EPA3550B datasheet(2/24 Pages) ETC

2 / 24 page

ISZ-650 Single-Axis Z-Gyroscope

Product Specification

PS-ISZ-0650B-00-02

Release Date: 07/08/09

CONFIDENTIAL & PROPRIETARY

2 of 24

TABLE OF CONTENTS

1. REVISION HISTORY ...................................................................................................................................4

2. PURPOSE AND SCOPE .............................................................................................................................5

3. PRODUCT OVERVIEW ...............................................................................................................................5

4. FEATURES ..................................................................................................................................................5

5. FUNCTIONAL BLOCK DIAGRAM..............................................................................................................6

6. FUNCTIONAL DESCRIPTION ....................................................................................................................6

6.1

OVERVIEW ..........................................................................................................................................6

6.2

RATE SENSOR.....................................................................................................................................6

6.3

OSCILLATOR CIRCUIT...........................................................................................................................6

6.4

AMPLITUDE CONTROL ..........................................................................................................................6

6.5

CORIOLIS SENSE .................................................................................................................................7

6.6

DEMODULATOR....................................................................................................................................7

6.7

LOW-PASS FILTER ...............................................................................................................................7

6.8

AUTO ZERO.........................................................................................................................................7

6.9

TEMPERATURE SENSOR.......................................................................................................................7

6.10

CHARGE PUMP ....................................................................................................................................7

6.11

MEMORY TRIM.....................................................................................................................................7

6.12

SCALE FACTOR ...................................................................................................................................7

6.13

REFERENCE VOLTAGE .........................................................................................................................7

6.14

ANALOG OUTPUTS...............................................................................................................................7

7. SPECIFICATION..........................................................................................................................................8

7.1

SPECIFIED PARAMETERS......................................................................................................................8

7.2

SPECIFIED PARAMETERS, CONTINUED...................................................................................................9

7.3

RECOMMENDED OPERATING CONDITIONS.............................................................................................9

7.4

ABSOLUTE MAXIMUM RATINGS .............................................................................................................9

7.5

REFERENCE CIRCUIT .........................................................................................................................10

8. APPLICATION INFORMATION ................................................................................................................11

8.1

PIN OUT AND SIGNAL DESCRIPTION....................................................................................................11

8.2

DESIGN CONSIDERATIONS..................................................................................................................12

8.2.1 POWER SUPPLY REJECTION RATIO.....................................................................................................12

8.2.2 POWER SUPPLY FILTERING ................................................................................................................12

8.2.3 AMPLITUDE CONTROL ........................................................................................................................12

8.2.4 TEMPERATURE SENSOR.....................................................................................................................12

8.2.5 INTERNAL LOW-PASS FILTER..............................................................................................................12

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