ADIS16334 Datasheet PDF - Analog Devices

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ADIS16334
Analog Devices

Part Number ADIS16334
Description Low Profile Six Degree
Page 20 Pages


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Low Profile
Six Degree of Freedom Inertial Sensor
ADIS16334
FEATURES
Triaxis digital gyroscope with digital range scaling
±75°/sec, ±150°/sec, ±300°/sec settings
Tight orthogonal alignment: <0.05°
Triaxis digital accelerometer: ±5 g
Wide sensor bandwidth: 330 Hz
Autonomous operation and data collection
No external configuration commands required
Start-up time: 180 ms
Factory-calibrated sensitivity, bias, and axial alignment
Calibration temperature range: −20°C to +70°C
SPI-compatible serial interface
Embedded temperature sensor
Programmable operation and control
Automatic and manual bias correction controls
Bartlett window FIR filter length, number of taps
Digital I/O: data ready, alarm indicator, general-purpose
Alarms for condition monitoring
Enable external sample clock input: up to 1.2 kHz
Single-command self-test
Single-supply operation: 4.75 V to 5.25 V
2000 g shock survivability
22 mm × 33 mm × 11 mm module with connector interface
Operating temperature range: −40°C to +105°C
GENERAL DESCRIPTION
The ADIS16334 iSensor® is a complete inertial system that includes
a triaxis gyroscope and triaxis accelerometer. Each sensor in the
ADIS16334 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 −20°C to +70°C.
The ADIS16334 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 22 mm × 33 mm × 11 mm
and provides a compact connector interface.
APPLICATIONS
Medical instrumentation
Robotics
Platform controls
Navigation
FUNCTIONAL BLOCK DIAGRAM
DIOx
RST
VCC
SELF-TEST
I/O
ALARMS
POWER
MANAGEMENT
GND
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TRIAXIAL
ACCEL
TRIAXIAL
GYRO
TEMP
CONTROLLER
CONTROL
REGISTERS
DIGITAL
FILTER
CALIBRATION
CORRECTION
OUTPUT
REGISTERS
SPI
PORT
CS
SCLK
DIN
DOUT
Figure 1.
ADIS16334
Rev. 0
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
©2011 Analog Devices, Inc. All rights reserved.



