AS5035 austriamicrosystems, AS5035 Datasheet - Page 12

• Manufacturer Part Number: AS5035
• Description: IC, MAGNETIC ROTARY ENCODER 8BIT SSOP-16
• Manufacturer: austriamicrosystems
• Type: Magnetic Rotary Encoderr

Specifications of AS5035

• Ic Function: Encoder IC
• Supply Voltage Range: 3.3V, 5V
• Operating Temperature Range: -40°C To +125°C
• Digital Ic Case Style: SSOP
• No. Of Pins: 16
• Filter Terminals: SMD
• No. Of Bits: 8 Bit
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AS5035 – 64 PPR INCREMENTAL MAGNETIC ROTARY ENCODER
12.3.3
12.4 Magnetic Input Specification
Two-pole cylindrical diametrically magnetised source:
12.5 Electrical System Specifications
Revision 1.5
Parameter
High level output voltage
Low level output voltage
Output current
Parameter
Diameter
Thickness
Magnetic input field
amplitude
Magnetic offset
Field non-linearity
Input frequency
(rotational speed of
magnet)
Magnetic field temperature
drift
Displacement radius
Parameter
Resolution
Index bit width
Integral non-linearity (optimum)
Integral non-linearity (optimum)
Integral non-linearity
Differential non-linearity
Transition noise
Hysteresis
On voltage; 300mV typ. hysteresis
Off voltage; 300mV typ. hysteresis
Power-on reset thresholds
CMOS Outputs: A, B, Index, OTP_DO
Symbol
f
mag_inc
Disp
d
t
B
B
B
mag
mag
pk
off
tc
Symbol
Min
INL
2.5
t
45
INL
4
RES
w,Index
DNL
Hyst
LSB
INL
V
V
TN
on
off
temp
opt
– 0.035
Typ
6
Min
1,37
1.08
Symbol
V
V
I
OH
OL
O
www.austriamicrosystems.com
Max
± 10
0.25
500
1.406
1.406
0.704
75
Typ
5
2.2
1.9
VDD5V-0.5
Unit
± 0.176
mm
mm
%/K
mm
mT
mT
Hz
%
Min
± 1.4
± 0.5
± 0.9
Max
0.06
2.9
2.6
64
8
Note
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
Incremental mode: no missing pulses at rotational speeds
of up to 30,000 rpm
Samarium Cobalt ReComa28
Max. offset between defined device center and magnet
axis
(see
Unit
Deg
deg
deg
deg
deg
deg
deg
rms
deg
ppr
bit
Figure 11
V
V
VSS+0.4
Max
4
2
Note
Degrees / step
Channel A and B
= 1 LSB (see
Maximum error with respect to the best line fit.
Centered magnet placement without calibration,
T
Maximum error with respect to the best line fit.
Centered magnet placement without calibration,
T
Best line fit = (Err
Over displacement tolerance with 6mm diameter
magnet, without calibration T
no missing codes
rms = 1 sigma (see 10.2)
DC supply voltage 3.3V (VDD3V3)
DC supply voltage 3.3V (VDD3V3)
amb
amb
)
=25 °C.
= -40 to +125°C
Table 3
Unit
mA
mA
V
V
max
)
– Err
min
Note
VDD5V: 4.5V
VDD5V: 3V
) / 2
amb
= -40 to +125°C
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