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| 型号： | AS5043-ASST |
| 厂商： | ams |
| 文件页数： | 23/37页 |
| 文件大小： | 0K |
| 描述： | IC ENCODER PROG 10-BIT 16-SSOP |
| 应用说明： | AS5000 Series Magnet Selection Guide AS5000 Series Magnets for Extended Vertical Range |
| 标准包装： | 1 |
| 传感范围： | 45mT ~ 75mT |
| 类型： | 线性，旋转编码器 - 可编程 |
| 电源电压： | 3 V ~ 3.6 V，4.5 V ~ 5.5 V |
| 电流 - 电源： | 21mA |
| 电流 - 输出（最大）： | 4mA |
| 输出类型： | 模拟，数字 |
| 特点： | 可编程 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 804 (CN2011-ZH PDF) |
| 其它名称： | AS5043-ASSTDKR |
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Θ = arctan ( Y 1 ? Y 2 ) ± 0 . 5 °
AS5043
Data Sheet – Simulation Modelling
16 Simulation Modelling
Figure 21: Arrangement of Hall Sensor Array on Chip (principle)
With reference to Figure 21, a diametrically magnetized permanent magnet is placed above or below the surface of the
AS5043. The chip uses an array of Hall sensors to sample the vertical vector of a magnetic field distributed across the
device package surface. The area of magnetic sensitivity is a circular locus of 1.1mm radius with respect to the center of
the die. The Hall sensors in the area of magnetic sensitivity are grouped and configured such that orthogonally related
components of the magnetic fields are sampled differentially.
The differential signal Y1-Y2 will give a sine vector of the magnetic field. The differential signal X1-X2 will give an
orthogonally related cosine vector of the magnetic field.
The angular displacement ( Θ ) of the magnetic source with reference to the Hall sensor array may then be modelled by:
( X 1 ? X 2 )
The ± 0.5° angular error assumes a magnet optimally aligned over the center of the die and is a result of gain mismatch
errors of the AS5043. Placement tolerances of the die within the package are ± 0.235mm in X and Y direction, using a
reference point of the edge of pin #1 (Figure 21).
In order to neglect the influence of external disturbing magnetic fields, a robust differential sampling and ratiometric
calculation algorithm has been implemented. The differential sampling of the sine and cosine vectors removes any
common mode error due to DC components introduced by the magnetic source itself or external disturbing magnetic
fields. A ratiometric division of the sine and cosine vectors removes the need for an accurate absolute magnitude of the
magnetic field and thus accurate Z-axis alignment of the magnetic source.
The recommended differential input range of the magnetic field strength (B (X1-X2) ,B (Y1-Y2) ) is ± 75mT at the surface of the
die. In addition to this range, an additional offset of ± 5mT, caused by unwanted external stray fields is allowed.
The chip will continue to operate, but with degraded output linearity, if the signal field strength is outside the
recommended range. Too strong magnetic fields will introduce errors due to saturation effects in the internal
preamplifiers. Too weak magnetic fields will introduce errors due to noise becoming more dominant.
www.austriamicrosystems.com
Revision 1.80
22 – 36
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| AS5043ASSU | 制造商:AMS 功能描述:IC MAGNETIC ROTARY ENCODER 10BIT SSOP16 制造商:AMS 功能描述:IC, MAGNETIC ROTARY ENCODER 10BIT SSOP16; IC Function:Encoder IC; Brief Features:360 Contactless High Resolution Angular Position Encoding, Two 10-bit Absolute Output; Supply Voltage Min:3V; Supply Voltage Max:3.6V; No. of Pins:16 ;RoHS Compliant: Yes |
| AS5043-ASSU | 功能描述:板机接口霍耳效应/磁性传感器 RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23 |
| 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:- |
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