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ADIS16375 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADIS16375
Beschreibung Low Noise Six Degrees of Freedom Inertial Sensor
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 29 Seiten
ADIS16375 Datasheet, Funktion
Data Sheet
Low Profile, Low Noise
Six Degrees of Freedom Inertial Sensor
ADIS16375
FEATURES
Triaxis digital gyroscope, ±300°/sec
Tight orthogonal alignment: 0.05°
Triaxis digital accelerometer: ±18 g
Delta-angle/velocity calculations
Wide sensor bandwidth: 330 Hz
High sample rate: 2.460 kSPS
Autonomous operation and data collection
No external configuration commands required
Startup time: 500 ms
Factory-calibrated sensitivity, bias, and axial alignment
Calibration temperature range: −40°C to +85°C
SPI-compatible serial interface
Embedded temperature sensor
Programmable operation and control
Automatic and manual bias correction controls
4 FIR filter banks, 120 configurable taps
Digital I/O: data-ready, alarm indicator, external clock
Alarms for condition monitoring
Power-down/sleep mode for power management
Enable external sample clock input: up to 2.25 kHz
Single-command self test
Single-supply operation: 3.3 V
2000 g shock survivability
Operating temperature range: −40°C to +105°C
APPLICATIONS
Precision instrumentation
Platform stabilization and control
Industrial vehicle navigation
Downhole instrumentation
Robotics
FUNCTIONAL BLOCK DIAGRAM
TEMPERATURE
SENSOR
TRIAXIS MEMS
ANGULAR RATE
SENSOR
SIGNAL
CONDITIONING
AND
CONVERSION
CALIBRATION
AND
DIGITAL
PROCESSING
OUTPUT
REGISTERS
AND SPI
INTERFACE
TRIAXIS MEMS
ACCELERATION
SENSOR
SELF-TEST
ADIS16375
ALARMS
DIGITAL
CONTROL
POWER
MANAGEMENT
RST DIO1 DIO2 DIO3 DIO4
Figure 1.
CS
SCLK
DIN
DOUT
VDDRTC
VCC
GND
GENERAL DESCRIPTION
The ADIS16375 iSensor® is a complete inertial system that includes
a triaxis gyroscope and triaxis accelerometer. Each sensor in the
ADIS16375 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 over a temperature
range of −40°C to +105°C.
The ADIS16375 provides 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.
An improved SPI interface and register structure provide faster
data collection and configuration control.
This compact module is approximately 44 mm × 47 mm × 14 mm
and provides a flexible connector interface that enables multiple
mounting orientation options.
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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 ©2010–2012 Analog Devices, Inc. All rights reserved.






ADIS16375 Datasheet, Funktion
Data Sheet
ADIS16375
TIMING SPECIFICATIONS
TA = 25°C, VDD = 3.3 V, unless otherwise noted.
Table 2.
Parameter
fSCLK
tSTALL
tCLS
tCHS
tCS
tDAV
tDSU
tDHD
tDR, tDF
tDSOE
tHD
tSFS
tDSHI
t1
t2
t3
Description
Serial clock
Stall period between data
Serial clock low period
Serial clock high period
Chip select to clock edge
DOUT valid after SCLK edge
DIN setup time before SCLK rising edge
DIN hold time after SCLK rising edge
DOUT rise/fall times, ≤100 pF loading
CS assertion to data out active
SCLK edge to data out invalid
Last SCLK edge to CS deassertion
CS deassertion to data out high impedance
Input sync pulse width
Input sync to data-ready output
Input sync period
1 Guaranteed by design and characterization but not tested in production.
Min 1
0.01
2
31
31
32
2
2
0
0
32
0
5
440
Timing Diagrams
CS
SCLK
DOUT
DIN
tCS
1
tDSOE
MSB
R/W
tCHS
23
4
tCLS
56
tDAV
tHD
DB14
tDSU
DB13
DB12
tDHD
DB11
DB10
A6 A5 A4 A3 A2
Figure 2. SPI Timing and Sequence
tSTALL
CS
Normal Mode
Typ
Max
15
10
38
11
9
430
15 16
tSFS
DB2
DB1
LSB
tDSHI
D2 D1 LSB
SCLK
SYNC
CLOCK (CLKIN)
DATA
READY
OUTPUT
REGISTERS
Figure 3. Stall Time and Data Rate
t3 t2
t1
DATA VALID
DATA VALID
Figure 4. Input Clock Timing Diagram
Rev. C | Page 5 of 28
Unit
MHz
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs

