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AS5311

Part Number	AS5311
Manufacturer	ams
Description	High Resolution Magnetic Linear Encoder
Published	Feb 18, 2015
Detailed Description	AS5311 High Resolution Magnetic Linear Encoder 1 General Description The AS5311 is a contactless high resolution magnet...
Datasheet	AS5311 PDF File

Overview

AS5311 High Resolution Magnetic Linear Encoder 1 General Description The AS5311 is a contactless high resolution magnetic linear encoder for accurate linear motion and off-axis rotary sensing with a resolution down to <0.
5µm.
It is a system-on-chip, combining integrated Hall elements, analog front end and digital signal processing on a single chip, packaged in a small 20-pin TSSOP package.
A multi-pole magnetic strip or ring with a pole length of 1.
0mm is required to sense the rotational or linear motion.
The magnetic strip is placed above the IC at a distance of typ.
0.
3mm.
The absolute measurement provides instant indication of the magnet position within one pole pair with a resolution of 488nm per step (12bit over 2.
0mm).
This digital data is available as a serial bit stream and as a PWM signal.
Furthermore, an incremental output is available with a resolution of 1.
95µm per step.
An index pulse is generated once for every pole pair (once per 2.
0mm).
The travelling speed in increment...

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