参数资料
型号: AS5045-ASST
厂商: ams
文件页数: 25/34页
文件大小: 0K
描述: IC ENCODER PROG 12-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: 数字式,PWM,12 位串行
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: AS5045-ASSTDKR
AS5045
Data Sheet
14.1 Physical Placement of the Magnet
The best linearity can be achieved by placing the center of the magnet exactly over the defined center of the chip as
shown in the drawing below:
Figure 18. Defined Chip Center and Magnet Displacement Radius
3.9 mm
3.9 mm
1
2.433 mm
Defined
center
R d
2.433 mm
Area of recommended maximum
magnet misalignment
Magnet Placement
The magnet’s center axis should be aligned within a displacement radius R d of 0.25mm from the defined center of
the IC.
The magnet may be placed below or above the device. The distance should be chosen such that the magnetic field
on the die surface is within the specified limits (see Figure 17 ). The typical distance “z” between the magnet and the
package surface is 0.5mm to 1.5mm, provided the use of the recommended magnet material and dimensions (6mm x
3mm). Larger distances are possible, as long as the required magnetic field strength stays within the defined limits.
However, a magnetic field outside the specified range may still produce usable results, but the out-of-range condition
will be indicated by MagINCn (pin 1) and MagDECn (pin 2), see Table 1 .
Figure 19. Vertical Placement of the Magnet
N
S
www.austriamicrosystems.com
Die surface
Package surface
Revision 1.7
z
0.576mm ± 0.1mm
1.282mm ± 0.15mm
24 – 33
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