AS5045 データシートの表示（PDF） - austriamicrosystems AG
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AS5045 Datasheet PDF : 34 Pages
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AS5045
Data Sheet
Figure 3. Integral and Differential Non-linearity (example)
4095 α12bit code
4095
Actual curve
2
TN
Ideal curve
lid 2048
1
DNL+1LSB
0
INL
0.09°
2048
till va 0
G s 0°
180°
360 °
α [degrees]
A t Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.
s n Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.
e Transition Noise (TN) is the repeatability of an indicated position
am nt 6.7 Timing Characteristics
o 6.7.1 Synchronous Serial Interface (SSI)
c (operating conditions: Tamb = -40 to +125°C, VDD5V = 3.0~3.6V (3V operation) VDD5V = 4.5~5.5V (5V operation)
l unless otherwise noted)
Parameter
Symbol Min Typ Max Unit Note
a Data output activated
ic (logic high)
t DO active
100
First data shifted to output
register
tCLK FE
500
n Start of data output
T CLK / 2
500
h Data output valid
t DO valid
357
375
394
c Data output tristate
t DO tristate
100
Te Pulse width of CSn
t CSn
500
ns
Time between falling edge of CSn and data
output activated
ns
Time between falling edge of CSn and first
falling edge of CLK
ns
Rising edge of CLK shifts out one bit at a
time
ns
Time between rising edge of CLK and data
output valid
ns
After the last bit DO changes back to
“tristate”
ns
CSn = high; To initiate read-out of next
angular position
Read-out frequency
fCLK
>0
1
MHz Clock frequency to read out serial data
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Revision 1.7
10 – 33
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