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日前，德州儀器 (TI) 宣布推出業(yè)界最小型 4 通道、低功耗、低抖動(dòng)正弦至正弦波時(shí)鐘緩沖器。作為正弦波時(shí)鐘緩沖器系列產(chǎn)品中的首款產(chǎn)品，CDC3S04 可取代多達(dá) 3 顆具有相同頻率的獨(dú)立溫度補(bǔ)償晶體振蕩器 (TCXO)，從而可將板級(jí)空間與材料單 (BOM) 成本銳降近 50%。設(shè)計(jì)人員可將 CDC3S04 用于各種移動(dòng)應(yīng)用中，其中包括手機(jī) (UMTS/WCDMA/GSM)、智能電話、移動(dòng)因特網(wǎng)設(shè)備 (MID)、超移動(dòng) PC (UMPC)、導(dǎo)航設(shè)備以及全球定位系統(tǒng) (GPS)。歡迎下載產(chǎn)品說明書或申請(qǐng)樣片：http://focus.ti.com.cn/cn/docs/prod/folders/print/cdc3s04.html 。

 

CDC3S04 的主要特性與優(yōu)勢

· 1:4 低抖動(dòng)、正弦至正弦時(shí)鐘緩沖器可取代多個(gè) TCXO，從而可顯著節(jié)省板級(jí)空間與成本；

· 集成型片上 LDO 無需內(nèi)部低壓降 (LDO) 穩(wěn)壓器，可節(jié)省板級(jí)空間；

· 片上 LDO 可用作 TCXO 的電源開關(guān)，在低功耗待機(jī)時(shí)節(jié)省電源；

· 緩沖器可向 4 個(gè)不同的外設(shè)分配正弦波，而所增加的相位噪聲完全可以忽略，從而可最大限度地降低電磁干擾 (EMI)；

· 內(nèi)建 I²C 接口使客戶可針對(duì)輸出、極性以及內(nèi)部編碼進(jìn)行實(shí)時(shí)控制；

· 設(shè)計(jì)人員可充分發(fā)揮 TI OMAP4xx 處理器的優(yōu)勢，加速產(chǎn)品的上市進(jìn)程。

        

供貨情況

CDC3S04 現(xiàn)已開始投入批量生產(chǎn)，而評(píng)估模塊 (EVM) 將于 09 年第 4 季度后期提供。CDC3S04 采用業(yè)界領(lǐng)先的小型 WCSP 封裝（1.6 毫米 x 2.0 毫米）。

 

通過以下鏈接查閱有關(guān) TI 接口產(chǎn)品的更多信息：

· 申請(qǐng) CDC3S04 樣片：http://focus.ti.com.cn/cn/docs/prod/folders/print/cdc3s04.html；

· 快速搜尋 TI 廣泛的時(shí)鐘產(chǎn)品系列或下載最新選擇指南：www.ti.com.cn/clocks；

· 通過 TI E2E 在線社區(qū)咨詢問題、共享知識(shí)：http://www.ti.com.cn/e2e ；

· 通過 Twitter，了解 TI 最新信息：www.twitter.com/txinstruments。

 

商標(biāo)

所有注冊(cè)商標(biāo)與其它商標(biāo)均歸其各自所有者所有。

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關(guān)于德州儀器公司

德州儀器 (TI) 始終致力于幫助客戶從容應(yīng)對(duì)任何設(shè)計(jì)挑戰(zhàn)，從而開發(fā)出創(chuàng)新的電子解決方案，讓未來世界更智能、更健康、更安全、更環(huán)保以及更精彩。作為全球性的半導(dǎo)體公司，TI 在全球超過 30 個(gè)國家設(shè)有制造、設(shè)計(jì)或銷售機(jī)構(gòu)。

 

TI 在紐約證交所上市交易，交易代碼為 TXN。

 

如欲了解有關(guān) TI 的進(jìn)一步信息，敬請(qǐng)查詢 http://www.ti.com.cn。

 

TI 半導(dǎo)體產(chǎn)品信息中心免費(fèi)熱線電話：800-820-8682。