参数资料
型号: AS5140 PB
厂商: ams
文件页数: 27/38页
文件大小: 0K
描述: BOARD PROGRAM AS5140
标准包装: 1
模块/板类型: 插槽适配器
适用于相关产品: AS5000 编程器,AS5140
其它名称: AS5140H PB-ND
AS5140H
Data Sheet - D e t a i l e d D e s c r i p t i o n
Figure 20. Vertical Placement of the Magnet
N
N
S
Die surface
Package surface
Z
0.576mm ± 0.1mm
1.282mm ± 0.15mm
7.10 Simulation Modeling
With reference to Figure 21 , a diametrically magnetized permanent magnet is placed above or below the surface of the AS5140H. 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.
Figure 21. Arrangement of Hall Sensor Array on Chip (principle)
3.9mm±0.235mm
1
2.433mm
±0.235mm
AS5140H die
X1
Y1
Y2
X2
Center of die
Radius of circular Hall sensor
www.austriamicrosystems.com/AS5140H
Revision 1.4
26 - 37
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