www.austriamicrosystems.com

Revision 1.6

2 - 29

AS5134

Data Sheet - A p p l i c a t i o n s

Contents

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

1

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

1

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

1

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

3

Pin Descriptions ...................................................................................................................................................

3

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

4

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

5

Timing Characteristics ..........................................................................................................................................

7

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

8

Connecting the AS5134 .......................................................................................................................................

8

Serial 3-Wire R/W Connection ......................................................................................................................... 8

Serial 3-Wire Read-only Connection................................................................................................................ 9

Serial 2-Wire Connection (R/W Mode) ........................................................................................................... 10

Serial 2-Wire Differential SSI Connection ...................................................................................................... 11

1-Wire PWM Connection................................................................................................................................ 12

Analog Output ................................................................................................................................................ 12

Analog Sin/Cos Outputs with External Interpolator ........................................................................................ 13

Quadrature A/B/Index Output......................................................................................................................... 13

Brushless DC Motor Commutation Mode....................................................................................................... 14

Serial Synchronous Interface (SSI) ....................................................................................................................

15

AS5134 Programming ........................................................................................................................................

16

OTP Programming Connection ...................................................................................................................... 16

Programming Verification............................................................................................................................... 16

AS5134 Status Indicators ...................................................................................................................................

17

C2 Status Bit .................................................................................................................................................. 17

Lock Status Bit ............................................................................................................................................... 17

Magnetic Field Strength Indicators................................................................................................................. 18

Multi Turn Counter..............................................................................................................................................

18

High Speed Operation ........................................................................................................................................

19

Propagation Delay.......................................................................................................................................... 19

ADC Sampling Rate ....................................................................................................................................... 19

Chip Internal Lowpass Filtering...................................................................................................................... 19

Digital Readout Rate ...................................................................................................................................... 20

Total Propagation Delay of the AS5134......................................................................................................... 20

Reduced Power Modes ......................................................................................................................................

20

Low/Mid Power Mode..................................................................................................................................... 20

Power Cycling Mode ...................................................................................................................................... 21

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

23

Benefits of AS5134............................................................................................................................................

23

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

26

Recommended PCB Footprint ...........................................................................................................................

27

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

28