德州仪器推出业界最小正弦至正弦波时钟缓冲器
高集成时钟缓冲器可显著降低成本，节省板级空间
2009-11-30
作者：德州仪器
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日前，德州仪器 (TI) 宣布推出业界最小型 4 通道、低功耗、低抖动正弦至正弦波时钟缓冲器。作为正弦波时钟缓冲器系列产品中的首款产品，CDC3S04 可取代多达 3 颗具有相同频率的独立温度补偿晶体振荡器 (TCXO)，从而可将板级空间与材料单 (BOM) 成本锐降近 50%。设计人员可将 CDC3S04 用于各种移动应用中，其中包括手机 (UMTS/WCDMA/GSM)、智能电话、移动因特网设备 (MID)、超移动 PC (UMPC)、导航设备以及全球定位系统 (GPS)。欢迎下载产品说明书或申请样片：http://focus.ti.com.cn/cn/docs/prod/folders/print/cdc3s04.html 。
CDC3S04 的主要特性与优势
· 1:4 低抖动、正弦至正弦时钟缓冲器可取代多个 TCXO，从而可显著节省板级空间与成本；
· 集成型片上 LDO 无需内部低压降 (LDO) 稳压器，可节省板级空间；
· 片上 LDO 可用作 TCXO 的电源开关，在低功耗待机时节省电源；
· 缓冲器可向 4 个不同的外设分配正弦波，而所增加的相位噪声完全可以忽略，从而可最大限度地降低电磁干扰 (EMI)；
· 内建 I
· 设计人员可充分发挥 TI OMAP4xx 处理器的优势，加速产品的上市进程。
供货情况
CDC3S04 现已开始投入批量生产，而评估模块 (EVM) 将于 09 年第 4 季度后期提供。CDC3S04 采用业界领先的小型 WCSP 封装（1.6 毫米 x 2.0 毫米）。
通过以下链接查阅有关 TI 接口产品的更多信息：
· 申请 CDC3S04 样片：http://focus.ti.com.cn/cn/docs/prod/folders/print/cdc3s04.html；
· 快速搜寻 TI 广泛的时钟产品系列或下载最新选择指南：www.ti.com.cn/clocks；
· 通过 TI E2E 在线社区咨询问题、共享知识：http://www.ti.com.cn/e2e ；
· 通过 Twitter，了解 TI 最新信息：www.twitter.com/txinstruments。
商标
所有注册商标与其它商标均归其各自所有者所有。
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关于德州仪器公司
德州仪器 (TI) 始终致力于帮助客户从容应对任何设计挑战，从而开发出创新的电子解决方案，让未来世界更智能、更健康、更安全、更环保以及更精彩。作为全球性的半导体公司，TI 在全球超过 30 个国家设有制造、设计或销售机构。
TI 在纽约证交所上市交易，交易代码为 TXN。
如欲了解有关 TI 的进一步信息，敬请查询 http://www.ti.com.cn。
TI 半导体产品信息中心免费热线电话：800-820-8682。
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