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Analog Devices Semiconductor Electronic Components Datasheet

ADIS16251 Datasheet

Programmable Low Power Gyroscope

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ADIS16251 pdf
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Preliminary Technical Data
Programmable Low Power Gyroscope
ADIS16251
FEATURES
Yaw rate gyro with digital range scaling
±20°/sec, ±40°/sec, and ±80°/sec settings
14-bit digital gyroscope sensor outputs
12-bit digital temperature sensor output
Calibrated sensitivity and bias
In-system, auto-zero for bias drift calibration
Digitally controlled sample rate
Digitally controlled frequency response
Dual alarm settings with rate/threshold limits
Embedded integration for short-term angle estimates
Digitally activated self-test
Digitally activated low power mode
Interrupt-driven wake-up
SPI®-compatible serial interface
49 Hz Sensor Bandwidth
Auxiliary 12-bit ADC input and 12-bit DAC output
Auxiliary digital input/output
Single-supply operation: 4.75 V to 5.25 V
2000 g powered shock survivability
RATE
FILT
VCC
COM
FUNCTIONAL BLOCK DIAGRAM
AUX AUX
ADC DAC VREF
TEMPERATURE
SENSOR
ADIS16250
GYROSCOPE
SENSOR
SELF-TEST
SIGNAL
CONDITIONING
AND
CONVERSION
CALIBRATION
AND
DIGITAL
PROCESSING
DIGITAL
CONTROL
SPI
PORT
CS
SCLK
DIN
DOUT
POWER
MANAGEMENT
ALARM
AUXILIARY
I/O
RST
Figure 1.
DIO0 DIO1
APPLICATIONS
Instrumentation control
Platform control and stabilization
Motion control and analysis
Avionics instrumentation
Navigation
Image stabilization
Robotics
GENERAL DESCRIPTION
The ADIS16251 is a complete, angular rate measurement
system available in a single compact package enabled by Analog
Devices iSensor™ integration. By enhancing Analog Devices
iMEMS® sensor technology with an embedded signal processing
solution, the ADIS16251 provides factory calibrated and
tunable digital sensor data in a convenient format that can be
accessed using a simple SPI serial interface. The SPI interface
provides access to measurements for the gyroscope, temperature,
power supply, and one auxiliary analog input. Easy access to
calibrated digital sensor data provides developers with a system-
ready device, reducing development time, cost, and program risk.
The device range can be digitally selected from three different
settings: ±20°/sec, ±40°/sec, and ±80°/sec. Unique
characteristics of the end system are accommodated easily
through several built-in features, including a single-command
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.
DataSheet4 U .com
auto-zero recalibration function, as well as configurable sample
rate and frequency response. Additional features can be used to
further reduce system complexity, including:
Configurable alarm function
Auxiliary 12-bit ADC and DAC
Two configurable digital I/O ports
Digital self-test function.
System power dissipation can be optimized via the ADIS16251
power management features, including an interrupt-driven
wake-up.
The ADIS16251 is available in an 11 mm × 11 mm × 5.5 mm,
laminate-based land grid array (LGA) package with a
temperature range of −40°C to +85°C.
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
©2006 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

ADIS16251 Datasheet

Programmable Low Power Gyroscope

No Preview Available !

ADIS16251 pdf
www.DataSheet4U.com
ADIS16251
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Specifications..................................................................................... 3
Timing Specifications .................................................................. 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Recommended Layout ..................................................................... 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ........................................................................ 9
Overview........................................................................................ 9
Relative Angle Estimate ............................................................... 9
REVISION HISTORY
10/06—Revision PrC: Pre-release
Preliminary Technical Data
Temperature Sensor ......................................................................9
Auxiliary ADC FunctIon..............................................................9
Basic Operation .............................................................................. 10
Serial Peripheral Interface (SPI)............................................... 10
Data Output Register Access .................................................... 11
Programming and Control............................................................ 13
Control Register Overview ....................................................... 13
Control Register Access............................................................. 13
Calibration................................................................................... 13
Global Commands ..................................................................... 14
Operational Control................................................................... 15
Status and Diagnostics............................................................... 16
Outline Dimensions ....................................................................... 19
Ordering Guide .......................................................................... 19
DataSheet4 U .com
Rev. PrA | Page 2 of 20


Part Number ADIS16251
Description Programmable Low Power Gyroscope
Maker Analog Devices
Total Page 20 Pages
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