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AS5040-ASST View Datasheet(PDF) - austriamicrosystems AG

Part Name
Description
MFG CO.
AS5040-ASST
AMSCO
austriamicrosystems AG AMSCO
'AS5040-ASST' PDF : 61 Pages View PDF
AS5040 − Pulse Width Modulation (PWM) Output
Pulse Width Modulation (PWM) The AS5040 provides a pulse width modulated output (PWM),
Output
whose duty cycle is proportional to the measured angle.
Figure 28:
PWM Output Signal
(EQ1)
Position = t--o---n----×-----1---0---2---5- – 1
ton + toff
The PWM frequency is internally trimmed to an accuracy of
±5% (±10% over full temperature range). This tolerance can be
canceled by measuring the complete duty cycle as shown
above.
Angle
0 deg
(Pos 0)
PWMIN
1μs
359.65 deg
(Pos 1023)
PWMAX
1/fPWM
1025μs
1024μs
Figure 29:
PWM Signal Parameters
Parameter
PWM frequency
MIN pulse width
Symbol
fPWM
PWMIN
Typ
0.9756
1
MAX pulse width
PWMAX
1024
Unit
kHz
μs
μs
Note
Signal period: 1025μs
• Position 0d
• Angle 0 deg
• Position 1023d
• Angle 359,65 deg
Page 26
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ams Datasheet
[v2-12] 2017-Jun-20
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