AS5132-HSST-500【PDF 2/27 页】IC ENCODER ROTARY 20-SSOP

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Sheet目录60

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Revision 1.4

2 - 27

AS5132

Datasheet - Contents

Contents

1 General Description.................................................................................................................................................................. 1

2 Key Features............................................................................................................................................................................. 1

3 Applications............................................................................................................................................................................... 1

4 Pin Assignments....................................................................................................................................................................... 3

4.1 Pin Descriptions.................................................................................................................................................................................... 3

5 Absolute Maximum Ratings...................................................................................................................................................... 4

6 Electrical Characteristics........................................................................................................................................................... 5

6.1 Operating Conditions............................................................................................................................................................................ 5

6.2 System Parameters.............................................................................................................................................................................. 5

6.3 Magnet Specifications .......................................................................................................................................................................... 5

6.4 Programming Parameters .................................................................................................................................................................... 5

6.5 DC Characteristics of Digital Inputs...................................................................................................................................................... 6

6.6 DC Characteristics of Digital Outputs................................................................................................................................................... 6

6.7 Timing Characteristics.......................................................................................................................................................................... 6

7 Detailed Description.................................................................................................................................................................. 7

7.1 Synchronous Serial Interface (SSI)...................................................................................................................................................... 7

7.1.1 Commands of the SSI in Normal Mode....................................................................................................................................... 9

7.1.2 Extended Synchronous Serial Interface Mode .......................................................................................................................... 10

7.1.3 Programming Verification .......................................................................................................................................................... 13

7.2 Pulse Width Modulation (PWM) Output.............................................................................................................................................. 14

7.2.1 PWM External Clock.................................................................................................................................................................. 15

7.3 Incremental Outputs........................................................................................................................................................................... 16

7.3.1 Quadrature A/B Output.............................................................................................................................................................. 16

7.3.2 Step Output Mode...................................................................................................................................................................... 17

7.3.3 Pre-Commutation Function........................................................................................................................................................ 17

7.3.4 Commutation Output UVW........................................................................................................................................................ 18

7.3.5 Hysteresis of the Incremental Outputs....................................................................................................................................... 19

7.3.6 Multi Turn Counter..................................................................................................................................................................... 20

7.3.7 High Speed Operation............................................................................................................................................................... 20

7.3.8 Propagation Delay..................................................................................................................................................................... 20

7.3.9 Error Detection........................................................................................................................................................................... 20

8 Application Information........................................................................................................................................................... 21

8.1 Physical Placement of the Magnet..................................................................................................................................................... 21

9 Package Drawings and Markings........................................................................................................................................... 23

9.1 Recommended PCB Footprint............................................................................................................................................................ 24

10 Ordering Information............................................................................................................................................................. 26

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