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參數資料
| 型號： | AS5130-ASST-500 |
| 廠商： | ams |
| 文件頁數： | 33/33頁 |
| 文件大小： | 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： | * |
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www.austriamicrosystems.com/AS5130
Revision 1.12
32 - 41
AS5130
Datasheet - Application Information
8.4.2 Vertical Distance of the Magnet
The chip-internal automatic gain control (AGC) regulates the input signal amplitude for the tracking-ADC to a constant value. This improves the
accuracy of the encoder and enhances the tolerance for the vertical distance of the magnet.
Figure 27. Typical Curves for Vertical Distance versus ACG Value on Several Untrimmed Samples
As shown in Figure 27, the AGC value (left Y-axis) increases with vertical distance of the magnet. Consequently, it is a good indicator for
determining the vertical position of the magnet, for example as a pushbutton feature, as an indicator for a defective magnet or as a preventive
warning (e.g. for wear on a ball bearing etc.) when the nominal AGC value drifts away. If the magnet is too close or the magnetic field is too
strong, the AGC will be reading 0. If the magnet is too far away (or missing) or if the magnetic field is too weak, the AGC will be reading 63 (3FH).
The AS5130 will still operate outside the AGC range, but the accuracy may be reduced as the signal amplitude can no longer be kept at a
constant level. The linearity curve in Figure 27 (right Y-axis) shows that the accuracy of the AS5130 is best within the AGC range, even slightly
better at small airgaps (0.4 0.8mm). At very short distances (0 0.1) the accuracy is reduced, mainly due to nonlinearities in the magnetic field.
At larger distances, outside the AGC range (~2.0 2.5mm and more) the accuracy is still very good, only slightly decreased from the nominal
accuracy. Since the field strength of a magnet changes with temperature, the AGC will also change when the temperature of the magnet
changes. At low temperatures, the magnetic field will be stronger and the AGC value will decrease. At elevated temperatures, the magnetic field
will be weaker and the AGC value will increase.
Linearity and AGC vs Airgap
0
8
16
24
32
40
48
56
64
0
500
1000
1500
2000
2500
Airgap [祄]
1,0
1,2
1,4
1,6
1,8
2,0
2,2
sample#1
sample#2
sample#3
sample#4
Linearity [癩
相關PDF資料 |
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| AS5132-HSST-500 | IC ENCODER ROTARY 20-SSOP |
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| AS5145B-HSST-500 | IC ENCODER ROTARY MAGN 16-SSOP |
| AS5510-DWLT | IC ENCODER MAGNETIC LIN 6-WLCSP |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AS5130ASSU | 制造商:AMS 功能描述:IC MAGNETIC ROTARY ENCODER 8BIT SSOP-16 制造商:AMS 功能描述:IC, MAGNETIC ROTARY ENCODER 8BIT SSOP-16; IC Function:Encoder IC; Brief Features:360 Contactless Angular Position Encoding, Two Digital 8-bit Absolute Output; Supply Voltage Min:3V; Supply Voltage Max:5.5V; No. of Pins:16 ;RoHS Compliant: Yes |
| AS5130-ASSU | 功能描述:IC ENCODER ROTARY 8-BIT 16-SSOP RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| AS5130ATST | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:8 Bit Programmable Magnetic Rotary Encoder with Motion Detection & Multiturn |
| AS5130ATSU | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:8 Bit Programmable Magnetic Rotary Encoder with Motion Detection & Multiturn |
| AS5130-SS_EK_DB | 功能描述:AS5130 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件狀態:有效 傳感器類型:磁性，旋轉位置 感應范圍:360° 接口:串行 靈敏度:- 電壓 - 電源:4.5 V ~ 5.5 V 嵌入式:- 所含物品:板 使用的 IC/零件:AS5130 標準包裝:1 |
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