IMU-3000 Product Specification
Document Number: PS-IMU-3000A-00-01.1
Revision: 1.1
Release Date: 08/19/2010
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CONTENTS
1DOCUMENT INFORMATION .............................................................................................................................. 4
1.1REVISION HISTORY ............................................................................................................................................. 4
1.2PURPOSE AND SCOPE ........................................................................................................................................... 5
1.3PRODUCT OVERVIEW .......................................................................................................................................... 5
1.4APPLICATIONS ..................................................................................................................................................... 6
2FEATURES ............................................................................................................................................................... 7
2.1SENSORS .............................................................................................................................................................. 7
2.2DIGITAL OUTPUT ................................................................................................................................................. 7
2.3MOTION PROCESSING .......................................................................................................................................... 7
2.4CLOCKING ........................................................................................................................................................... 7
2.5POWER ................................................................................................................................................................ 7
2.6PACKAGE ............................................................................................................................................................ 7
3ELECTRICAL CHARACTERISTICS .................................................................................................................. 8
3.1SENSOR SPECIFICATIONS ..................................................................................................................................... 8
GYRO MECHANICAL FREQUENCIES ....................................................................................................................... 8
3.2ELECTRICAL SPECIFICATIONS .............................................................................................................................. 9
3.3ELECTRICAL SPECIFICATIONS, CONTINUED ....................................................................................................... 10
3.4ELECTRICAL SPECIFICATIONS, CONTINUED ....................................................................................................... 11
3.5I2C TIMING CHARACTERIZATION ...................................................................................................................... 12
3.6ABSOLUTE MAXIMUM RATINGS ........................................................................................................................ 13
4APPLICATIONS INFORMATION ..................................................................................................................... 14
4.1PIN OUT AND SIGNAL DESCRIPTION .................................................................................................................. 14
4.2TYPICAL OPERATING CIRCUIT ........................................................................................................................... 15
4.3BILL OF MATERIALS FOR EXTERNAL COMPONENTS .......................................................................................... 15
4.4RECOMMENDED POWER-ON PROCEDURE .......................................................................................................... 16
5FUNCTIONAL OVERVIEW ................................................................................................................................ 17
5.1BLOCK DIAGRAM .............................................................................................................................................. 17
5.2OVERVIEW ........................................................................................................................................................ 17
5.3THREE-AXIS MEMS GYROSCOPE WITH 16-BIT ADCS AND SIGNAL CONDITIONING ......................................... 17
5.4DIGITAL MOTION PROCESSOR ........................................................................................................................... 17
5.5PRIMARY I2C SERIAL COMMUNICATIONS INTERFACE ....................................................................................... 18
5.6SECONDARY I2C SERIAL INTERFACE FOR THIRD-PARTY ACCELEROMETER ....................................................... 18
6CLOCKING ............................................................................................................................................................ 19
6.1INTERNAL CLOCK GENERATION ........................................................................................................................ 19
6.2CLOCK OUTPUT ................................................................................................................................................. 19
6.3SENSOR DATA REGISTERS ................................................................................................................................. 19
6.4FIFO ................................................................................................................................................................. 19
6.5INTERRUPTS ...................................................................................................................................................... 19
6.6DIGITAL-OUTPUT TEMPERATURE SENSOR ........................................................................................................ 20
6.7BIAS AND LDO .................................................................................................................................................. 20
6.8CHARGE PUMP .................................................................................................................................................. 20
7DIGITAL INTERFACE ........................................................................................................................................ 21
7.1I2C SERIAL INTERFACE ...................................................................................................................................... 21
7.2SUPPORTED INTERFACES ................................................................................................................................... 24
7.3LOGIC LEVELS ................................................................................................................................................... 24