【产品】SP8008系列低电容TVS二极管阵列，降低高速应用中的信号衰减和失真

时间： 2017-03-24 来源：Littelfuse（世强翻译）

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——保护快速信号引脚

全球电路保护领导厂商LITTELFUSE公司推出了SP8008系列TVS二极管阵列（SPA Diodes），旨在为电子设备提供八通道超低电容共模和差模保护设备暴露于静电放电（ESD）。SP8008系列低电容TVS二极管阵列提供了超过IEC 61000-4-2接触ESD级别±8kV的ESD事件所必需的强大性能，而不会降低性能。它们极低的负载电容（只有0.3pF的典型值）也使得这些组件非常适合保护高速信号引脚，如V-by-One，Embedded DisplayPort，HDMI 1.0至2.1和USB 2.0/3.0/3.1，而且信号完整性不会受损。

SP8008系列的典型应用包括LCD/PDP电视，LCD/LED显示器，笔记本电脑，超小型汽车显示器，平板显示器，数字标牌，高清摄像机/投影机以及USB和HDMI接口的高速接口保护。

Littelfuse的TVS二极管阵列全球产品经理Tim Micun表示：“除了低负载电容和低动态电阻外，SP8008系列TVS二极管阵列还为电路设计人员提供了紧凑型外形的优势。μDFN-14封装节省了电路板空间，并支持数据线的直通路由。”

SP8008系列TVS二极管具有以下主要优点：

1）低负载电容（0.3pF）可降低高速应用的信号衰减和失真；

2）低动态电阻（0.4Ω）提供低钳位性能，以保持信号完整性和最小化数据丢失，同时使设备在面临电气威胁时更加稳定可靠。

3）允许制造商实现超过IEC标准规定的最大级别的ESD保护，并防止多种其他威胁，以确保产品的可靠性。

图1：产品图片

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钱庐午 Lv9. 科学家 2018-08-21

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