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ADIS16489 Datasheet(PDF) 24 Page - Analog Devices |
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ADIS16489 Datasheet(HTML) 24 Page - Analog Devices |
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24 / 40 page  ADIS16489 Data Sheet Rev. B | Page 24 of 40 X-AXIS GYRO FACTORY CALIBRATION AND FILTERING X_GYRO_OUT X_GYRO_LOW XG_BIAS_HIGH XG_BIAS_LOW 1 + X_GYRO_SCALE Figure 27. User Calibration Signal Path, Gyroscopes Calibration, Gyroscope Scale (Y_GYRO_SCALE) Table 98. Y_GYRO_SCALE Register Definitions Page Addresses Default Access Flash Backup 0x02 0x06, 0x07 0x0000 R/W Yes Table 99. Y_GYRO_SCALE Bit Definitions Bits Description [15:0] Y-axis gyroscope scale correction; twos complement, 0x0000 = unity gain, 1 LSB = 1 ÷ 215 = ~0.003052% The Y_GYRO_SCALE register (see Table 98 and Table 99) allows users to adjust the scale factor for the y-axis gyroscopes. This register influences the y-axis gyroscope measurements in the same manner that X_GYRO_SCALE influences the x-axis gyroscope measurements (see Figure 27). Calibration, Gyroscope Scale (Z_GYRO_SCALE) Table 100. Z_GYRO_SCALE Register Definitions Page Addresses Default Access Flash Backup 0x02 0x08, 0x09 0x0000 R/W Yes Table 101. Z_GYRO_SCALE Bit Definitions Bits Description [15:0] Z-axis gyroscope scale correction; twos complement, 0x0000 = unity gain, 1 LSB = 1 ÷ 215 = ~0.003052% The Z_GYRO_SCALE register (see Table 100 and Table 101) allows users to adjust the scale factor for the z-axis gyroscopes. This register influences the z-axis gyroscope measurements in the same manner that X_GYRO_SCALE influences the x-axis gyroscope measurements (see Figure 27). Calibration, Accelerometer Scale (X_ACCL_SCALE) Table 102. X_ACCL_SCALE Register Definitions Page Addresses Default Access Flash Backup 0x02 0x0A, 0x0B 0x0000 R/W Yes Table 103. X_ACCL_SCALE Bit Definitions Bits Description [15:0] X-axis accelerometer scale correction; twos complement, 0x0000 = unity gain, 1 LSB = 1 ÷ 215 = ~0.003052% The X_ACCL_SCALE register (see Table 102 and Table 103) allows users to adjust the scale factor for the x-axis accelerometers. See Figure 28 for an illustration of how this scale factor influences the x-axis accelerometer data. X-AXIS ACCL FACTORY CALIBRATION AND FILTERING X_ACCL_OUT X_ACCL_LOW XA_BIAS_HIGH XA_BIAS_LOW 1 + X_ACCL_SCALE Figure 28. User Calibration Signal Path, Accelerometers Calibration, Accelerometer Scale (Y_ACCL_SCALE) Table 104. Y_ACCL_SCALE Register Definitions Page Addresses Default Access Flash Backup 0x02 0x0C, 0x0D 0x0000 R/W Yes Table 105. Y_ACCL_SCALE Bit Definitions Bits Description [15:0] Y-axis accelerometer scale correction; twos complement, 0x0000 = unity gain, 1 LSB = 1 ÷ 215 = ~0.003052% The Y_ACCL_SCALE register (see Table 104 and Table 105) allows users to adjust the scale factor for the y-axis accelerometers. This register influences the y-axis accelerometer measurements in the same manner that the X_ACCL_SCALE influences the x-axis accelerometer measurements (see Figure 28). Calibration, Accelerometer Scale (Z_ACCL_SCALE) Table 106. Z_ACCL_SCALE Register Definitions Page Addresses Default Access Flash Backup 0x02 0x0E, 0x0F 0x0000 R/W Yes Table 107. Z_ACCL_SCALE Bit Definitions Bits Description [15:0] Z-axis accelerometer scale correction; twos complement, 0x0000 = unity gain, 1 LSB = 1 ÷ 215 = ~0.003052% The Z_ACCL_SCALE register (see Table 106 and Table 107) allows users to adjust the scale factor for the z-axis accelerometers. This register influences the z-axis accelerometer measurements in the same manner that the X_ACCL_SCALE influences the x-axis accelerometer measurements (see Figure 28). Calibration, Gyroscope Bias (XG_BIAS_LOW, XG_BIAS_HIGH) Table 108. XG_BIAS_LOW Register Definitions Page Addresses Default Access Flash Backup 0x02 0x10, 0x11 0x0000 R/W Yes Table 109. XG_BIAS_LOW Bit Definitions Bits Description [15:0] X-axis gyroscope offset correction, low word Table 110. XG_BIAS_HIGH Register Definitions Page Addresses Default Access Flash Backup 0x02 0x12, 0x13 0x0000 R/W Yes Table 111. XG_BIAS_HIGH Bit Definitions Bits Description [15:0] X-axis gyroscope offset correction, high word twos complement, 0°/sec = 0x0000, 1 LSB = 0.02°/sec |
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