AS5040− ElectricalCharacteristics
Figure 15:
Electrical System Specifications
Electrical System Specifications
Operating conditions: Tamb = -40°C to 125°C, VDD5V = 3.0V to
3.6V (3V operation) VDD5V = 4.5V to 5.5V (5V operation) unless
otherwise noted.
Symbol
Parameter
Min Typ Max Unit
Note
RES Resolution
10
bit 0.352 deg
7 bit
LSB
8 bit
9 bit
10 bit
INLopt
Integral non-linearity
(optimum)
INLtemp
Integral non-linearity
(optimum)
INL Integral non-linearity
DNL Differential non-linearity
2.813
1.406
0.703
0.352
± 0.5
± 0.9
± 1.4
± 0.176
Adjustable resolution only
available for incremental output
deg modes;
Least significant bit, minimum
step
Maximum error with respect to
the best line fit.
deg Verified at optimum magnet
placement, Tamb =25 °C.
Maximum error with respect to
the best line fit.
deg Verified at optimum magnet
placement,
Tamb = -40°C to 125°C
Best line fit = (Errmax – Errmin) / 2
deg
Over displacement tolerance
with 6mm diameter magnet,
Tamb = -40°C to 125°C
deg 10bit, no missing codes
TN
Transition noise
0.12
Deg
RMS
RMS equivalent to 1 sigma
Hyst Hysteresis
0.704
deg Incremental modes only
Power-on-reset threshold
Von
ON voltage; 300mV typ.
1.37 2.2
2.9
hysteresis
V
DC supply voltage 3.3V
(VDD3V3)
Power-on-reset threshold
Voff
OFF voltage; 300mV typ. 1.08 1.9
2.6
hysteresis
V
DC supply voltage 3.3V
(VDD3V3)
tPwrUp Power-up time
50
ms
Until offset compensation
finished
tdelay
System propagation delay
absolute output
48
μs Includes delay of ADC and DSP
System propagation delay
incremental output
192
μs Calculation over two samples
Page 12
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[v2-12] 2017-Jun-20