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SG2520VGN SG2520EGN SG2520VHN差分晶振讓光模塊信號“穩如磐石”
  • 文章出處：http://m.shangyingkeji.cn/
  • 責任編輯：加科電子
  • 人氣：98
  • 發(fā)表時(shí)間：2025-11-24

在5G數據中心和云計算的驅動(dòng)下,400G/800G光模塊已成為高速通信的核心組件而作為光模塊的“心臟”時(shí)鐘源其性能直接決定了數據傳輸的穩定性與效率,日本愛(ài)普生晶振（EPSON）推出的SG2520VHN系列LVDS差分晶振（型號X1G005941001015）憑借156.25MHz高頻,±20ppm精度,38fs超低相位抖動(dòng)等特性成為400G光模塊時(shí)鐘方案的理想選擇助力光通信設備實(shí)現“零誤差”傳輸,SG2520VHN覆蓋25MHz至500MHz頻率范圍,支持156.25MHz晶振（400G光模塊標準頻點(diǎn)）及312.5MHz晶振（800G光模塊備選頻點(diǎn)）總頻偏僅±20ppm這一精度可確保光模塊在長(cháng)距離傳輸中維持時(shí)鐘同步避免數據丟包或誤碼。

料號型號頻率輸出電壓工作溫度精度
X1G005881000515SG2520EGN156.25MHzLV-PECL3.135 to 3.465V-40°C ~ 105°C50PPM
X1G005881000115SG2520EGN156.25MHzLV-PECL3.135 to 3.465V-40°C ~ 85°C50PPM
X1G005881000215SG2520EGN156.25MHzLV-PECL3.135 to 3.465V-40°C ~ 85°C25PPM
X1G005881000315SG2520EGN156.25MHzLV-PECL2.375 to 2.625V-40°C ~ 85°C50PPM
SG2520EGN 156.25MHz CJGPZASG2520EGN156.25MHzLV-PECL3.135 to 3.465V-40°C ~ 85°C50PPM
SG2520EGN 156.25MHz CDGPZASG2520EGN156.25MHzLV-PECL3.135 to 3.465V-40°C ~ 85°C25PPM
SG2520EGN 156.25MHz DJGPZASG2520EGN156.25MHzLV-PECL2.375 to 2.625V-40°C ~ 85°C
X1G005921000115SG2520EHN156.25MHzLV-PECL3.135 to 3.465V-40°C ~ 85°C20PPM
SG2520EHN 156.25MHz CCHPZASG2520EHN156.25MHzLV-PECL3.13 to 3.46V-40°C ~ 85°C20PPM
X1G005901000415SG2520VGN156.25MHzLVDS3.135 to 3.465V-40°C ~ 105°C50PPM
X1G005901000715SG2520VGN156.25MHzLVDS1.71 to 1.89V-40°C ~ 105°C50PPM
X1G005901000815SG2520VGN156.25MHzLVDS2.375 to 2.625V-40°C ~ 105°C50PPM
X1G005901000115SG2520VGN156.25MHzLVDS3.135 to 3.465V-40°C ~ 85°C50PPM
X1G005901000215SG2520VGN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C50PPM
X1G005901000315SG2520VGN156.25MHzLVDS2.375 to 2.625V-40°C ~ 85°C50PPM
X1G005901000615SG2520VGN156.25MHzLVDS2.375 to 2.625V-40°C ~ 85°C50PPM
SG2520VGN 156.25MHz CJGPZASG2520VGN156.25MHzLVDS3.135 to 3.465V-40°C ~ 85°C50PPM
SG2520VGN 156.25MHz EJGPZASG2520VGN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C50PPM
X1G005901000311SG2520VGN156.25MHzLVDS2.375 to 2.625 V-40°C ~ 85°C50PPM
X1G005901000100SG2520VGN156.25MHzLVDS3.135 to 3.465 V-40°C ~ 85°C50PPM
X1G005901000114SG2520VGN156.25MHzLVDS3.135 to 3.465 V-40°C ~ 85°C50PPM
X1G005901000811SG2520VGN156.25MHzLVDS2.375 to 2.625 V-40°C ~ 105°C50PPM
X1G005901000711SG2520VGN156.25MHzLVDS1.710 to 1.890 V-40°C ~ 105°C50PPM
X1G005901000611SG2520VGN156.25MHzLVDS2.375 to 2.625 V-40°C ~ 85°C50PPM
X1G005901000411SG2520VGN156.25MHzLVDS3.135 to 3.465 V-40°C ~ 105°C50PPM
X1G005901000211SG2520VGN156.25MHzLVDS1.710 to 1.890 V-40°C ~ 85°C50PPM
SG2520VGN 156.250000MHz DJGPZASG2520VGN156.25MHzLVDS2.375 to 2.625 V-40°C ~ 85°C50PPM
X1G005941000315SG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 105°C20PPM
X1G005941000515SG2520VHN156.25MHzLVDS3.135 to 3.465V-40°C ~ 105°C20PPM
X1G005941000915SG2520VHN156.25MHzLVDS2.375 to 2.625V-40°C ~ 105°C20PPM
SG2520VHN 156.25MHz ECHPZASG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 105°C20PPM
SG2520VHN 156.25MHz CCHPZASG2520VHN156.25MHzLVDS3.135 to 3.465V-40°C ~ 105°C20PPM
X1G005941000615SG2520VHN155.52MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM
X1G005941000115SG2520VHN156.25MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM
X1G005941000215SG2520VHN156.25MHzLVDS2.375 to 2.625V-40°C ~ 85°C20PPM
X1G005941000415SG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C20PPM
X1G005941000715SG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C20PPM
X1G005941001015SG2520VHN156.25MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM
X1G005941001115SG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C20PPM
X1G005941000815SG2520VHN174.73MHzLVDS2.375 to 2.625V-40°C ~ 85°C20PPM
X1G005941060315SG2520VHN400MHzLVDS2.97 to 3.465V-40°C ~ 85°C20PPM
X1G005941060415SG2520VHN400MHzLVDS2.97 to 3.465V-40°C ~ 85°C20PPM
X1G005941060515SG2520VHN467.529297MHzLVDS1.71 to 1.89V-40°C ~ 85°C20PPM
SG2520VHN 156.25MHz CCGPZASG2520VHN156.25MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM
SG2520VHN 156.25MHz DCGPZASG2520VHN156.25MHzLVDS2.375 to 2.625V-40°C ~ 85°C20PPM
SG2520VHN 156.25MHz ECGPZASG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C20PPM
SG2520VHN 391.770000MHz CCGSZASG2520VHN391.77MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM
SG2520VHN 391.770000MHz CCGPZASG2520VHN391.77MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM
SG2520VHN 156.250000MHz CCGPZASG2520VHN156.25MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM
SG2520VHN 156.250000MHz DCGPZASG2520VHN156.25MHzLVDS2.375 to 2.625V-40°C ~ 85°C20PPM
SG2520VHN 156.250000MHz ECHPZASG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C20PPM
SG2520VHN 156.250000MHz ECGPZASG2520VHN156.25MHzLVDS1.71 to 1.89V-40°C ~ 85°C20PPM
SG2520VHN 156.250000MHz CCHPZASG2520VHN156.25MHzLVDS3.135 to 3.465V-40°C ~ 85°C20PPM

