AS5045-ASST austriamicrosystems, AS5045-ASST Datasheet - Page 8

• Manufacturer Part Number: AS5045-ASST
• Description: IC ENCODER PROG 12-BIT 16-SSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5045-ASST

• Sensing Range: 45mT ~ 75mT
• Voltage - Supply: 3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Current - Supply: 21mA
• Current - Output (max): 4mA
• Output Type: Digital, PWM, 12-Bit Serial
• Features: Programmable
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AS5045-ASSTTR

AS5045
Data Sheet
6.4.5
(operating conditions: T
unless otherwise noted)
6.5 Magnetic Input Specification
(operating conditions: T
unless otherwise noted)
Two-pole cylindrical diametrically magnetised source:
www.austriamicrosystems.com
Parameter
High level output voltage
Low level output voltage
Output current
Tri-state leakage current
Parameter
Diameter
Thickness
Magnetic input field
amplitude
Magnetic offset
Field non-linearity
Input frequency
(rotational speed of
magnet)
Displacement radius
Eccentricity
Recommended magnet
material and
temperature drift
Tristate CMOS Output: DO
amb
amb
Symbol
f
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation)
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation)
mag_abs
Disp
d
Ecc
t
B
B
mag
mag
pk
off
Min
2.5
45
4
Symbol
V
V
I
I
OZ
OH
OL
O
-0.12
-0.035
Typ
6
Revision 1.7
VDD5V –0.5
Max
± 10
2.44
0.61
0.25
100
75
Min
5
%/K
Unit Note
mm
mm
mm
mT
mT
µm
Hz
%
Recommended magnet: Ø 6mm x 2.5mm for
cylindrical magnets
Required vertical component of the magnetic
field strength on the die’s surface, measured
along a concentric circle with a radius of 1.1mm
Constant magnetic stray field
Including offset gradient
146 rpm @ 4096 positions/rev.; fast mode
36.6rpm @ 4096 positions/rev.; slow mode
Max. offset between defined device center and
magnet axis (see Figure 18)
Eccentricity of magnet center to rotational axis
NdFeB (Neodymium Iron Boron)
SmCo (Samarium Cobalt)
VSS+0.4
Max
4
2
1
Unit
mA
mA
µA
V
V
Note
VDD5V: 4.5V
VDD5V: 3V
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