AS5134-ASSU austriamicrosystems, AS5134-ASSU Datasheet - Page 2

• Manufacturer Part Number: AS5134-ASSU
• Description: ENCODER, MAGNETIC, ROTARY, 8BIT, 20SSOP
• Manufacturer: austriamicrosystems

Specifications of AS5134-ASSU

• Brief Features: 9-Bit Multiturn Counter, User Programmable Zero Position And Sensitivity
• Supply Voltage Range: 4.5V To 5.5V
• Operating Temperature Range: -40°C To +140°C
• Digital Ic Case: RoHS Compliant
• Ic Function: Programmable High Speed Magnetic Rotary Encoder
• Rohs Compliant: Yes

AS5134
Data Sheet - A p p l i c a t i o n s
Contents
1 General Description..............................................................................................................................
2 Key Features ........................................................................................................................................
3 Applications ..........................................................................................................................................
4 Pin Assignments...................................................................................................................................
5 Absolute Maximum Ratings..................................................................................................................
6 Electrical Characteristics ......................................................................................................................
7 Detailed Description .............................................................................................................................
8 Application Information .......................................................................................................................
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Pin Descriptions ...................................................................................................................................................
Timing Characteristics ..........................................................................................................................................
Connecting the AS5134 .......................................................................................................................................
Serial 3-Wire R/W Connection............................................................................................................................
Serial 2-Wire Connection (R/W Mode) ...............................................................................................................
Serial Synchronous Interface (SSI) ....................................................................................................................
AS5134 Programming ........................................................................................................................................
AS5134 Status Indicators ...................................................................................................................................
Multi Turn Counter..............................................................................................................................................
High Speed Operation ........................................................................................................................................
Magnet Diameter and Vertical Distance .............................................................................................................
Benefits of AS5134............................................................................................................................................
AS5134 Parameter and Features List ................................................................................................................
Serial 3-Wire Read-only Connection .............................................................................................................. 11
Serial 2-Wire Differential SSI Connection ...................................................................................................... 12
1-Wire PWM Connection................................................................................................................................ 13
Analog Output ................................................................................................................................................ 14
Quadrature A/B/Index Output......................................................................................................................... 15
Brushless DC Motor Commutation Mode....................................................................................................... 15
Daisy Chain Mode .......................................................................................................................................... 16
OTP Programming Connection ...................................................................................................................... 20
Programming Verification ............................................................................................................................... 21
Lock Status Bit ............................................................................................................................................... 22
Magnetic Field Strength Indicators................................................................................................................. 22
Propagation Delay.......................................................................................................................................... 24
ADC Sampling Rate ....................................................................................................................................... 24
Chip Internal Lowpass Filtering ...................................................................................................................... 24
Digital Readout Rate ...................................................................................................................................... 24
Total Propagation Delay of the AS5134 ......................................................................................................... 24
Low Power Mode ........................................................................................................................................... 25
The Linear Range .......................................................................................................................................... 26
Magnet Thickness .......................................................................................................................................... 28
Axial Distance (Airgap)................................................................................................................................... 29
Angle Error vs. Radial and Axial Misalignment .............................................................................................. 29
Accuracy ........................................................................................................................................................ 29
Mounting the Magnet ..................................................................................................................................... 30
Summary ........................................................................................................................................................ 32
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