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AS5134
Datasheet - Contents
Contents
1 General Description..................................................................................................................................................................
2 Key Features.............................................................................................................................................................................
3 Applications...............................................................................................................................................................................
4 Pin Assignments.......................................................................................................................................................................
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4.1 Pin Descriptions....................................................................................................................................................................................
5 Absolute Maximum Ratings......................................................................................................................................................
6 Electrical Characteristics...........................................................................................................................................................
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6.1 Timing Characteristics..........................................................................................................................................................................
7 Detailed Description..................................................................................................................................................................
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7.1 Connecting the AS5134........................................................................................................................................................................
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 Differential SSI Connection...........................................................................................................................................
7.6 1-Wire PWM Connection....................................................................................................................................................................
7.7 Analog Output.....................................................................................................................................................................................
7.8 Quadrature A/B/Index Output.............................................................................................................................................................
7.9 Brushless DC Motor Commutation Mode...........................................................................................................................................
7.10 Daisy Chain Mode............................................................................................................................................................................
7.11 Serial Synchronous Interface (SSI) ..................................................................................................................................................
7.12 Redundancy.....................................................................................................................................................................................
8 Application Information...........................................................................................................................................................
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8.1 AS5134 Programming........................................................................................................................................................................
8.1.1 OTP Programming Connection.................................................................................................................................................. 21
8.1.2 Programming Verification .......................................................................................................................................................... 22
8.2 AS5134 Status Indicators...................................................................................................................................................................
8.2.1 Lock Status Bit........................................................................................................................................................................... 24
8.2.2 Magnetic Field Strength Indicators............................................................................................................................................ 24
8.3 Multi Turn Counter..............................................................................................................................................................................
8.4 High Speed Operation........................................................................................................................................................................
8.4.1 Propagation Delay..................................................................................................................................................................... 25
8.4.2 Digital Readout Rate.................................................................................................................................................................. 26
8.4.3 Low Power Mode....................................................................................................................................................................... 26
9 Package Drawings and Markings...........................................................................................................................................
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9.1 Recommended PCB Footprint............................................................................................................................................................
10 Ordering Information.............................................................................................................................................................
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