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ADIS16334
TABLE OF CONTENTS
Features .............................................................................................. 1 
Applications....................................................................................... 1 
General Description ......................................................................... 1 
Functional Block Diagram .............................................................. 1 
Revision History ............................................................................... 2 
Specifications..................................................................................... 3 
Timing Specifications .................................................................. 5 
Timing Diagrams.......................................................................... 5 
Absolute Maximum Ratings............................................................ 6 
ESD Caution.................................................................................. 6 
Pin Configuration and Function Descriptions............................. 7 
Typical Performance Characteristics ............................................. 8 
Theory of Operation ........................................................................ 9 
Gyroscopes .................................................................................... 9 
Accelerometers.............................................................................. 9 
Data Sampling and Processing ................................................... 9 
Calibration..................................................................................... 9 
User Interface ................................................................................ 9 
Basic Operation............................................................................... 10 
Reading Sensor Data.................................................................. 10 
Memory Map .............................................................................. 11 
Output Data Registers................................................................ 12 
Device Configuration ................................................................ 13 
REVISION HISTORY
1/11—Revision 0: Initial Version
Digital Processing Configuration................................................. 14 
Sample Rate................................................................................. 14 
Input Clock Configuration ....................................................... 14 
Digital Filtering........................................................................... 14 
Dynamic Range .......................................................................... 14 
Optimizing Accuracy..................................................................... 15 
Automatic Bias Correction ....................................................... 15 
Manual Bias Correction ............................................................ 15 
Restoring Factory Calibration .................................................. 15 
Point-of-Percussion/Linear-g Compensation ............................ 15 
System Tools.................................................................................... 16 
Global Commands ..................................................................... 16 
Device Identification.................................................................. 17 
Flash Memory Management ..................................................... 17 
Alarms.............................................................................................. 18 
Static Alarm Use ......................................................................... 18 
Dynamic Alarm Use .................................................................. 18 
Alarm Reporting ........................................................................ 18 
Applications Information .............................................................. 19 
ADIS16334/PCBZ ...................................................................... 19 
Outline Dimensions ....................................................................... 20 
Ordering Guide .......................................................................... 20 
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ADIS16334
SPECIFICATIONS
TA = 25°C, VCC = 5.0 V, angular rate = 0°/sec, dynamic range = ±300°/sec ± 1 g, unless otherwise noted.
Table 1.
Parameter
GYROSCOPES
Dynamic Range
Initial Sensitivity
Sensitivity Temperature Coefficient
Nonlinearity
Misalignment
Initial Bias Error
In-Run Bias Stability
Angular Random Walk
Bias Temperature Coefficient
Linear Acceleration Effect on Bias
Bias Voltage Sensitivity
Output Noise
Rate Noise Density
3 dB Bandwidth
Sensor Resonant Frequency
ACCELEROMETERS
Dynamic Range
Initial Sensitivity
Sensitivity Temperature Coefficient
Misalignment
Nonlinearity
Initial Bias Error
In-Run Bias Stability
Velocity Random Walk
Bias Temperature Coefficient
Bias Voltage Sensitivity
Output Noise
Noise Density
3 dB Bandwidth
Sensor Resonant Frequency
TEMPERATURE SENSOR
Scale Factor
Test Conditions/Comments
Dynamic range = ±300°/sec
Dynamic range = ±150°/sec
Dynamic range = ±75°/sec
−20°C ≤ TA ≤ +70°C
Best-fit straight line
Axis to axis
Axis-to-frame (package)
±1 σ
1 σ, SMPL_PRD = 0x0001
1 σ, SMPL_PRD = 0x0001
−20°C ≤ TA ≤ +70°C
Any axis, 1 σ (MSC_CTRL[7] = 1)
VCC = 4.75 V to 5.25 V
±300°/sec range, no filtering
f = 25 Hz, ±300°/sec range, no filtering
Each axis
−20°C ≤ TA ≤ +70°C
Axis-to-axis
Axis-to-frame (package)
Best-fit straight line
±1 σ
−20°C ≤ TA ≤ +70°C
VCC = 4.75 V to 5.25 V
No filtering
No filtering
Output = 0x0000 at 25°C (±5°C)
Min
±300
0.0495
±5
0.99
Typ
±350
0.05
0.025
0.0125
±40
±0.1
±0.05
±0.5
±3
0.0072
2
±0.005
±0.05
±0.3
0.75
0.044
330
14.5
±5.25
1.00
±40
±0.1
±0.5
±0.1
±12
100
0.11
±0.06
±5
4
221
330
5.5
0.0678
Max
0.0505
1.01
Unit
°/sec
°/sec/LSB
°/sec/LSB
°/sec/LSB
ppm/°C
% of FS
Degrees
Degrees
°/sec
°/hr
°/√hr
°/sec/°C
°/sec/g
°/sec/V
°/sec rms
°/sec/√Hz rms
Hz
kHz
g
mg/LSB
ppm/°C
Degrees
Degrees
% of FS
mg
μg
m/sec/√hr
mg/°C
mg/V
mg rms
μg/√Hz rms
Hz
kHz
°C/LSB
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ADIS16334
Parameter
LOGIC INPUTS1
Input High Voltage, VIH
Input Low Voltage, VIL
CS Wake-Up Pulse Width
Logic 1 Input Current, IIH
Logic 0 Input Current, IIL
All Pins Except RST
RST Pin
Input Capacitance, CIN
DIGITAL OUTPUTS1
Output High Voltage, VOH
Output Low Voltage, VOL
FLASH MEMORY
Data Retention3
FUNCTIONAL TIMES4
Power-On Start-Up Time
Reset Recovery Time
Flash Memory Test Time
Self-Test Time
CONVERSION RATE
Internal Sample Rate
Tolerance
Sync Input Clock5
POWER SUPPLY
Supply Voltage
Power Supply Current
Test Conditions/Comments
CS signal to wake up from sleep mode
VIH = 3.3 V
VIL = 0 V
Min
2.0
20
ISOURCE = 1.6 mA
ISINK = 1.6 mA
Endurance2
TJ = 85°C
Time until data is available
Normal mode
Normal mode
Normal mode
SMPL_PRD = 0x0001
SMPL_PRD = 0x0001
SMPL_PRD = 0x0000
2.4
10,000
20
0.8
4.75
Typ
±0.2
40
1
10
180
60
20
14
819.2
5.0
47
Max
0.8
0.55
±10
60
0.4
±3
1.2
5.25
Unit
V
V
V
μs
μA
μA
mA
pF
V
V
Cycles
Years
ms
ms
ms
ms
SPS
%
kHz
V
mA
1 The digital I/O signals are driven by an internal 3.3 V supply, and the inputs are 5 V tolerant.
2 Endurance is qualified as per JEDEC Standard 22, Method A117, and measured at −40°C, +25°C, +85°C, and +125°C.
3 The data retention lifetime equivalent is at a junction temperature (TJ) of 85°C as per JEDEC Standard 22, Method A117. Data retention lifetime decreases with junction
temperature.
4 These times do not include thermal settling and internal filter response times (330 Hz bandwidth), which may affect overall accuracy.
5 The sync input clock functions below the specified minimum value, at reduced performance levels.
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