCNT_HIGH) APPLICATIONS INFORMATION ASSEMBLY AND HANDLING TIPS Package Attributes Assembly Tips PCB Layout Suggestions Underfill Process Validation and Control POWER SUPPLY CONSIDERATIONS EVALUATION TOOLS Breakout Boards PC-Based Evaluation, EVAL-ADIS2 PACKAGING AND ORDERING INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE