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PDF ADIS16385 Data sheet ( Hoja de datos )
| Número de pieza | ADIS16385 | |
| Descripción | Six Degrees of Freedom Inertial Sensor | |
| Fabricantes | Analog Devices | |
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Six Degrees of Freedom Inertial Sensor
Preliminary Technical Data
ADIS16385
FEATURES
Triaxis digital gyroscope with digital range scaling
±75°/sec, ±150°/sec, ±300°/sec settings
Orthogonal alignment: <0.05°
In-run bias stability: 6°/hour (yaw), 25°/hour (pitch/roll)
Triaxis digital accelerometer: ±5 g
Autonomous operation and data collection
No external configuration commands required
Startup time: 180 ms
Sleep mode recovery: 4 ms
Factory-calibrated sensitivity, bias, and axial alignment
Calibration temperature range: −40°C to +85°C
Single serial peripheral interface, SPI-compatible
Wide bandwidth: 330 Hz
Embedded temperature sensor
Programmable operation and control
Automatic and manual bias correction controls
Digital filters: Bartlett FIR, average/decimation
Digital I/O: data-ready, alarm indicator, general-purpose
Alarms for condition monitoring
Sleep mode for power management
DAC output voltage
Enable external sample clock input: up to 1.2 kHz
Single-supply operation: 4.85 V to 5.15 V
2000 g shock survivability
Operating temperature range: −40°C to +105°C
APPLICATIONS
Platform stabilization and control
Navigation
Robotics
FUNCTIONAL BLOCK DIAGRAM
AUX_ADC AUX_DAC
TEMPERATURE
SENSOR
TRI-AXIS MEMS
ANGULAR RATE
SENSOR
SIGNAL
CONDITIONING
AND
CONVERSION
CALIBRATION
AND
DIGITAL
PROCESSING
OUTPUT
REGISTERS
AND SPI
INTERFACE
CS
SCLK
DIN
DOUT
TRI-AXIS MEMS
ACCELERATION
SENSOR
SELF-TEST
AAADDDIIISSS111663638365605/
ALARMS
DIGITAL
CONTROL
POWER
MANAGEMENT
VCC
GND
RST DIO1 DIO2 DIO3 DIO4/CLKIN
Figure 1.
GENERAL DESCRIPTION
The ADIS16385 iSensor® devices are complete inertial systems
that include a triaxis gyroscope and triaxis accelerometer. Each
sensor in the ADIS16385 combines industry-leading iMEMS®
technology with signal conditioning that optimizes dynamic
performance. The factory calibration characterizes each sensor
for sensitivity, bias, alignment, and linear acceleration (gyro bias).
As a result, each sensor has its own dynamic compensation formulas
that provide accurate sensor measurements. The yaw-axis gyro-
scope offers a 4× improvement in noise and in-run bias stability
for applications that have greater requirements on one axis.
The ADIS16385 provide a simple, cost-effective method for
integrating accurate, multiaxis inertial sensing into industrial
systems, especially when compared with the complexity and
investment associated with discrete designs. All necessary motion
testing and calibration are part of the production process at the
factory, greatly reducing system integration time. Tight orthogonal
alignment simplifies inertial frame alignment in navigation systems.
The SPI and register structure provide a simple interface for
data collection and configuration control.
The ADIS16385 has a compatible pinout for systems that currently
use ADIS1635x, ADIS1636x, and ADIS1640x IMU products.
It comes in a module that is approximately 36 mm × 47 mm ×
39 mm and has a standard connector interface.
Rev. PrA
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2010 Analog Devices, Inc. All rights reserved.
1 page  
Preliminary Technical Data
ADIS16385www.DataSheet4U.com
TIMING SPECIFICATIONS
TA = 25°C, VCC = 5 V, unless otherwise noted.
Table 2.
Parameter
fSCLK
tSTALL
tREADRATE
tCS
tDAV
tDSU
tDHD
tSCLKR, tSCLKF
tDR, tDF
tSFS
t1
tx
t2
t3
Description
Serial clock
Stall period between data
Read rate
Chip select to clock edge
DOUT valid after SCLK edge
DIN setup time before SCLK rising edge
DIN hold time after SCLK rising edge
SCLK rise/fall times
DOUT rise/fall times
CS high after SCLK edge
Input sync positive pulse width
Input sync low time
Input sync to data ready output
Input sync period
1 Guaranteed by design and characterization, but not tested in production.
Normal Mode
Min1 Typ Max
0.01 2.0
9
40
48.8
100
24.4
48.8
5 12.5
5 12.5
5
5
100
600
833
Min1
0.01
1/fSCLK
Burst Read
Typ Max
1.0
48.8
100
24.4
48.8
5 12.5
5 12.5
5
5
100
600
833
Unit
MHz
μs
μs
ns
ns
ns
ns
ns
ns
ns
μs
μs
μs
μs
TIMING DIAGRAMS
CS
SCLK
DOUT
DIN
tCS
1
MSB
R/W
23
4
56
tDAV
DB14
tDSU
DB13
DB12
tDHD
DB11
DB10
A6 A5 A4 A3 A2
Figure 2. SPI Timing and Sequence
15 16
tSFS
DB2
DB1
LSB
D2 D1 LSB
tREADRATE
tSTALL
CS
SCLK
Figure 3. Stall Time and Data Rate
SYNC
CLOCK (DIO4)
DATA
READY
t3
t1 tX
t2
Figure 4. Input Clock Timing Diagram
Rev. PrA | Page 5 of 20
5 Page 
Preliminary Technical Data
ADIS16385www.DataSheet4U.com
USER REGISTERS
Table 13. User Register Memory Map1
Name
R/W Flash Backup
FLASH_CNT
R
Yes
Reserved
N/A N/A
XGYRO_OUT R
No
YGYRO_OUT R
No
ZGYRO_OUT R
No
XACCL_OUT R
No
YACCL_OUT
R
No
ZACCL_OUT R
No
TEMP_OUT
R
No
AUX_ADC
R
No
Reserved
N/A N/A
XGYRO_OFF R/W
Yes
YGYRO_OFF R/W
Yes
ZGYRO_OFF R/W
Yes
XACCL_OFF R/W Yes
YACCL_OFF R/W Yes
ZACCL_OFF R/W Yes
ALM_MAG1 R/W Yes
ALM_MAG2 R/W Yes
ALM_SMPL1 R/W
Yes
ALM_SMPL2 R/W
Yes
ALM_CTRL
R/W Yes
AUX_DAC
R/W No
GPIO_CTRL R/W No
MSC_CTRL
R/W Yes
SMPL_PRD
R/W Yes
SENS_AVG
R/W Yes
SLP_CTRL
W
No
DIAG_STAT
R
No
GLOB_CMD R/W No
Reserved
N/A N/A
LOT_ID1 R Yes
LOT_ID2 R Yes
PROD_ID
R
Yes
SERIAL_NUM R
Yes
Address2
0x00
0x02
0x04
0x06
0x08
0x0A
0x0C
0x0E
0x10
0x12
0x014 to 0x19
0x1A
0x1C
0x1E
0x20
0x22
0x24
0x26
0x28
0x2A
0x2C
0x2E
0x30
0x32
0x34
0x36
0x38
0x3A
0x3C
0x3E
0x40 to 0x51
0x52
0x54
0x56
0x58
Default
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0006
0x0001
0x0402
0x0000
0x0000
0x0000
N/A
N/A
N/A
0x4001
N/A
Register Description
Flash memory write count
Reserved
X-axis gyroscope output
Y-axis gyroscope output
Z-axis gyroscope output
X-axis accelerometer output
Y-axis accelerometer output
Z-axis accelerometer output
Internal temperature output
Auxiliary ADC output
Reserved
X-axis gyroscope bias correction factor
Y-axis gyroscope bias correction factor
Z-axis gyroscope bias correction factor
X-axis acceleration bias correction factor
Y-axis acceleration bias correction factor
Z-axis acceleration bias correction factor
Alarm 1, amplitude threshold
Alarm 2, amplitude threshold
Alarm 1, dynamic time change
Alarm 2, dynamic time change
Alarm control
Auxiliary DAC output level setting
Auxiliary digital input/output control
Miscellaneous control: data ready, self-test
Sample clock source, decimation rate
Dynamic range and digital filter control
Sleep mode control
System status (error flags)
System command (global)
Reserved
Lot Identification Code 1
Lot Identification Code 2
Product identification, ADIS16385
Serial number
Reference
Table 20
N/A
Table 9
Table 9
Table 9
Table 10
Table 10
Table 10
Table 11
Table 12
Table 31
Table 31
Table 31
Table 32
Table 32
Table 32
Table 34
Table 35
Table 36
Table 36
Table 37
Table 25
Table 24
Table 21
Table 28
Table 29
Table 16
Table 22
Table 15
Table 17
Table 17
Table 19
Table 18
1 N/A = not applicable.
2 Each register contains two bytes. The address of the lower byte is displayed. The address of the upper byte is equal to the address of the lower byte plus 1.
Rev. PrA | Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADIS16385.PDF ] | |
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