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参数资料
| 型号： | AS5045 DB V2 |
| 厂商： | ams |
| 文件页数： | 13/34页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO AS5045 |
| 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 |
| 已用 IC / 零件： | AS5045 |
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AS5045
Data Sheet
7 Functional Description
The AS5045 is manufactured in a CMOS standard process and uses a spinning current Hall technology for sensing
the magnetic field distribution across the surface of the chip.
The integrated Hall elements are placed around the center of the device and deliver a voltage representation of the
magnetic field at the surface of the IC.
Through Sigma-Delta Analog / Digital Conversion and Digital Signal-Processing (DSP) algorithms, the AS5045
provides accurate high-resolution absolute angular position information. For this purpose a Coordinate Rotation
Digital Computer (CORDIC) calculates the angle and the magnitude of the Hall array signals.
The DSP is also used to provide digital information at the outputs M a g I N C n and M a g D E C n that indicate
movements of the used magnet towards or away from the device’s surface.
A small low cost diametrically magnetized (two-pole) standard magnet provides the angular position information (see
Figure 17 ).
The AS5045 senses the orientation of the magnetic field and calculates a 12-bit binary code. This code can be
accessed via a Synchronous Serial Interface (SSI). In addition, an absolute angular representation is given by a
Pulse Width Modulated signal at pin 12 (PWM). This PWM signal output also allows the generation of a direct
proportional analogue voltage, by using an external Low-Pass-Filter.
The AS5045 is tolerant to magnet misalignment and magnetic stray fields due to differential measurement technique
and Hall sensor conditioning circuitry.
Figure 4. AS5045 Block Diagram
www.austriamicrosystems.com
Revision 1.7
12 – 33
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5045-EK-AB | 制造商:ams 功能描述:BOARD ADAPTER AS5045 |
| AS5045-SS_EK_AB | 功能描述:AS5045 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:串行 灵敏度:- 电压 - 电源:9V 嵌入式:否 所含物品:板 使用的 IC/零件:AS5045 标准包装:1 |
| AS5045-SS_EK_DB | 功能描述:AS5045 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:USB 灵敏度:- 电压 - 电源:5V USB 或 9V 嵌入式:是，MCU，8 位 所含物品:板 使用的 IC/零件:AS5045 标准包装:1 |
| AS5045TR | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:12 BIT PROGRAMMABLE MAGNETIC ROTARY ENCODER |
| AS5045-Z | 制造商:AMS 功能描述:0 |
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