力芯微推出用于音频传输、带过压保护的模拟开关ET7428，工作电压2.7~5.5V，低内阻典型值1Ω

时间： 2024-09-25 来源：ETEK（无锡力芯微电子股份有限公司公众号）

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ET7428是一款2通道的单刀双掷音频开关，设计用于2.7V到5.5V的电源下工作。ET7428可以处理低至-3.6V的负信号，保证负压信号不失真。该部件还具有保证的先断后合（BBM）开关，在信号从一条路径传输到另一条路径的过程中，先断后合功能可以防止信号失真。低导通电阻、出色的通道间导通电阻匹配和最小的总谐波失真（THD）性能是音频应用的理想选择。当COM端的电压超过OVP阈值时，从COM端子到NC和NO端子的通道将关闭。

Audio模拟开关ET7428采用小型QFN10L封装，非常适合小型便携式设备。

特点（Feature）

系统工作电压：2.7V至5.5V

信号传输：-3.6到 +5.5V

低内阻：1Ω（典型值）

模拟输入端口耐压：-5V到+12V

输入端口OVP：5.8V（典型值）

低功耗、低失真、高隔离度

先断后合 (BBM)

每个通道可提供高达±300mA电流能力

封装：QFN10L (1.8mm×1.4mm)

典型应用

关键项测试数据、曲线

管脚定义：

功能框图：

内阻曲线：

带宽：

隔离度：

串扰：

THD+N：

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本文由犀牛先生转载自ETEK（无锡力芯微电子股份有限公司公众号），原文标题为:5.5V，1Ω，双路SPDT的Audio模拟开关 | 力芯微推出用于音频传输带过压保护的模拟开关，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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