AS5045
Data Sheet
Figure 7. Daisy Chain Mode Data Transfer
CSn
t CLK FE
T CLK/2
CLK
1
8
18
D
1
2
3
DO
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
OCF
COF
LIN
Mag
INC
Mag
DEC
Even
PAR
D11
D10
D9
t DO active
t DO valid
Angular Position Data
1 st
Device
Status Bits
Angular Position Data
2 nd Device
9 Pulse Width Modulation (PWM) Output
The AS5045 provides a pulse width modulated output (PWM), whose duty cycle is proportional to the measured
angle:
( t
on off )
Position =
t on ? 4097
+ t
? 1
The PWM frequency is internally trimmed to an accuracy of ± 5% ( ± 10% over full temperature range). This tolerance
can be cancelled by measuring the complete duty cycle as shown above.
Figure 8. PWM Output Signal
Angle
0 deg
(Pos 0)
PW MIN
1μs
4097μs
PW MAX
359.91 deg
(Pos 4095)
4096μs
1/f PWM
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