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ADIS16IMU5/PCBZ Datasheet(PDF) 27 Page - Analog Devices |
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ADIS16IMU5/PCBZ Datasheet(HTML) 27 Page - Analog Devices |
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27 / 46 page ![]() Data Sheet ADIS16575/ADIS16576/ADIS16577 USER REGISTER DEFINITIONS analog.com Rev. 0 | 27 of 46 Gyroscope Measurement Range and Scale Factor Table 20 provide the measurement range (±ωMAX) and scale factor (KG) for the gyroscope in each ADIS16575/ADIS16576/ADIS16577 model. Table 20. Gyroscope Measurement Range and Scale Factors (16-Bit) Model Range, ±ωMAX (°/sec) Scale Factor, KG (LSB/°/sec) ADIS16575-2, ADIS16576-2, ADIS16577-2 ±450 40 ADIS16576-3, ADIS16577-3 ±2000 10 X-Axis Gyroscope (X_GYRO_LWR and X_GYRO_UPR) Table 21. X_GYRO_LWR Register Definition Addresses Default Access Flash Backup 0x04, 0x05 Not applicable R No Table 22. X_GYRO_LWR Bit Definitions Bits Description [15:0] X-axis gyroscope data; low word; additional resolution bits Table 23. X_GYRO_UPR Register Definition Addresses Default Access Flash Backup 0x06, 0x07 Not applicable R No Table 24. X_GYRO_UPR Bit Definitions Bits Description [15:0] X-axis gyroscope data; high word; twos complement, 0°/sec = 0x0000, 1 LSB = 1/KG (see Table 20 for KG) The X_GYRO_LWR (see Table 21 and Table 22) and X_GYRO_ UPR (see Table 23 and Table 24) registers contain the gyroscope data for the x-axis. Y-Axis Gyroscope (Y_GYRO_LWR and Y_GYRO_UPR) Table 25. Y_GYRO_LWR Register Definition Addresses Default Access Flash Backup 0x08, 0x09 Not applicable R No Table 26. Y_GYRO_LWR Bit Definitions Bits Description [15:0] Y-axis gyroscope data; low word; additional resolution bits Table 27. Y_GYRO_UPR Register Definition Addresses Default Access Flash Backup 0x0A, 0x0B Not applicable R No Table 28. Y_GYRO_UPR Bit Definitions Bits Description [15:0] Y-axis gyroscope data; high word; twos complement, 0°/sec = 0x0000, 1 LSB = 1/KG (see Table 20 for KG) The Y_GYRO_LWR (see Table 25 and Table 26) and Y_GYRO_ UPR (see Table 27 and Table 28) registers contain the gyroscope data for the y-axis. Z-Axis Gyroscope (Z_GYRO_LWR and Z_GYRO_UPR) Table 29. Z_GYRO_LWR Register Definition Addresses Default Access Flash Backup 0x0C, 0x0D Not applicable R No Table 30. Z_GYRO_LWR Bit Definitions Bits Description [15:0] Z-axis gyroscope data; low word; additional resolution bits Table 31. Z_GYRO_UPR Register Definition Addresses Default Access Flash Backup 0x0E, 0x0F Not applicable R No Table 32. Z_GYRO_UPR Bit Definitions Bits Description [15:0] Z-axis gyroscope data; high word; twos complement, 0°/sec = 0x0000, 1 LSB = 1/KG (see Table 20 for KG) The Z_GYRO_LWR (see Table 29 and Table 30) and Z_GYRO_ UPR (see Table 31 and Table 32) registers contain the gyroscope data for the z-axis. ACCELERATION DATA The accelerometers in the ADIS16575/ADIS16576/ADIS16577 measure both dynamic and static acceleration (such as response to gravity) along the same three orthogonal axes that define the axes of rotation for the gyroscopes (x, y, and z). Figure 62 show the orientation of each accelerometer axis and the direction of acceler- ation that produces a positive response in each measurement. Figure 62. Accelerometer Axis and Polarity Assignments |
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