AS5020 データシートの表示（PDF） - austriamicrosystems AG
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AS5020 Datasheet PDF : 11 Pages
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6-Bit Magnetic Position Encoder –Data Sheet Rev.1.0
AS5020
Magnetic Input Characteristics*
Symbol
Bmin-max
Parameter
Processing magnetic field
strength input range
Conditions
At package surface
Offmag Magnetic Offset
DistFmag Magnetic distortion factor
Sinusoidal magnetic field
density along 3mm
concentric circle.
Td
Magnet Temperature drift
D
Diameter of encoder magnet
f
Input frequency
Both directions
*Note: Please ask for our preferred Magnet Supplier List.
Min.
30
3
Typ.
40
Max.
50
Units
mT
5
mT
2
3
%
-0.035
%/K
6
mm
30000 rpm
Output Characteristics
Symbol
RES
Parameter
Resolution
Conditions
Min.
Typ.
6
Max. Units
bits
LSB
Minimum step
5.625
deg
INL
Integral Non-Linearity
See Note 1)
0.5 LSB
DNL
Differential Non-Linearity
0.5 LSB
No missing codes guaranteed
TN
Transition-Noise
0.1
LSB
1) Linearity is defined in terms of end point fit and guaranteed by design, proved by simulated test signals
63 α 6bit
2
1
0
5 .6 2 5 °
32
0
0°
180°
360°
α
Figure 5 Output value versus input angle
Rev. n/c
Page 8/11
Feb 2001
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