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A19520 是一款先进的耐振霍尔效应集成电路 (IC)，可测量旋转目标的速度和方向。该传感器 IC 可以直接测量环形磁铁或者与磁铁反向偏置来测量铁磁目标。该封装具有用于电磁兼容性 (EMC) 的集成电容器。
A19520 采用智能算法，可在传动应用中常见的振动和高动态气隙环境中稳定运行。此外，A19520 差分传感功能对干扰共模磁场具有固有抑制功能。
A19520 中的集成诊断用于检测影响输出协议精度的 IC 故障，提供支持功能安全性的覆盖范围。
A19520 采用无铅 (Pb) 2 引脚单 SIP 封装（后缀：UG），并采用锡电镀引脚框。UB 封装包括集成在单个包覆成型封装中的 IC 和电容器，并附加模制引线稳定杆，可实现安全运输，并且易于组装。
A19520 根据 ISO 26262:2011 开发，是独立硬件安全元件，具有 ASIL B 功能（待评估），按照适用的安全手册和数据表描述的方式集成和使用时，可用于汽车安全相关系统。
| Document Type | Document Name |
|---|---|
| Application Note | Giant Magnetoresistance versus Hall-effect: A Comparison of Technologies for Speed Sensor Applications |
| Application Note | A19520/ATS19520 Sensor IC Outputs Under Vibration Conditions |
| Application Note | Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs |
| Application Note | Fundamental Properties of Speed Sensors |
| Application Note | Target Design for Hall Transmission Sensors |
| Selection Guide | Allegro Product Selection Guide |
