参数资料
型号: AS5215OM-HMFP-500
厂商: ams
文件页数: 15/27页
文件大小: 0K
描述: IC ENCODER ROTARY 32-QFN
应用说明: AS5000 Series Magnet Selection Guide
AS5000 Series Magnets for Extended Vertical Range
特色产品: AS5215 - Automotive Rotary Encoder IC
标准包装: 1
传感范围: 20mT ~ 80mT
类型: 线性,旋转编码器 - 可编程
电源电压: 4.5 V ~ 5.5 V
电流 - 电源: 28mA
输出类型: 模拟
特点: 可编程
工作温度: -40°C ~ 150°C
封装/外壳: 32-VQFN 裸露焊盘
供应商设备封装: 32-QFN(7x7)
包装: 标准包装
其它名称: AS5215-HQFT-500DKR
AS5215-HQFT-500DKR-ND
AS5215-HQFT-OM-500DKR
AS5215-HQFT-OM-500DKR-ND
AS5215OM-HMFP-500DKR
AS5215
Datasheet - D e t a i l e d D e s c r i p t i o n
Figure 11. Magnetic Field Lines with Spacer Between Magnet and Iron Shaft
If the magnet has to be mounted inside a magnetic shaft, a possible solution is to place a non-magnetic spacer between shaft and magnet, as
shown in Figure 11 . While the magnetic field is rather distorted towards the shaft, there are still adequate field lines available towards the sensor
IC. The distortion remains reasonably low.
7.1.6
Summary
Small diameter magnets (<6mm ?) have a shorter linear range and allow less lateral misalignment. The steeper slope allows larger axial
distances.
Large diameter magnets (>6 mm ?) have a wider linear range and allow a wider lateral misalignment. The flatter slope requires shorter axial
distances.
The linear range decreases with airgap; Best performance is achieved at shorter airgaps.
The ideal vertical distance range can be determined by using magnetic range indicators provided by the encoder ICs. These indicators are
named MagInc, MagDec, MagRngn, or similar, depending on product.
www.austriamicrosystems.com/AS5215
Revision 1.11
14 - 26
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