ADIS16IMU5SLASHPCBZ datasheet(27/46 Pages) AD

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Data Sheet

ADIS16575/ADIS16576/ADIS16577

USER REGISTER DEFINITIONS

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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

ADIS16576-3, ADIS16577-3

±2000

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

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

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

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

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

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

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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