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AS5311 Linear Sensor

12-bit linear incremental position sensor with digital interface and ABI, PWM output

Features

  • Contactless motion and position sensing
  • High resolution
  • Immune to external magnetic stray fields

Benefits

  • Highest reliability and durability in harsh environments
  • Control of high precision movements
  • Lower material cost (no magnetic shielding needed)

Product parameters

Resolution 12-bit
Min. Pole Pair Length [mm] 2
Interfaces SSI
Output ABI, PWM
Max. Speed [m/s] 0.65
Supply Voltage [V] 3.3 or 5.0
Temperature Range [°C] -40 to +125
Package TSSOP-20
Automotive Qualified
Remark For linear: Use magnetic strip \ For off-axis: Use ring magnet

General Description

The AS5311 is an incremental position sensor for linear and rotary off-axis applications based on contactless magnetic sensor technology. To measure position and motion a multi-pole magnet strip or ring has to be used. There are 4096 pulses (12-bit) per 2.0 mm pole pair length on the standardized quadrature output interface with an index pulse (=ABI-interface) with a maximum speed of 650mm/s.

With two decades of magnetic sensor system know-how, we have broad experience in selecting the most suitable magnets. ams experts recommend the following magnet suppliers.

This product suits for the following applications:

  • Motor speed and motion control for off-axis applications
  • Replacement of linear and rotary optical sensor systems
  • Control of XYZ-tables
  • Robotic systems

Tools

Title Category Headline Buy
AS5311AdapterBoard Application Board Adapter Board for AS5311
M3LDemoKit Application Board Demo Kit for Linear Position Sensors

Resources

Type Description Language
Application Data BMNP-8L magnet English

Technical Documents

Type Description Language
Datasheet Document version 1.13 English
Application Note Tape & Reel Packing Information English

Environmental Documents

Type Description Language
Material Declaration Form MDF_179910017_AS5311-ATST English

Notifications

Type Description Language
EoL Notification AS50xx_AS53xx_tubes (issued 2017-Jun) English

Other Information

Type Description Language
Block Diagram AS5311 Block Diagram English
Factsheet Contactless Magnetic Position Sensors Portfolio for Robotics English
Other Product Document AS5311AdapterBoard Image English
Other Product Document M3LDemoKit Image English

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