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AS5245HQFT Scheda tecnica(PDF) 8 Page - ams AG

Il numero della parte AS5245HQFT
Spiegazioni elettronici  Programmable 360쨘 Magnetic Angle Encoder with Absolute SSI and PWM Output
PDF  33 Pages
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Produttore elettronici  AMSCO [ams AG]
Homepage  http://www.ams.com
Logo AMSCO - ams AG

AS5245HQFT Scheda tecnica(HTML) 8 Page - ams AG

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Revision 1.3
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AS5245
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6.1 Magnetic Input Specification
TAMB = -40 to +150ºC, VDD5V = 3.0 to 3.6V (3V operation) VDD5V = 4.5 to 5.5V (5V operation) unless otherwise noted.
Two-pole cylindrical diametrically magnetized source:
IO
Output current
VDD5V: 4.5V
4
mA
VDD5V: 3V
2
DC Characteristics CMOS Output: PWM
VOH
High level output voltage
VDD5V–
0.5
V
VOL
Low level output voltage
VSS
+0.4
V
IO
Output current
VDD5V: 4.5V
4
mA
VDD5V: 3V
2
DC Characteristics CMOS Output: A, B, Index
VOH
High level output voltage
VDD5V–
0.5
V
VOL
Low level output voltage
VSS
+0.4
V
IO
Output current
VDD5V: 4.5V
4
mA
VDD5V: 3V
2
DC Characteristics Tri-state CMOS Output: DO
VOH
High level output voltage
VDD5V–
0.5
V
VOL
Low level output voltage
VSS
+0.4
V
IO
Output current
VDD5V: 4.5V
4
mA
VDD5V: 3V
2
IOZ
Tri-state leakage current
1
µA
Table 4. Magnetic Input Specification
Symbol
Parameter
Condition
Min
Typ
Max
Unit
dmag
Diameter
Recommended magnet: Ø 6mm x 2.5mm for
cylindrical magnets
46
mm
tmag
Thickness
2.5
mm
Bpk
Magnetic input field amplitude
Required vertical component of the magnetic
field strength on the die’s surface, measured
along a concentric circle with a radius of
1.1mm
45
75
mT
Boff
Magnetic offset
Constant magnetic stray field
± 10
mT
Field non-linearity
Including offset gradient
5
%
fmag_abs
Input frequency
(rotational speed of magnet)
153 rpm @ 4096 positions/rev;
fast mode
2.54
Hz
38 rpm @ 4096 positions/rev; slow mode
0.63
Disp
Displacement radius
Maximum offset between defined device
center and magnet axis
0.25
mm
Ecc
Eccentricity
Eccentricity of magnet center to rotational axis
100
µm
Table 3. Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit



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