參數(shù)資料
型號: 5962-0423502KXC
元件分類: 位置變換器
英文描述: SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, CQFP52
封裝: 0.956 X 0.956 INCH, 0.100 INCH HEIGHT, HERMETIC SEALED, CERAMIC, QFP-52
文件頁數(shù): 15/23頁
文件大?。?/td> 259K
代理商: 5962-0423502KXC
22
SCD5028-1 Rev J 9/30/08
Aeroflex Plainview
ANOMALY #3
PRECAUTIONARY NOTE:
The ACT5028 RDC converter can provide incorrect data output if a unit step of 180° (starting at any angle)
is introduced to the Sin / Cos input.
This anomaly is difficult to reproduce since a Resolver will never provide a unit step function to the RDC
chip.
The only time this would be a concern is during power up, if the Resolver is set to 180°. The RDC will
initialize its internal counter to 0000h which simulates the unit step function mentioned above. In practice
this error condition during power up is difficult to produce because of the dynamics associated with all the
variables when power is first applied.
If the system designer does nothing to accommodate this potential problem the system could see an error at
power on, however, this error will be self corrected once the Resolver begins to rotate.
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