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Product Overview
The 32P4101A-CGE from Texas Instruments is a high-performance clock generator designed for demanding applications requiring low jitter and multiple output frequencies. It integrates a fractional-N PLL with a voltage-controlled oscillator (VCO) to generate up to 10 differential or 20 single-ended clock outputs from a single reference input. The device operates from a 1.8V core supply and supports output frequencies up to 1 GHz. Its advanced jitter cleaning capabilities make it ideal for communications infrastructure, data centers, and industrial systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage |
1.8V ± 5% |
| Number of Outputs |
10 differential / 20 single-ended |
| Output Frequency Range |
Up to 1 GHz |
| RMS Jitter (12 kHz–20 MHz) |
< 0.2 ps |
| Phase Noise at 100 kHz offset (156.25 MHz) |
-152 dBc/Hz |
| PLL Loop Bandwidth |
Programmable: 100 kHz to 1 MHz |
| Reference Input Frequency |
10 MHz to 200 MHz |
| Output Logic Types |
LVDS, LVPECL, HCSL, LVCMOS |
| Package |
64-pin QFN (9x9 mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Ultra-low jitter: < 0.2 ps RMS (12 kHz–20 MHz)
- Fractional-N PLL with fine frequency resolution
- 10 differential outputs with independent dividers
- Supports hitless reference switching with holdover
- I2C/SPI programmable with EEPROM for configuration storage
- Built-in jitter cleaning and frequency translation
- Low power consumption: 1.2 W typical
Target Applications
- 5G base stations (e.g., clock distribution for massive MIMO)
- Data center switches and routers (e.g., 400G Ethernet timing)
- Wireless infrastructure (e.g., small cell backhaul)
- Test and measurement equipment (e.g., arbitrary waveform generators)
- Industrial automation (e.g., high-speed ADC clocking)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
32P4101A-CGE. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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orders confirmed before 4 PM are shipped the same day.
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transactions, ensuring peace of mind for batch orders.
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testing samples and urgent shortage components.
Quality Assurance & Compliance
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with full quality assurance and traceability.
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be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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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
32P4101A-CGE 是德州儀器(TI)推出的一款高性能時鐘發生器,專為需要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 和壓控振盪器(VCO),可從單個參考輸入生成多達 10 個差分或 20 個單端時鐘輸出。該器件在 1.8V 核心電源下工作,支持高達 1 GHz 的輸出頻率。其先進的抖動清除能力使其非常適合通信基礎設施、數據中心和工業系統。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 |
1.8V ± 5% |
| 輸出數量 |
10 差分 / 20 單端 |
| 輸出頻率範圍 |
最高 1 GHz |
| RMS 抖動(12 kHz–20 MHz) |
< 0.2 ps |
| 相位噪聲(156.25 MHz,100 kHz 偏移) |
-152 dBc/Hz |
| PLL 環路帶寬 |
可編程:100 kHz 至 1 MHz |
| 參考輸入頻率 |
10 MHz 至 200 MHz |
| 輸出邏輯類型 |
LVDS、LVPECL、HCSL、LVCMOS |
| 封裝 |
64 引腳 QFN(9x9 mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 超低抖動:< 0.2 ps RMS(12 kHz–20 MHz)
- 分數-N PLL,具有精細頻率分辨率
- 10 個差分輸出,帶獨立分頻器
- 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
- 內置抖動清除和頻率轉換
- 低功耗:典型值 1.2 W
典型應用場景
- 5G 基站(例如,大規模 MIMO 的時鐘分配)
- 數據中心交換機和路由器(例如,400G 以太網定時)
- 無線基礎設施(例如,小基站回傳)
- 測試和測量設備(例如,任意波形發生器)
- 工業自動化(例如,高速 ADC 時鐘)
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