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Product Overview
The LMK04803BISQ/NOPB is a high-performance clock jitter cleaner and synthesizer from Texas Instruments, designed to provide ultra-low jitter clock generation and distribution for demanding applications. It integrates dual phase-locked loops (PLLs) with voltage-controlled oscillators (VCOs) and a flexible clock distribution network. The device supports multiple input references and provides up to 12 differential or 24 single-ended clock outputs. Housed in a compact 64-pin WQFN (9x9 mm) package, it is ideal for systems requiring precise timing, such as wireless infrastructure, data converters, and high-speed digital designs.
Detailed Technical Specifications
| Parameter |
Value |
| Number of PLLs |
2 |
| VCO Frequency Range |
2.5 GHz to 3.0 GHz |
| RMS Jitter (12 kHz to 20 MHz) |
≤ 100 fs |
| Output Frequency Range |
Up to 3.0 GHz |
| Number of Outputs |
12 differential or 24 single-ended |
| Supply Voltage |
3.15 V to 3.45 V |
| Operating Temperature |
-40°C to +85°C |
| Package |
64-WQFN (9x9 mm) |
Key Features
- Ultra-low RMS jitter: ≤ 100 fs (12 kHz to 20 MHz)
- Dual PLL architecture with integrated VCO
- Flexible clock distribution with up to 12 differential outputs
- Supports multiple input reference frequencies
- Programmable output formats: LVDS, LVPECL, HSTL, and CMOS
- On-chip loop filter for reduced external component count
- SPI interface for configuration
Target Applications
- 5G base stations (e.g., massive MIMO, remote radio units)
- Wireless infrastructure (e.g., small cells, backhaul)
- Data converters (e.g., ADC/DAC clocking for radar, instrumentation)
- High-speed digital systems (e.g., FPGA, ASIC clocking)
- Test and measurement equipment
- Broadcast video and medical imaging
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LMK04803BISQ/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
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
LMK04803BISQ/NOPB 是德州儀器(TI)推出的一款高性能時鐘抖動淨化器與合成器,專為需要超低抖動時鐘生成與分配的應用而設計。該器件集成了雙鎖相環(PLL)與壓控振盪器(VCO),並提供靈活的時鐘分配網絡。它支持多種輸入參考,並可提供多達12路差分或24路單端時鐘輸出。採用緊湊的64引腳WQFN(9x9 mm)封裝,非常適合需要精確時序的系統,如無線基礎設施、數據轉換器和高速數字設計。
詳細技術參數
| 參數 |
數值 |
| PLL 數量 |
2 |
| VCO 頻率範圍 |
2.5 GHz 至 3.0 GHz |
| RMS 抖動(12 kHz 至 20 MHz) |
≤ 100 fs |
| 輸出頻率範圍 |
最高 3.0 GHz |
| 輸出數量 |
12 路差分或 24 路單端 |
| 供電電壓 |
3.15 V 至 3.45 V |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
64-WQFN(9x9 mm) |
核心特性
- 超低 RMS 抖動:≤ 100 fs(12 kHz 至 20 MHz)
- 雙 PLL 架構,集成 VCO
- 靈活的時鐘分配,最多 12 路差分輸出
- 支持多種輸入參考頻率
- 可編程輸出格式:LVDS、LVPECL、HSTL 和 CMOS
- 片上環路濾波器,減少外部元件數量
- SPI 接口用於配置
典型應用場景
- 5G 基站(例如大規模 MIMO、遠程射頻單元)
- 無線基礎設施(例如小基站、回傳)
- 數據轉換器(例如雷達、儀器儀表中的 ADC/DAC 時鐘)
- 高速數字系統(例如 FPGA、ASIC 時鐘)
- 測試與測量設備
- 廣播視頻和醫學成像
環球供應鏈與批發合作夥伴方案
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