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参数资料
| 型号： | AS5043 DB V2 |
| 厂商： | ams |
| 文件页数： | 28/37页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO AS5043 |
| 标准包装： | 1 |
| 传感器类型： | 磁性，旋转位置 |
| 传感范围： | 360° |
| 接口： | USB |
| 电源电压： | 5V USB 或 9V |
| 嵌入式： | 是，MCU，8 位 |
| 已供物品： | 板，线缆 |
| 已用 IC / 零件： | AS5043 |
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AS5043
Data Sheet – Angular Output Tolerances
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.
www.austriamicrosystems.com
Revision 1.80
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5043TR | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:PROGRAMMABLE 360° MAGNETIC ANGLE ENCODER WITH ABSOLUTE SSI AND ANALOG OUTPUTS |
| AS5045 | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:12 BIT PROGRAMMABLE MAGNETIC ROTARY ENCODER |
| AS5045 AB | 功能描述:BOARD ADAPTER AS5045 RoHS:否 类别:编程器，开发系统 >> 评估板 - 传感器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
| AS5045 DB | 制造商:ams 功能描述:Demoboard for AS5045 Rotary Encoder, Bulk |
| AS5045 DB V2 | 功能描述:BOARD DEMO AS5045 RoHS:否 类别:编程器，开发系统 >> 评估板 - 传感器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
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