AS5245 AMSCO [austriamicrosystems AG], AS5245 Datasheet - Page 8

• Manufacturer Part Number: AS5245
• Manufacturer: AMSCO [austriamicrosystems AG]

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
Table 3. Electrical Characteristics
6.1 Magnetic Input Specification
T
Two-pole cylindrical diametrically magnetized source:
Table 4. Magnetic Input Specification
www.austriamicrosystems.com/AS5245
DC Characteristics CMOS Output: PWM
DC Characteristics CMOS Output: A, B, Index
DC Characteristics Tri-state CMOS Output: DO
AMB
Symbol
f
mag_abs
d
Disp
t
Ecc
B
B
mag
Symbol
mag
pk
off
= -40 to +150ºC, V
V
V
V
V
V
V
I
I
I
I
I
OZ
OH
OH
OH
O
OL
O
OL
O
OL
O
Magnetic input field amplitude
(rotational speed of magnet)
Displacement radius
Field non-linearity
Input frequency
Magnetic offset
DD
High level output voltage
High level output voltage
High level output voltage
Tri-state leakage current
Low level output voltage
Low level output voltage
Low level output voltage
Eccentricity
Parameter
Thickness
Diameter
5V = 3.0 to 3.6V (3V operation) V
Output current
Output current
Output current
Output current
Parameter
Eccentricity of magnet center to rotational axis
Recommended magnet: Ø 6mm x 2.5mm for
Required vertical component of the magnetic
field strength on the die’s surface, measured
38 rpm @ 4096 positions/rev; slow mode
along a concentric circle with a radius of
Maximum offset between defined device
153 rpm @ 4096 positions/rev;
DD
Constant magnetic stray field
Including offset gradient
center and magnet axis
5V = 4.5 to 5.5V (5V operation) unless otherwise noted.
cylindrical magnets
Revision 1.3
Condition
fast mode
V
V
V
V
1.1mm
V
V
V
V
Condition
DD
DD
DD
DD
DD
DD
DD
DD
5V: 4.5V
5V: 4.5V
5V: 4.5V
5V: 4.5V
5V: 3V
5V: 3V
5V: 3V
5V: 3V
V
V
V
DD
DD
DD
Min
Min
2.5
0.5
0.5
0.5
45
4
5V–
5V–
5V–
+0.4
+0.4
+0.4
V
V
V
Typ
Typ
6
SS
4
2
SS
4
2
SS
4
2
1
± 10
Max
2.54
0.63
0.25
Max
100
75
5
4
2
Unit
Unit
mm
mm
mm
µm
mA
mA
mA
mA
mT
mT
µA
Hz
%
V
V
V
V
V
V
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