参数资料
型号: AS5045-ASST
厂商: ams
文件页数: 24/34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 Choosing the Proper Magnet
Typically the magnet should be 6mm in diameter and ≥ 2.5mm in height. Magnetic materials such as rare earth
AlNiCo/SmCo5 or NdFeB are recommended.
The magnetic field strength perpendicular to the die surface has to be in the range of ±45mT…±75mT (peak).
The magnet’s field strength should be verified using a gauss-meter. The magnetic field B v at a given distance, along
a concentric circle with a radius of 1.1mm (R1), should be in the range of ±45mT…±75mT (see Figure 17 ).
Figure 17. Typical Magnet (6x3mm) and Magnetic Field Distribution
typ. 6mm diameter
N
S
R1
Magnet axis
Magnet axis
Vertical field
component
Vertical field
component
N
S
R1 concentric circle;
radius 1.1mm
Bv
0
(45…75mT)
360
www.austriamicrosystems.com
Revision 1.7
23 – 33
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