AS5311-ASST austriamicrosystems, AS5311-ASST Datasheet - Page 8

• Manufacturer Part Number: AS5311-ASST
• Description: IC ENCODER LINEAR 20-TSSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5311-ASST

• 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
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensing Range: -
• Features: -

sampling _
AS5311
Data Sheet
6.3.4
Operating conditions: T
otherwise noted.
6.4 Magnetic Input Specification
Operating conditions: T
otherwise noted.
Two-pole cylindrical diametrically magnetised source:
Note
samples increases. The travelling distance between two subsequent samples can be calculated as:
6.5 Electrical System Specifications
Operating conditions: T
otherwise noted.
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High level output voltage
Low level output voltage
Output current
Pole length
Pole pair length
Magnetic input field
amplitude
Magnetic offset
Magnetic field
temperature drift
Magnetic input field
variation
Linear travelling speed
Displacement
Vertical gap
Recommended magnet
material and
temperature drift
Resolution, absolute outputs
Resolution, incremental
outputs
Integral non-linearity
(optimum)
1)
: There is no upper speed limit for the absolute outputs. With increasing speed, the distance between two
Parameter
Tristate CMOS Output: DO
Parameter
dist
Parameter
v
fs
amb
amb
amb
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VD D5V = 4.5-5.5V (5V operation) unless
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VD D5V = 4.5 - 5.5V (5V operation) unless
= -40 to +125°C, VDD5V = 3.0~3.6V (3V operation) VD D5V = 4.5~5.5V (5V operation) unless
Symbol
Vabs
Disp
Z
t
B
B
Lp
B
mag
Dist
where: sampling_distance = travelling distance between samples in mm
pk
off
tc
Symbol
RES
RES
INL
opt
abs
Min
inc
v = travelling speed in mm/sec
10
fs = sampling rate in Hz
Symbol
VOH
VOL
Min
IO
-0.19
-0.12
Typ
0.5
0.3
1
2
VDD5V –0.5
Typ
12
10
Revision 1.04
Max
650
± 5
0.2
40
±2
Min
± 5.6
Max
Unit
mm/
%/K
%/K
mm
mm
sec
mm
mm
mT
mT
%
VSS+0.4
(see 6.5 below)
polepair
polepair
Max
Recommended magnet: plastic or rubber
bonded ferrite or NdFeB
Required vertical component of the magnetic
field strength on the die’s surface
Constant magnetic stray field
Recommended magnet: plastic or rubber
bonded ferrite or NdFeB
Including offset gradient
Incremental output: 1024 steps / polepair
including interpolation
Max. shift between defined Hall sensor
center and magnet centerline (see Figure
17); depends on magnet geometries
Package to magnet surface;
depends on magnet strength
Plastic or rubber bonded Ferrite
Plastic or rubber bonded Neodymium
(NdFeB)
Unit
bit /
bit /
4
2
µm
0.488 um/step (12bit / 2mm pole
pair)
1.95 um/step (10bit / 2mm pole
pair)
Maximum error with respect to the
best line fit. Ideal magnet
T
amb
Unit
mA
mA
V
V
=25 ° C.
Note
VDD5V: 4.5V
VDD5V: 3V
1)
Note
Note
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