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我查询的有ACM1200和ISO121这几款，有大神介绍一下吗
跟ACPL-087直接替代的没有，隔离放大器目前有以下七款，根据带宽不同，CMRR以及隔离最大工作电压不同选择适合实际应用的。
http://www.ti.com/amplifier-circuit/special-function/isolated/products.html
