ITG-3050 Product Specification Revision 1.3 - InvenSense

ITG-3050 Product Specification
Document Number: PS-ITG-3050-00
Revision: 1.3
Release Date: 08/25/2011
CONTENTS
1 DOCUMENT INFORMATION ..................................................................................................................... 4
1.1 REVISION HISTORY ................................................................................................................................. 4
1.2 PURPOSE AND SCOPE ............................................................................................................................ 5
1.3 PRODUCT OVERVIEW.............................................................................................................................. 5
1.4 SOFTWARE SOLUTIONS .......................................................................................................................... 5
1.5 APPLICATIONS ........................................................................................................................................ 7
2 FEATURES ................................................................................................................................................. 8
2.1 SENSORS ............................................................................................................................................... 8
2.2 DIGITAL OUTPUT .................................................................................................................................... 8
2.3 DATA PROCESSING ................................................................................................................................ 8
2.4 CLOCKING .............................................................................................................................................. 8
2.5 POWER .................................................................................................................................................. 8
2.6 PACKAGE ............................................................................................................................................... 8
3 ELECTRICAL CHARACTERISTICS .......................................................................................................... 9
3.1 SENSOR SPECIFICATIONS ....................................................................................................................... 9
3.2 ELECTRICAL SPECIFICATIONS................................................................................................................ 10
3.3 ELECTRICAL SPECIFICATIONS, CONTINUED ............................................................................................ 11
3.4 ELECTRICAL SPECIFICATIONS, CONTINUED ............................................................................................ 12
3.5 I 2 C TIMING CHARACTERIZATION ............................................................................................................ 13
3.6 ABSOLUTE MAXIMUM RATINGS .............................................................................................................. 14
4 APPLICATIONS INFORMATION ............................................................................................................. 15
4.1 PIN OUT AND SIGNAL DESCRIPTION ....................................................................................................... 15
4.2 TYPICAL OPERATING CIRCUIT ............................................................................................................... 16
4.3 BILL OF MATERIALS FOR EXTERNAL COMPONENTS ................................................................................. 16
4.4 RECOMMENDED POWER-ON PROCEDURE .............................................................................................. 17
5 FUNCTIONAL OVERVIEW ....................................................................................................................... 18
5.1 BLOCK DIAGRAM .................................................................................................................................. 18
5.2 OVERVIEW ........................................................................................................................................... 18
5.3 THREE-AXIS MEMS GYROSCOPE WITH 16-BIT ADCS AND SIGNAL CONDITIONING .................................. 18
5.4 PRIMARY I 2 C SERIAL COMMUNICATIONS INTERFACE............................................................................... 19
5.5 SECONDARY I 2 C SERIAL INTERFACE (FOR 3 RD -PARTY ACCELEROMETERS) ............................................... 19
5.6 3 RD PARTY ACCELEROMETER CIRCUIT CONFIGURATIONS ........................................................................ 22
5.7 INTERNAL CLOCK GENERATION ............................................................................................................. 22
5.8 CLOCK OUTPUT .................................................................................................................................... 23
5.9 SENSOR DATA REGISTERS ................................................................................................................... 23
5.10 FIFO ................................................................................................................................................... 23
5.11 INTERRUPTS ......................................................................................................................................... 23
5.12 DIGITAL-OUTPUT TEMPERATURE SENSOR ............................................................................................. 23
5.13 BIAS AND LDO ..................................................................................................................................... 23
5.14 CHARGE PUMP ..................................................................................................................................... 23
6 DIGITAL INTERFACE ............................................................................................................................... 24
6.1 I 2 C SERIAL INTERFACE ......................................................................................................................... 24
7 SERIAL INTERFACE CONSIDERATIONS .............................................................................................. 28
7.1 ITG-3050 SUPPORTED INTERFACES ..................................................................................................... 28
7.2 LOGIC LEVELS ...................................................................................................................................... 28
8 ASSEMBLY ............................................................................................................................................... 31
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