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Product Overview
The LMH2191TME/NOPB from Texas Instruments is a high-performance clock buffer designed for low-jitter, high-frequency clock distribution. Housed in a compact 8-DSBGA package, it operates over a wide supply voltage range of 2.5V to 5.5V and supports clock frequencies up to 1.5 GHz. This device provides two differential outputs with very low additive jitter, making it ideal for demanding applications such as 5G base stations, data converters, and high-speed communication systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.5V to 5.5V |
| Input Frequency Range |
DC to 1.5 GHz |
| Output Type |
Differential (LVDS, LVPECL, HSTL) |
| Additive Jitter (RMS, 12 kHz to 20 MHz) |
0.1 ps typical |
| Propagation Delay |
1.5 ns typical |
| Output Skew |
20 ps typical |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
8-DSBGA (1.5mm x 1.5mm) |
Key Features
- Ultra-low additive jitter: 0.1 ps RMS typical
- Wide supply voltage range: 2.5V to 5.5V
- High-frequency support up to 1.5 GHz
- Differential outputs with selectable logic standards
- Small 8-DSBGA package for space-constrained designs
- Low power consumption: 50 mW typical at 3.3V
Target Applications
- 5G base station clock distribution
- High-speed ADC/DAC clocking
- Data center switches and routers
- Automotive radar and infotainment systems
- Test and measurement equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LMH2191TME/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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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
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
LMH2191TME/NOPB 是德州儀器(TI)推出的一款高性能時鐘緩衝器,專為低抖動、高頻率時鐘分配而設計。該器件採用緊湊的 8-DSBGA 封裝,支持 2.5V 至 5.5V 的寬電源電壓範圍,並可處理高達 1.5 GHz 的時鐘頻率。它提供兩個差分輸出,具有極低的附加抖動,非常適合 5G 基站、數據轉換器和高速通信系統等要求苛刻的應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2.5V 至 5.5V |
| 輸入頻率範圍 |
DC 至 1.5 GHz |
| 輸出類型 |
差分 (LVDS, LVPECL, HSTL) |
| 附加抖動 (RMS, 12 kHz 至 20 MHz) |
典型值 0.1 ps |
| 傳播延遲 |
典型值 1.5 ns |
| 輸出偏斜 |
典型值 20 ps |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
8-DSBGA (1.5mm x 1.5mm) |
核心特性
- 超低附加抖動:典型值 0.1 ps RMS
- 寬電源電壓範圍:2.5V 至 5.5V
- 支持高達 1.5 GHz 的高頻率
- 差分輸出,可選邏輯標準
- 小型 8-DSBGA 封裝,節省空間
- 低功耗:3.3V 時典型值 50 mW
典型應用場景
- 5G 基站時鐘分配
- 高速 ADC/DAC 時鐘
- 數據中心交換機和路由器
- 汽車雷達和信息娛樂系統
- 測試與測量設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LMH2191TME/NOPB 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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