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AS5140HASST 数据表(PDF) 8 Page - ams AG

部件名 AS5140HASST
功能描述  10-Bit 360 Programmable Magnetic Rotary Encoder For High Ambient Temperatures
PDF  37 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS5140HASST 数据表(HTML) 8 Page - ams AG

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www.austriamicrosystems.com/AS5140H
Revision 1.4
8 - 37
AS5140H
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
6.2 Magnetic Input Specification
6.3 Electrical System Specifications
VOL
Low level output voltage
VSS+0.4
V
IO
Output current
VDD5V:4.5V
4
mA
VDD5V:3V
2
Table 9. Tristate CMOS Output: DO
Symbol
Parameter
Conditions
Min
Typ
Max
Units
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 10. Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Magnetic Input Specification (Two-pole cylindrical diametrically magnetized source)
dmag
Diameter
Recommended magnet: Ø 6mm x 2.5mm
for cylindrical magnets
46
mm
tmag
Thickness
2.5
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)
Absolute mode: 600 rpm @ readout of 1024
positions (see Table 19)
10
Hz
fmag_inc
Incremental mode: no missing pulses at
rotational speeds of up to 10.000 rpm (see
Table 19)
166
Hz
Disp
Displacement Radius
Max. X-Y offset between defined IC
package center and magnet axis (see
Figure 19)
0.25
mm
Max. X-Y offset between chip center and
magnet axis
0.485
Chip placement tolerance
Placement tolerance of chip within IC
package (see Figure 21)
±0.235
mm
Recommended magnet material and
temperature drift
NdFeB (Neodymium Iron Boron)
-0.12
%/K
SmCo (Samarium Cobalt)
-0.035
Table 11. Electrical System Specifications
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RES
Resolution
1
0.352 deg
10
bit
Table 8. CMOS Output: A, B, Index, PWM (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units



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