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AS5140H
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 11. Electrical System Specifications (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
7 bit
2.813
LSB
8 bit
9 bit
Adjustable resolution only available for
incremental output modes;
Least significant bit, minimum step
1.406
0.703
deg
10 bit
0.352
INL opt
Integral non-linearity (optimum)
2
Maximum error with respect to the best line
fit.
Verified at optimum magnet placement,
T AMB =25oC
±0.5
deg
INL temp
INL
Integral non-linearity (optimum)
Integral non-linearity
Maximum error with respect to the best line
fit.
Verified at optimum magnet placement,
T AMB = -40 to +150oC
Best line fit = (Err max – Err min ) / 2
Over displacement tolerance with 6mm
diameter magnet, T AMB = -40 to +150oC
(see Figure 3)
±0.9
±1.4
deg
deg
DNL
Differential non-linearity
3
10bit, no missing codes
±0.176
deg
TN
Hyst
Transition noise
Hysteresis
4
RMS equivalent to 1 sigma
Incremental modes only
0.704
0.12
Deg
RMS
deg
V on
V off
t PwrUp
t delay
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
DC supply voltage 3.3V (VDD3V3)
Until offset compensation finished
Includes delay of ADC and DSP
1.37
1.08
2.2
1.9
2.9
2.6
50
48
V
ms
μs
System propagation delay
incremental output
Calculation over two samples
192
μs
f S
CLK
Sampling rate for absolute output
Read-out frequency
Internal sampling rate, T AMB = 25oC
Internal sampling rate, T AMB = -40 to
+150oC
Max. clock frequency to read out serial data
9.90
9.38
10.42
10.42
10.94
11.46
1
kHz
MHz
1.
2.
3.
4.
Digital Interface
Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.
Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.
Transition Noise (TN) is the repeatability of an indicated position.
6.4 Programming Conditions
T AMB = -40 to 150oC, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation), unless otherwise noted.
Table 12. Programming Conditions
Symbol
V PROG
V ProgOff
I PROG
Parameter
Programming voltage
Programming voltage off level
Programming current
Conditions
Voltage applied during programming
Line must be discharged to this level
Current during programming
Min
3.0
0
Typ
3.3
Max
3.6
1
100
Units
V
V
mA
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Revision 1.4
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