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| 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)： | 27/36頁 |
| 文件大?。?/td> | 719K |
| 代理商： | AS5043 |
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AS5043
Data Sheet – Angular Output Tolerances
www.austriamicrosystems.com
Revision 1.80
27 – 36
18.7 Temperature
18.7.1 Magnetic Temperature Coefficient
One of the major benefits of the AS5043 compared to linear Hall sensors is that it is much less sensitive to temperature.
While linear Hall sensors require a compensation of the magnet’s temperature coefficients, the AS5043 automatically
compensates for the varying magnetic field strength over temperature. The magnet’s temperature drift does not need to
be considered, as the AS5043 operates with magnetic field strengths from
±
45…
±
75mT.
Example:
A NdFeB magnet has a field strength of 75mT @ –40°C and a temperature coefficient of -0.12% per Kelvin. The
temperature change is from –40° to +125° = 165K.
The magnetic field change is: 165 x -0.12% = -19.8%, which corresponds to 75mT at –40°C and 60mT at 125°C .
The AS5043 can compensate for this temperature related field strength change automatically, no user adjustment is
required.
18.7.2 Accuracy over Temperature
The influence of temperature in the absolute accuracy is very low. While the accuracy is
≤
±
0.5° at room temperature, it
may increase to
≤±
0.9° due to increasing noise at high temperatures.
18.7.3 Timing Tolerance over Temperature
The internal RC oscillator is factory trimmed to
±
5%. Over temperature, this tolerance may increase to
±
10%. Generally,
the timing tolerance has no influence in the accuracy or resolution of the system, as it is used mainly for internal clock
generation.
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| AS5043 AB | 功能描述:BOARD ADAPTER AS5043 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 傳感器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AS5043 DB V2 | 功能描述:BOARD DEMO AS5043 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 傳感器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AS5043 PB | 功能描述:BOARD PROGRAM AS5043 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 適配器 系列:- 標準包裝:96 系列:- 模塊/板類型:TQFP 插座模塊 適用于相關(guān)產(chǎn)品:- |
| 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 |
| AS5043-AB | 制造商:ams 功能描述:Magnetic Sensor Development Tools AS5043 Adapter Board |
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