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Product Overview
The LMK5B33414RGCT is a high-performance clock generator from Texas Instruments, designed to provide ultra-low jitter and phase noise for demanding applications. It features 14 differential outputs and supports frequencies up to 3.3 GHz. The device integrates a fractional-N PLL with advanced jitter cleaning capabilities, making it ideal for 5G infrastructure, data centers, and high-speed networking.
Detailed Technical Specifications
| Parameter |
Value |
| Output Frequency Range |
Up to 3.3 GHz |
| Number of Outputs |
14 differential |
| RMS Jitter (12 kHz – 20 MHz) |
< 100 fs |
| Phase Noise at 100 kHz offset (156.25 MHz) |
-160 dBc/Hz |
| Supply Voltage |
3.3 V / 1.8 V |
| Package |
64-VQFN (9x9 mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Ultra-low jitter (< 100 fs RMS) for high-speed data converters
- Fractional-N PLL with integrated VCO
- 14 differential outputs with programmable output formats (LVDS, LVPECL, HCSL)
- Supports hitless reference switching and holdover
- I2C/SPI interface for configuration
- On-chip non-volatile memory for automatic configuration
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)
- High-speed ADC/DAC clocking (e.g., radar, software-defined radio)
Global Supply Chain & Wholesale Solutions
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LMK5B33414RGCT. Our core advantages include:
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and seals to ensure ESD protection and physical integrity.
產品概述
LMK5B33414RGCT 是德州儀器(TI)推出的一款高性能時鐘發生器,專為需要超低抖動和相位噪聲的應用而設計。它提供14個差分輸出,支持高達3.3 GHz的頻率。該器件集成了分數-N PLL和先進的抖動清除功能,非常適合5G基礎設施、數據中心和高性能網絡應用。
詳細技術參數
| 參數 |
數值 |
| 輸出頻率範圍 |
最高 3.3 GHz |
| 輸出數量 |
14 個差分輸出 |
| RMS 抖動 (12 kHz – 20 MHz) |
< 100 fs |
| 相位噪聲 (100 kHz 偏移, 156.25 MHz) |
-160 dBc/Hz |
| 供電電壓 |
3.3 V / 1.8 V |
| 封裝 |
64-VQFN (9x9 mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 超低抖動(< 100 fs RMS),適用於高速數據轉換器
- 分數-N PLL 集成 VCO
- 14 個差分輸出,可編程輸出格式(LVDS、LVPECL、HCSL)
- 支持無中斷參考切換和保持功能
- I2C/SPI 接口用於配置
- 片上非易失性存儲器,支持自動配置
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)
- 高速 ADC/DAC 時鐘(例如雷達、軟件定義無線電)
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