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Product Overview
The CDCM6208V1HRGZR from Texas Instruments is a high-performance, low-jitter clock generator and jitter cleaner designed for demanding applications such as 5G wireless infrastructure, data centers, and high-speed networking. It provides eight differential clock outputs with ultra-low phase noise and programmable output frequencies up to 1.175 GHz. The device integrates two fractional-N PLLs and one integer-N PLL, enabling flexible frequency synthesis and jitter attenuation. Housed in a compact 48-pin VQFN (7x7 mm) package, it offers a robust solution for clock distribution in complex systems.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Outputs |
8 (differential) |
| Output Frequency Range |
Up to 1.175 GHz |
| RMS Jitter (12 kHz – 20 MHz) |
0.15 ps (typical) |
| PLL Types |
2 Fractional-N, 1 Integer-N |
| Supply Voltage |
3.3 V / 2.5 V / 1.8 V |
| Package |
48-VQFN (7x7 mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Ultra-low jitter: 0.15 ps RMS (12 kHz – 20 MHz)
- Eight differential outputs with programmable output types (LVPECL, LVDS, HCSL, etc.)
- Three independent PLLs: two fractional-N and one integer-N
- Supports hitless reference switching and holdover
- I2C/SPI programmable with EEPROM for configuration storage
- Integrated VCO with frequency range up to 2.35 GHz
Target Applications
- 5G base stations (e.g., massive MIMO, remote radio units)
- Data center switches and routers (e.g., 400G Ethernet)
- Wireless infrastructure (e.g., small cells, backhaul)
- Test and measurement equipment (e.g., oscilloscopes, signal generators)
- Broadcast video and audio equipment
Global Supply Chain & Wholesale Solutions
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and seals to ensure ESD protection and physical integrity.
產品概述
CDCM6208V1HRGZR 是德州儀器(TI)推出的一款高性能、低抖動時鐘發生器和抖動淨化器,專為 5G 無線基礎設施、數據中心和高速網絡等要求嚴苛的應用而設計。它提供八個差分時鐘輸出,具有超低相位噪聲和可編程輸出頻率(最高 1.175 GHz)。該器件集成了兩個分數-N PLL 和一個整數-N PLL,可實現靈活的頻率合成和抖動衰減。採用緊湊的 48 引腳 VQFN(7x7 mm)封裝,為複雜系統中的時鐘分配提供了穩健的解決方案。
詳細技術參數
| 參數 |
數值 |
| 輸出數量 |
8(差分) |
| 輸出頻率範圍 |
最高 1.175 GHz |
| RMS 抖動(12 kHz – 20 MHz) |
0.15 ps(典型值) |
| PLL 類型 |
2 個分數-N,1 個整數-N |
| 供電電壓 |
3.3 V / 2.5 V / 1.8 V |
| 封裝 |
48-VQFN(7x7 mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 超低抖動:0.15 ps RMS(12 kHz – 20 MHz)
- 八個差分輸出,可編程輸出類型(LVPECL、LVDS、HCSL 等)
- 三個獨立 PLL:兩個分數-N 和一個整數-N
- 支持無中斷參考切換和保持功能
- I2C/SPI 可編程,帶 EEPROM 用於配置存儲
- 集成 VCO,頻率範圍最高 2.35 GHz
典型應用場景
- 5G 基站(例如大規模 MIMO、遠程射頻單元)
- 數據中心交換機和路由器(例如 400G 以太網)
- 無線基礎設施(例如小基站、回傳)
- 測試和測量設備(例如示波器、信號發生器)
- 廣播視頻和音頻設備
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