CDCE62002
具有集成雙路 VCO 的 4 路輸出時鐘發(fā)生器/抖動消除器
制造商:TI
產(chǎn)品信息
描述The CDCE62002 device is a high-performance clock generator featuring low output jitter, a high degree of configurability through a SPI interface, and programmable start-up modes determined by on-chip EEPROM. Specifically tailored for clocking data converters and high-speed digital signals, the CDCE62002 achieves jitter performance under 0.5 ps RMS(1). It incorporates a synthesizer block with partially integrated loop filter, a clock distribution block including programmable output formats, and an input block featuring an innovative smart multiplexer. The clock distribution block includes two individually programmable outputs that can be configured to provide different combinations of output formats (LVPECL, LVDS, LVCMOS). Each output can also be programmed to a unique output frequency (ranging from 10.94 MHz to 1.175 GHz(2)). If Both outputs are configured in single-ended mode (such as LVCMOS), the CDCE62002 supports up to four outputs. The input block includes one universal differential inputs which support frequencies up to 500 MHz and an auxiliary input that can be configured to connect to an external AT-Cut crystal through an onboard oscillator block. The smart input multiplexer has two modes of operation, manual and automatic. In manual mode, the user selects the synthesizer reference through the SPI interface. In automatic mode, the input multiplexer will automatically select between the highest priority input clock available.(1) 10-kHz to 20-MHz integration bandwidth. (2) Frequency range depends on operational mode and output format selected.特性Frequency Synthesizer With PLL/VCO and Partially Integrated Loop FilterFully Configurable Outputs Including Frequency and Output FormatSmart Input Multiplexer Automatically Switches Between One of Two Reference InputsMultiple Operational Modes Include Clock Generation Through Crystal, SERDES Start-Up Mode, Jitter Cleaning, and Oscillator Based Holdover ModeIntegrated EEPROM Determines Device Configuration at Power UpExcellent Jitter PerformanceIntegrated Frequency Synthesizer Including PLL, Multiple VCOs, and Loop Filter: Full Programmability Facilitates Phase Noise Performance Optimization Enabling Jitter Cleaner ModeProgrammable Charge Pump Gain and Loop Filter SettingsUnique Dual-VCO Architecture Supports a Wide Tuning Range 1.750 GHz to 2.356 GHz.Universal Output Blocks Support Up to 2 Differential, 4 Single-Ended, or Combinations of Differential or Single-Ended: 0.5 ps RMS (10 kHz to 20 MHz) Output Jitter PerformanceLow Output Phase Noise: –130 dBc/Hz at 1?MHz Offset, Fc = 491.52 MHz Output Frequency Ranges From 10.94 MHz to 1.175 GHz in Synthesizer ModeLVPECL, LVDS, and LVCMOSIndependent Output Dividers Support Divide Ratios for 1, 2, 3, 4, 5, 8, 10, 12, 16, 20, 24, and 32Flexible Inputs With Innovative Smart Multiplexer: Two Universal Differential Inputs Accept Frequencies from 1 MHz up to 500 MHz (LVPECL), 500 MHz (LVDS), or 250 MHz (LVCMOS)One Auxiliary Input Accepts Crystals in the Range of 2 MHz to 42 MHzClock Generator Mode Using Crystal InputSmart Input Multiplexer Can be Configured to Automatically Switch Between Highest Priority Clock Source Available Allowing for Fail-Safe Operation Typical Power Consumption 750 mW at 3.3 VIntegrated EEPROM Stores Default Settings; Therefore, the Device Can Power Up in a Known, Predefined StateOffered in QFN-32 PackageESD Protection Exceeds 2000 V HBMIndustrial Temperature Range: –40°C to +85°CAPPLICATIONSData Converter and Data Aggregation ClockingWireless InfrastructureSwitches and RoutersMedical ElectronicsMilitary and AerospaceIndustrialClock Generation and Jitter Cleaning All other trademarks are the property of their respective owners
電路圖、引腳圖和封裝圖
在線購買
電源IC U5402的典型應(yīng)用和主要特點電源ic U5402通過硬件電路實現(xiàn)雙通道輸入的信號互鎖,確保高低側(cè)驅(qū)動信號無法同時導(dǎo)通,避免功率器件(如MOSFET/IGBT)因直通電流導(dǎo)致短路損壞。U5402具有完善保護功能,包括:輸入浮空或輸入脈沖寬度不足時,輸出保持低電平。內(nèi)置互鎖和死區(qū)保護功能,可防止高低側(cè)驅(qū)動同時打開,同時具有高側(cè)和低側(cè) UVLO 保護,系統(tǒng)可靠強。
2025-03-29
2023-04-08
海微科技獲評“2023年湖北省制造業(yè)單項冠軍企業(yè)”2024年4月3日,湖北省經(jīng)濟和信息化廳發(fā)布《關(guān)于2023年度湖北省制造業(yè)單項冠軍企業(yè)名單的公示》,海微獲評“2023年湖北省制造業(yè)單項冠軍企業(yè)”。 ? ? ? 制造業(yè)單項冠軍企業(yè)是指長期專注于制造業(yè)特定細(xì)分產(chǎn)品市場、生產(chǎn)技術(shù)或工藝先進(jìn)、單項產(chǎn)品市場占有率位居全國前列的企業(yè)。該獎項也被譽為制造業(yè)“皇冠上的明珠”、“金字塔的頂尖”,代表著制造業(yè)細(xì)分領(lǐng)域最高發(fā)展水平、最強市場實力,是制造業(yè)優(yōu)質(zhì)企業(yè)的典型代表。 ? 海微此次成功入選單
2024-04-05
2024-09-05
一種更好的 BLDC 電機通信方法作者:Jeff Smoot 是 CUI Devices 應(yīng)用工程和運動控制部門副總裁 無刷直流 (BLDC) 電機是一種采用直流電源并通過外部電機控制器控制實現(xiàn)電子換向的電機。不同于有刷電機,BLDC 依靠外部控制器實現(xiàn)換向,也就是在電機相上切換電流以產(chǎn)生運動的過程。有刷電機具有實際的電刷,其每旋轉(zhuǎn)一圈可實現(xiàn)兩次換向過程,而 BLDC 電機則無電刷。由于自身的設(shè)計特性,無刷電機能夠?qū)崿F(xiàn)任意數(shù)量的換向磁極對。本文將回顧 BLDC 電機的基礎(chǔ)知識,探討其常見換向方法并
2024-02-14
簡單認(rèn)識二極管二極管是一種電子器件,具有單向?qū)щ娦浴K袃蓚€電極,正極和負(fù)極,當(dāng)在兩極間加上正向電壓時,二極管導(dǎo)通;加上反向電壓時,二極管截止。二極管是由半導(dǎo)體材料制成的,其導(dǎo)電性能介于導(dǎo)體和絕緣體之間。在電子電路中,二極管可以用作整流、檢波、限幅、鉗位等。
2024-01-04
2023-02-09
指尖上的超構(gòu)透鏡光譜儀和微納光纖錐光譜儀在“Compact multi-foci metens spectrometer”論文中,英國赫瑞瓦特大學(xué)陳獻(xiàn)忠教授團隊提出了一種可以聚焦多波長光的多焦點超構(gòu)透鏡,如圖1左側(cè)所示。多焦點超構(gòu)透鏡通常具有小平面結(jié)構(gòu),可以將不同顏色的光同時聚焦到多個焦點上,從而實現(xiàn)單鏡頭光譜探測和成像。
2023-07-29