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Product Overview
The LMK5C33414ARGCTS1 from Texas Instruments is a high-performance clock generator designed for demanding applications requiring ultra-low jitter and multiple output frequencies. It integrates a fractional-N PLL with a VCO and provides up to 14 differential or LVCMOS outputs. The device operates from a single 3.3V supply and is housed in a compact 64-VQFN (9x9 mm) package.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Outputs |
14 (up to 8 differential pairs) |
| Output Frequency Range |
Up to 1.5 GHz (differential), up to 250 MHz (LVCMOS) |
| RMS Jitter (12 kHz to 20 MHz) |
<100 fs |
| PLL Phase Noise at 100 kHz offset |
-160 dBc/Hz (typical) |
| Supply Voltage |
3.3V ± 5% |
| Package |
64-VQFN (9x9 mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Ultra-low jitter: <100 fs RMS (12 kHz to 20 MHz)
- Fractional-N PLL with integrated VCO
- 14 outputs configurable as differential (LVPECL, LVDS, HCSL) or LVCMOS
- Supports hitless reference switching and holdover
- I2C/SPI programmable
- Small footprint: 64-VQFN (9x9 mm)
Target Applications
- 5G base stations (e.g., Massive MIMO, remote radio units)
- Data center switches and routers (e.g., 400G Ethernet)
- Test and measurement equipment (e.g., oscilloscopes, signal generators)
- Medical imaging systems (e.g., CT scanners, MRI)
- Automotive radar and ADAS (e.g., infotainment, dashboard clusters)
Global Supply Chain & Wholesale Solutions
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LMK5C33414ARGCTS1 是德州儀器(TI)推出的一款高性能時鐘生成器,專為需要超低抖動和多輸出頻率的苛刻應用而設計。它集成了分數-N PLL 和 VCO,提供多達 14 個差分或 LVCMOS 輸出。該器件由單一 3.3V 電源供電,封裝在緊湊的 64-VQFN(9x9 mm)中。
詳細技術參數
| 參數 |
數值 |
| 輸出數量 |
14(最多 8 對差分) |
| 輸出頻率範圍 |
最高 1.5 GHz(差分),最高 250 MHz(LVCMOS) |
| RMS 抖動(12 kHz 至 20 MHz) |
<100 fs |
| PLL 相位噪聲(100 kHz 偏移) |
-160 dBc/Hz(典型值) |
| 供電電壓 |
3.3V ± 5% |
| 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(12 kHz 至 20 MHz)
- 分數-N PLL 集成 VCO
- 14 個輸出可配置為差分(LVPECL、LVDS、HCSL)或 LVCMOS
- 支持無中斷參考切換和保持
- I2C/SPI 可編程
- 小尺寸:64-VQFN(9x9 mm)
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)
- 測試和測量設備(例如示波器、信號發生器)
- 醫療成像系統(例如 CT 掃描儀、MRI)
- 汽車雷達和 ADAS(例如信息娛樂系統、儀表盤集群)
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