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AS5311
Datasheet - 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
6.4 Electrical System Specifications
Table 9. Electrical System Specifications
Symbol
Parameter
Note
Min
Typ
Max
Units
RES abs
RES inc
INL opt
INL temp
DNL
TN
Resolution, absolute outputs
Resolution, incremental outputs
Integral non-linearity (optimum)
Integral non-linearity (over
temperature)
Differential non-linearity
Transition noise
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 =25 °C.
Maximum error with respect to the best line
fit. Ideal magnet
T amb = -30 to +70 °C.
10bit, no missing codes
1 sigma
12
10
± 5.6
± 10
± 0.97
0.6
bit /
polepair
bit /
polepair
μ m
μ m
μ m
μ m RMS
V on
V off
t PwrUp
t delay
t delay
f S
Power-on reset thresholds:
On voltage; 300mV typ. hysteresis
Power-on reset thresholds:
Off voltage; 300mV typ. hysteresis
Power-up time
System propagation delay absolute
output
System propagation delay incremental
output
Internal sampling rate for absolute
output
DC supply voltage 3.3V (VDD3V3)
Until status bit OCF = 1
Delay of ADC, DSP and absolute interface
Including interpolation delay at high speeds
T AMB = 25°C
T AMB = -40 to +125°C,
1.37
1.08
9.90
9.38
2.2
1.9
10.42
10.42
2.9
2.6
20
96
384
10.94
11.46
V
ms
μs
μs
kHz
Hyst
CLK
Hysteresis, incremental outputs
Read-out frequency
No Hysteresis at absolute serial outputs
Maximum clock frequency to read out serial
data
2
1
LSB
MHz
Notes:
1. Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.
2. Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.
3. Transition Noise (TN) is the repeatability of an indicated position.
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