ADIS16505-2SLASHPCBZ datasheet(32/41 Pages) AD

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ADIS16505

Data Sheet

Rev. C | Page 32 of 41

These registers influence the z-axis gyroscope measurements in

the same manner that the XG_BIAS_LOW and XG_BIAS_HIGH

registers influence the x-axis gyroscope measurements (see

Figure 56).

Calibration, Accelerometer Bias (XA_BIAS_LOW and

XA_BIAS_HIGH)

Table 89. XA_BIAS_LOW Register Definition

Addresses

Default

Access

Flash Backup

0x4C, 0x4D

0x0000

R/W

Yes

Table 90. XA_BIAS_LOW Bit Definitions

Bits

Description

[15:0]

X-axis accelerometer offset correction; lower word

Table 91. XA_BIAS_HIGH Register Definition

Addresses

Default

Access

Flash Backup

0x4E, 0x4F

0x0000

R/W

Yes

Table 92. XA_BIAS_HIGH Bit Definitions

Bits

Description

[15:0]

X-axis accelerometer offset correction, upper word

The XA_BIAS_LOW (see Table 89 and Table 90) and XA_BIAS_

HIGH (see Table 91 and Table 92) registers combine to allow

users to adjust the bias of the x-axis accelerometers. The data

format examples in Table 27 also apply to the XA_BIAS_HIGH

32-bit combination of the XA_BIAS_LOW and XA_BIAS_HIGH

registers. See Figure 57 for an illustration of how these two registers

combine and influence the x-axis accelerometer measurements.

X-AXIS

ACCL

FACTORY

CALIBRATION

AND

FILTERING

X_ACCL_OUT

X_ACCL_LOW

XA_BIAS_HIGH

XA_BIAS_LOW

Figure 57. User Calibration Signal Path, Accelerometers

Calibration, Accelerometer Bias (YA_BIAS_LOW and

YA_BIAS_HIGH)

Table 93. YA_BIAS_LOW Register Definition

Addresses

Default

Access

Flash Backup

0x50, 0x51

0x0000

R/W

Yes

Table 94. YA_BIAS_LOW Bit Definitions

Bits

Description

[15:0]

Y-axis accelerometer offset correction; lower word

Table 95. YA_BIAS_HIGH Register Definition

Addresses

Default

Access

Flash Backup

0x52, 0x53

0x0000

R/W

Yes

Table 96. YA_BIAS_HIGH Bit Definitions

Bits

Description

[15:0]

Y-axis accelerometer offset correction, upper word

The YA_BIAS_LOW (see Table 93 and Table 94) and

YA_BIAS_HIGH (see Table 95 and Table 96) registers combine to

allow users to adjust the bias of the y-axis accelerometers. The data

format examples in Table 27 also apply to the YA_BIAS_HIGH

32-bit combination of the YA_BIAS_LOW and YA_BIAS_HIGH

registers. These registers influence the y-axis accelerometer

measurements in the same manner that the XA_BIAS_LOW

and XA_BIAS_HIGH registers influence the x-axis accelerometer

measurements (see Figure 57).

Calibration, Accelerometer Bias (ZA_BIAS_LOW and

ZA_BIAS_HIGH)

Table 97. ZA_BIAS_LOW Register Definition

Addresses

Default

Access

Flash Backup

0x54, 0x55

0x0000

R/W

Yes

Table 98. ZA_BIAS_LOW Bit Definitions

Bits

Description

[15:0]

Z-axis accelerometer offset correction; lower word

Table 99. ZA_BIAS_HIGH Register Definition

Addresses

Default

Access

Flash Backup

0x56, 0x57

0x0000

R/W

Yes

Table 100. ZA_BIAS_HIGH Bit Definitions

Bits

Description

[15:0]

Z-axis accelerometer offset correction, upper word

The ZA_BIAS_LOW (see Table 97 and Table 98) and ZA_BIAS_

HIGH (see Table 99 and Table 100) registers combine to allow

users to adjust the bias of the z-axis accelerometers. The data

format examples in Table 27 also apply to the ZA_BIAS_HIGH

32-bit combination of the ZA_BIAS_LOW and ZA_BIAS_HIGH

registers. These registers influence the z-axis accelerometer

measurements in the same manner that the XA_BIAS_LOW

and XA_BIAS_HIGH registers influence the x-axis accelerometer

measurements (see Figure 57).

ADIS16505-2/PCBZ Datasheet(PDF) 32 Page - Analog Devices

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