Datasheet ADIS16260, ADIS16265 (Analog Devices) - 13

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Data Sheet ADIS16260/ADIS16265 PROCESSING SENSOR DATA Table 11. ANGL_OUT Data Format Examples
Table 8 provides a summary of the output data registers, which
Angle1 Decimal Hex Binary Output
use the bit pattern shown in Figure 14. The ND bit is equal to 1 359.9630° 9827 LSB 0x2663 10 0110 0110 0011 when the register contains unread data. The EA bit is high when 359.9264° 9826 LSB 0x2662 10 0110 0110 0010 any error/alarm flag in the DIAG_STAT register is equal to 1. 0.36630° 10 LSB 0x000A 00 0000 0000 1010
MSB FOR 14-BIT OUTPUT
0.03663° 1 LSB 0x0001 00 0000 0000 0001
ND EA
0° 0 LSB 0x0000 00 0000 0000 0000 021
MSB FOR 12-BIT OUTPUT
08246- 1 359.963° + 1 LSB is equal to 0x0000. Figure 14. Output Register Bit Assignments
Table 8. Output Data Register Formats Table 12. TEMP_OUT Data Format Examples Register Bits Scale Reference Temperature Decimal Hex Binary Output
SUPPLY_OUT 12 1.8315 mV See Table 9 +105°C +551 LSB 0x227 0010 0010 0111 GYRO_OUT1 14 0.07326°/sec See Table 10 +25.1453°C +1 LSB 0x001 0000 0000 0001 ANGL_OUT 14 0.03663° See Table 11 +25°C 0 LSB 0x000 0000 0000 0000 TEMP_OUT2 12 0.1453°C See Table 12 +24.8547°C −1 LSB 0xFFF 1111 1111 1111 AUX_ADC 12 610.5 µV See Table 13 −40°C −447 LSB 0xE41 1110 0100 0001 1 Assumes that the scaling is set to ±320°/sec. This factor scales with the range. 2 0x0000 = 25°C (±5°C).
Table 13. AUX_ADC Data Format Examples Input (mV) Decimal Hex Binary Output Table 9. SUPPLY_OUT Data Format Examples
2500 4095 LSB 0xFFF 1111 1111 1111
Supply
1200 1966 LSB 0x7AE 0111 1010 1110
Voltage (V) Decimal Hex Binary Output
0.6105 1 LSB 0x001 0000 0000 0001 5.25 2867 LSB 0xB33 1011 0011 0011 0 0 LSB 0x000 0000 0000 0000 5.0 + 0.00183 2731 LSB 0xAAB 1010 1010 1011 5.0 2730 LSB 0xAAA 1010 1010 1010
OPERATIONAL CONTROLS
5.0 − 0.00183 2729 LSB 0xAA9 1010 1010 1001 4.75 2594 LSB 0xA22 1010 0010 0010
Internal Sample Rate
The SMPL_PRD register controls the internal sample rate using the bit assignments in Table 14. When SMPL_PRD[7:0] = 0x00, the
Table 10. GYRO_OUT Data Format Examples
internal sample rate is 2048 SPS. When SMPL_PRD[7:0] ≥ 0x01,
Rotation
use the bit definitions in Table 14 and the following equation to
Rate (°/sec)1 Decimal Hex Binary Output
calculate the sample rate. +320 +4368 LSB 0x1110 01 0001 0001 0000 +0.07326 +1 LSB 0x0001 00 0000 0000 0001 1 1 f = = S 0 0 LSB 0x0000 00 0000 0000 0000 t t × S B ( N + S 1) −0.07326 −1 LSB 0x3FFF 11 1111 1111 1111 −320 −4368 LSB 0x2EF0 10 1110 1111 0000
Table 14. SMPL_PRD Bit Descriptions Bits Description (Default = 0x0001)
1 For the ±320°/sec setting, rate values scale with the range setting. [15:8] Not used [7] Time base (tB): 0 = 1.953 ms, 1 = 60.54 ms [6:0] Increment setting (NS) Rev. E | Page 13 of 20 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Sensing Element Data Sampling and Processing User Interface SPI Interface User Registers Basic Operation SPI Write Commands SPI Read Commands Memory Map Processing Sensor Data Operational Controls Internal Sample Rate Sensor Bandwidth Digital Filtering Dynamic Range Calibration Global Commands Power Management Input/Output Functions General-Purpose I/O Data Ready I/O Indicator Auxiliary DAC Diagnostics Self-Test Memory Test Status Alarm Registers Product Identification Applications Information Assembly Bias Optimization Interface Printed Circuit Board (PCB) Outline Dimensions Ordering Guide