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AS5030ATST 数据表(PDF) 6 Page - ams AG

部件名 AS5030ATST
功能描述  8 BIT PROGRAMMABLE HIGH SPEED MAGNETIC ROTARY ENCODER
PDF  33 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS5030ATST 数据表(HTML) 6 Page - ams AG

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AS5030 8-bit Programmable Magnetic Rotary Encoder
Rev. 1.8
www.austriamicrosystems.com
Page 6 of 33
4.4
Magnet Specifications
Recommended magnet:
NdFeB 35H BR = 12.000 Gauss, Ø6mm x 2.5mm
Parameter
Symbol
Min
Typ
Max
Unit
Note
Magnet diameter
MD
6
mm
diametrically magnetized
Magnet thickness
MT
2.5
mm
Magnetic Input Range
Bi
20
80
mT
at chip surface, on a radius of
1mm
Magnet rotation speed
vi
30,000
rpm
to maintain locked state
Magnetic field high
detection
Bmax
52
Tamb=25°C, AGC@lower limit,
1 sigma = 2.5mT
Magnetic field low
detection
Bmin
23
mT
Tamb=25°C, AGC@upper limit,
1 sigma = 1.5mT
Hall Array radius
1
mm
over x/y chip center
vertical distance of
magnet
0.5
1
1.8
mm
Recommended distance;
operation outside this range is
possible, accuracy may be
reduced
0.25
from diagonal package center
Horizontal magnet
displacement radius
0.5
mm
from diagonal IC center
-0.12
NdFeB Material
Recommended magnet
material and temperature
drift
tkM
-0.035
%/K
SmCo Material
4.5
Magnetic Field Alarm Limits
Parameter
Symbol
Min
Typ
Max
Unit
Note
Magnetic field too low
alarm limit
AGCFF
20.3
23.6
mT
AGC = FFH
untrimmed, 25°C, 1sigma
Magnetic field too high
alarm limit
AGC0
44.5
52.2
mT
AGC = 0H
untrimmed, 25°C, 1sigma
Magnetic field alarm limit
trim range
100
121
%
see 4.6
Temperature coefficient
of alarm ranges1)
0.052
%/K
Sensitivity increases with
temperature which partly
compensates the temperature
coefficient of the magnet
4.6
Hall Element sensitivity options
Parameter
Symbol
Min
Typ
Max
Unit
Note
100
sens = 00 (default;
low sensitivity; see 5.2.4)
106
sens = 01
113
sens = 10
Hall Element sensitivity
setting
sens
121
%
sens = 11 (high sensitivity)



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