參數資料
型號: AS5130-ASST-500
廠商: ams
文件頁數: 32/33頁
文件大?。?/td> 4323K
描述: IC ENCODER ROTORY 8-BIT 16-SSOP
標準包裝: 500
傳感范圍: 32mT ~ 75mT
類型: 線性,旋轉編碼器 - 可編程
電源電壓: 4.5 V ~ 5.5 V
電流 - 電源: 24mA
輸出類型: 模擬,比率
特點: 可編程
工作溫度: -40°C ~ 125°C
封裝/外殼: *
供應商設備封裝: *
包裝: *
www.austriamicrosystems.com/AS5130
Revision 1.12
31 - 41
AS5130
Datasheet - Application Information
Figure 26. Typical INL Error over 360?/DIV>
Figure 26 shows a typical example of an error curve over a full turn of 360?/SPAN> at a given X-Y- displacement. The curve includes the quantization 
error, transition noise and the system error. The total error is ~2.2?peak/peak (+/-1.1?.
The sawtooth-like quantization error (see Figure 25) can be reduced by averaging, provided that the magnet is in constant motion and there are
an adequate number of samples available. The solid bold line in Figure 26 shows the moving average of 16 samples. The INL (intrinsic non-
linearity) is reduced to from ~+/- 1.1?down to ~ +/-0.3? The averaging however, also increases the total propagation delay, therefore it may be
considered for low speeds only or adaptive; depending on speed (see Position Error Over Speed: on page 21).
INL including quantization error
-1,5
-1
-0,5
0
0,5
1
1,5
0
45
90
135
180
225
270
315
360
Angle steps
INL
Average (16x)
 
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