在156.25MHz工作頻率下,SG2520VHN的相位抖動(dòng)低至38飛秒（fs）,僅為行業(yè)平均水平的1/3,低抖動(dòng)特性顯著(zhù)提升光模塊的信號完整性減少眼圖閉合使高速信號在長(cháng)距離傳輸中仍保持清晰誤碼率（BER）降低至10?12以下,振蕩啟動(dòng)時(shí)間僅0.35ns,支持光模塊在極短時(shí)間內完成時(shí)鐘鎖定滿(mǎn)足數據中心對低延遲的嚴苛需求同時(shí)年老化率低于±1ppm/年,確保光模塊在10年生命周期內時(shí)鐘精度持續穩定,SG2520VHN采用2.5×2.0×0.74mm超小封裝緊湊型設計體積僅為傳統晶振的1/3可輕松集成于光模塊的狹小空間內為PCB布局留出更多余量?jì)?yōu)化散熱與信號走線(xiàn),SG2520VHN工作溫度 -40°C至+85°C寬溫工作針對數據中心機柜內高溫環(huán)境（如45°C以上持續運行）。

SG2520VHN可在-40°C至+85°C范圍內穩定工作（可選-40°C至+105°C擴展溫域）,避免因溫度波動(dòng)導致的時(shí)鐘偏移或停振,在312.5MHz頻率下工作電流僅28mA配合LVDS差分輸出（支持800-1600mV擺幅）,無(wú)需外圍下拉電阻進(jìn)一步降低系統功耗高擺幅設計可增強信號驅動(dòng)能力提升光模塊與CPU,DSP等芯片的兼容性,此外EPSON晶振愛(ài)普生SG2520VHN晶振以高頻,低抖動(dòng),小尺寸,寬溫域四大核心優(yōu)勢為400G/800G光模塊提供了“零妥協(xié)”的時(shí)鐘解決方案,助力數據中心,5G基站等基礎設施實(shí)現高效可靠的數據傳輸。

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