【产品】具有热插拔功能的RS485收发器65HVD3080-65HVD3088，适用于路由器、交换机等产品
华冠半导体推出的65HVD3080–65HVD3088是+5.0V供电、具有±16kVESD保护的RS-485/RS-422收发器。具有失效保护电路，当接收器输入开路或短路、或者挂接在终端匹配总线上的所有发送器都禁用时，接收器将输出逻辑高电平。全系列都具有热插拔功能，在上电或热插入时可以消除总线上的故障瞬变信号。
65HVD3080–65HVD3088驱动器提供超大输出电压摆幅（在54欧姆负载时会超过2.1V），从而保证了更高的噪声容限；65HVD3080E–65HVD3085E具有低摆率驱动器，能够减小EMI和由于不恰当的终端匹配电缆所引起的反射，实现高达500kbps的无差错数据传输；65HVD3086/65HVD3087/65HVD3088驱动器的摆率不受限制，可实现高达16Mbps的传输速率。
65HVD3082/65HVD3085/65HVD3088用于半双工通信；65HVD3080/65HVD3081/65HVD3083/65HVD3084/65HVD3086/65HVD3087用于全双工通信。
所有器件的接收器具有1/8单位负载输入阻抗，总线上可以挂接多达256个收发器。
65HVD3081/65HVD3082/65HVD3084/65HVD3085/65HVD3087/65HVD3088采用8脚PDIP和8脚SO封装，65HVD3080/65HVD3083/65HVD3086采用14脚DIP和14脚SOP封装。这些器件可以提供商用级或工业级温度范围。
特性
●真正的失效保护接收器低功耗关断模式
●（65HVD3081/65HVD3084/65HVD3087除外）DE与RE采用热插拔输入结构
●+5.0V工作电压总线上允许挂接多达256个收发器具有摆率限制功能有助于实现无差错数据传输
●（65HVD3086/65HVD3087/65HVD3088除外）
●I/O口采用增强型ESD保护（±16kVIEC61000-4-2模型）
●直接取代MAX3080E-MAX3088E、MAX13080E-88E系列
应用
●RS-422通讯/RS-485通讯
●数字电表水表，工业控制，工业
●嵌入电脑和外设安防监控系统
●路由器和交换机
●仪器仪表电平转换
●对EMI敏感收发器应用
绝对最大额定值
表 1
订购信息
表 2
封装信息
图 1
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本文由三年不鸣转载自华冠半导体，原文标题为:65HVD3080-65HVD3088具有热插拔、失效保护、±16kVESD保护的5V RS485收发器，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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