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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

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