6 Page









ADIS16375 pdf, datenblatt
Data Sheet
ADIS16375
USER REGISTERS
Table 9. User Register Memory Map (N/A = Not Applicable)
Name
R/W Flash PAGE_ID Address
PAGE_ID
R/W No 0x00
0x00
Reserved
N/A N/A 0x00
0x02 to 0x07
SYS_E_FLAG
R No 0x00
0x08
DIAG_STS
R No 0x00
0x0A
ALM_STS
R No 0x00
0x0C
TEMP_OUT
R No 0x00
0x0E
X_GYRO_LOW
R No 0x00
0x10
X_GYRO_OUT
R No 0x00
0x12
Y_GYRO_LOW
R No 0x00
0x14
Y_GYRO_OUT
R No 0x00
0x16
Z_GYRO_LOW
R No 0x00
0x18
Z_GYRO_OUT
R No 0x00
0x1A
X_ACCL_LOW
R No 0x00
0x1C
X_ACCL_OUT
R No 0x00
0x1E
Y_ACCL_LOW
R No 0x00
0x20
Y_ACCL_OUT
R No 0x00
0x22
Z_ACCL_LOW
R No 0x00
0x24
Z_ACCL_OUT
R No 0x00
0x26
Reserved
N/A N/A 0x00
0x28 to 0x3F
X_DELTA_ANG_L R No 0x00
0x40
X_DELTA_ANG_H R No 0x00
0x42
Y_DELTA_ANG_L R No 0x00
0x44
Y_DELTA_ANG_H R No 0x00
0x46
Z_DELTA_ANG_L R No 0x00
0x48
Z_DELTA_ANG_H R No 0x00
0x4A
X_DELTA_VEL_L
R No 0x00
0x4C
X_DELTA_VEL_H R No 0x00
0x4E
Y_DELTA_VEL_L
R No 0x00
0x50
Y_DELTA_VEL_H
R No 0x00
0x52
Z_DELTA_VEL_L
R No 0x00
0x54
Z_DELTA_VEL_H
R No 0x00
0x56
Reserved
N/A N/A 0x00
0x58 to 0x6F
TIME_MS_OUT
R/W Yes 0x00
0x70
TIME_DH_OUT
R/W Yes 0x00
0x72
TIME_YM_OUT
R/W Yes 0x00
0x74
Reserved
N/A N/A 0x00
0x76
LOT_ID1
R Yes 0x00
0x78
LOT_ID2
R Yes 0x00
0x7A
LOT_ID3
R Yes 0x00
0x7C
PROD_ID
R Yes 0x00
0x7E
Reserved
N/A N/A 0x01
0x00 to 0x7F
PAGE_ID
R/W No 0x02
0x00
Reserved
N/A N/A 0x02
0x02 to 0x0E
XGYRO_OFF_L
R/W Yes 0x02
0x10
XGYRO_OFF_H
R/W Yes 0x02
0x12
YGYRO_OFF_L
R/W Yes 0x02
0x14
YGYRO_OFF_H
R/W Yes 0x02
0x16
ZGYRO_OFF_L
R/W Yes 0x02
0x18
ZGYRO_OFF_H
R/W Yes 0x02
0x1A
XACCL_OFF_L
R/W Yes 0x02
0x1C
XACCL_OFF_H
R/W Yes 0x02
0x1E
Default
0x00
N/A
0x0000
0x0000
0x0000
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0x3FF7
N/A
0x00
N/A
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
Register Description
Page Identifier
Reserved
Output, system error flags
Output, self test error flags
Output, alarm error flags
Output, temperature
Output, x-axis gyroscope, low word
Output, x-axis gyroscope, high word
Output, y-axis gyroscope, low word
Output, y-axis gyroscope, high word
Output, z-axis gyroscope, low word
Output, z-axis gyroscope, high word
Output, x-axis accelerometer, low word
Output, x-axis accelerometer, high word
Output, y-axis accelerometer, low word
Output, y-axis accelerometer, high word
Output, z-axis accelerometer, low word
Output, z-axis accelerometer, high word
Reserved
Output, x-axis delta angle, low word
Output, x-axis delta angle, high word
Output, y-axis delta angle, low word
Output, y-axis delta angle, high word
Output, z-axis delta angle, low word
Output, z-axis delta angle, high word
Output, x-axis delta velocity, low word
Output, x-axis delta velocity, high word
Output, y-axis delta velocity, low word
Output, y-axis a delta velocity, high word
Output, z-axis delta velocity, low word
Output, z-axis delta velocity, high word
Reserved
Output, time, minutes, and seconds
Output, time, days, and hours
Output, time, years, and months
Reserved
Output, lot identification number
Output, lot identification number
Output, lot identification number
Output, product identification (16,375)
Reserved
Page identifier
Reserved
Calibration, offset, x-axis gyroscope, low word
Calibration, offset, x-axis gyroscope, high word
Calibration, offset, y-axis gyroscope, low word
Calibration, offset, y-axis gyroscope, high word
Calibration, offset, z-axis gyroscope, low word
Calibration, offset, z-axis gyroscope, high word
Calibration, offset, x-axis accelerometer, low word
Calibration, offset, x-axis accelerometer, high word
Rev. C | Page 11 of 28
Format
N/A
N/A
Table 41
Table 42
Table 43
Table 39
Table 15
Table 11
Table 16
Table 12
Table 17
Table 13
Table 22
Table 18
Table 23
Table 19
Table 24
Table 20
N/A
Table 29
Table 25
Table 30
Table 26
Table 31
Table 27
Table 36
Table 32
Table 37
Table 33
Table 38
Table 34
N/A
Table 96
Table 97
Table 98
N/A
Table 44
Table 45
Table 46
Table 47
N/A
N/A
N/A
Table 62
Table 59
Table 63
Table 60
Table 64
Table 61
Table 68
Table 65

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