AS5030 DB【PDF 2/44 页】BOARD DEMO AS5030

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AS5030

Datasheet - C o n t e n t s

Contents

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

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

3 Applications...............................................................................................................................................................................

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

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

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

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

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

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

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

6.4 Magnetic Field Alarm Limits .................................................................................................................................................................

6.5 Hall Element Sensitivity Options...........................................................................................................................................................

6.6 Programming Parameters ....................................................................................................................................................................

6.7 DC Characteristics of Digital Inputs and Outputs .................................................................................................................................

6.8 8-bit PWM Output .................................................................................................................................................................................

6.9 Serial 8-bit Output.................................................................................................................................................................................

6.10 General Data Transmission Timings ................................................................................................................................................

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

7.1 Connecting the AS5030......................................................................................................................................................................

7.2 Serial 3-Wire R/W Connection............................................................................................................................................................

7.3 Serial 3-Wire Read-only Connection ..................................................................................................................................................

7.4 Serial 2-Wire Connection (R/W Mode) ...............................................................................................................................................

7.5 Serial 2-Wire Continuous Readout .....................................................................................................................................................

7.6 Serial 2-Wire Differential SSI Connection...........................................................................................................................................

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7.7

1-Wire PWM Connection ................................................................................................................................................................

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7.8 Analog Output.....................................................................................................................................................................................

7.9 Analog Sin/Cos Outputs with External Interpolator ............................................................................................................................

7.10 3-Wire Daisy Chain Mode.................................................................................................................................................................

7.11 2-Wire Daisy Chain Mode.................................................................................................................................................................

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

8.1 AS5030 Programming ........................................................................................................................................................................

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8.1.1 OTP Programming Options ....................................................................................................................................................... 23

8.1.2 Reduced Power Mode Programming Options ........................................................................................................................... 23

8.2 AS5030 Read / Write Commands ......................................................................................................................................................

16-bit Read Command...............................................................................................................................................................

16-bit Write Command...............................................................................................................................................................

18-bit OTP Read Commands ...................................................................................................................................................

18-bit OTP Write Commands ....................................................................................................................................................

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8.3 OTP Programming Connection ..........................................................................................................................................................

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8.3.1 Programming in Daisy Chain Mode ........................................................................................................................................... 26

8.4 Programming Verification ...................................................................................................................................................................

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