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Address: B1309 Xin Zhong Fa Building Zhongguancun Street, No. 32 Haidian Beijing
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A7520-000E 产品描述
HCPL-7520 隔离线性感应芯片主要面向低功耗电子电机驱动和汽车应用的电流感应设计。
在典型实现中,电机电流流经外部电阻造成的类比压降通过 HCPL-7520 进行感应,并在 HCPL-7520 光隔离屏障另一端产生正比于电机电流的單端输出电压,由于在现今电子驱动电路中共模电压可以在数十 ns 内出现数百 V 的变化,因此 HCPL-7520 在设计上可以承受 10 kV/μs 的超高共模瞬态变化。
HCPL-7520 隔离放大器的高 CMR 带来高噪电机控制环境下精确监测电机电流的精确度和稳定度,为各种不同电机控制应用带来平顺的控制,转矩纹波更低。
这个产品也可以应用在通用模拟信号应用中,在应用建议使用 ±5% 增益误差的 HCPL-7520,HCPL-7520 使用 Sigma-Delta 模数转换器技术带来偏移和增益精确度以及长时间运作和不同温度下的稳定度。
产品采用符合全球法规安全规范标准的 8-pin DIP 封装供货,并提供 #300 鸥翼式表面贴装选择。
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