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參數(shù)資料
| 型號： | AS5043 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 同步/旋轉(zhuǎn)傳感器 |
| 英文描述： | 10-bit (SSI, analog) |
| 中文描述： | 可編程360Σ式磁角編碼器的絕對小型工業(yè)和模擬輸出 |
| 文件頁數(shù)： | 32/36頁 |
| 文件大?。?/td> | 719K |
| 代理商： | AS5043 |
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AS5043
Data Sheet – Electrical Characteristics
www.austriamicrosystems.com
Revision 1.80
32 – 36
Figure 24: Integral and Differential Non-Linearity (exaggerated curve)
180°
360
°
0
°
0
512
1023
α
α
10bit code
0
1
2
0.35°
INL
Ideal curve
Actual curve
TN
512
1023
DNL+1LSB
[degrees]
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.
19.6 Timing Characteristics
Synchronous Serial Interface (SSI)
(operating conditions: T
amb
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless
otherwise noted)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Data output activated
(logic high)
t
DO
active
100
ns
Time between falling edge of CSn and data
output activated
First data shifted to output
register
t
CLK FE
500
ns
Time between falling edge of CSn and first
falling edge of CLK
Start of data output
T
CLK / 2
500
ns
Rising edge of CLK shifts out one bit at a time
Data output valid
t
DO valid
413
ns
Time between rising edge of CLK and data
output valid
Data output tristate
t
DO tristate
100
ns
After the last bit DO changes back to “tristate”
Pulse width of CSn
t
CSn
500
ns
CSn = high; To initiate read-out of next
angular position
Read-out frequency
f
CLK
>0
1
MHz
Clock frequency to read out serial data
19.7 Programming Conditions
(operating conditions: T
amb
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless
otherwise noted)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Programming enable time
t
Prog enable
2
μs
Time between rising edge at Prog
pin and rising edge of CSn
Write data start
t
Data in
2
μs
Write data valid
t
Data in valid
250
ns
Write data at the rising edge of
CLK
PROG
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| AS5043_1 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Programmable 360 Magnetic Angle Encoder with Absolute SSI and Analog Outputs |
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