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特性

  • Two 3.3V LVPECL outputs
  • Selectable crystal oscillator interface or LVCMOS single-ended input
  • Supports the following input frequencies:
    156.25MHz, 125MHz and 62.5MHz
  • VCO range: 560MHz - 680MHz
  • RMS phase jitter @ 156.25MHz, using a 25MHz crystal (1.875MHz-20MHz): 0.54ps (typical)
  • Typical phase noise at 156.25MHz
    Phase noise:
    Offset                  Noise Power
    100Hz ............... -97.3 dBc/Hz
    1KHz ..............-119.1 dBc/Hz
    10KHz ..............-126.4 dBc/Hz
    100KHz ..............-127.6 dBc/Hz
  • Full 3.3V supply mode
  • Lead-Free package fully RoHS compliant
  • -30°C to 85°C ambient operating temperature

描述

The 843002-01 is a 2 output LVPECL synthesizer optimized to generate Ethernet reference clock frequencies. Using a 25MHz 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL[1:0]): 156.25MHz, 125MHz, and 62.5MHz. The 843002-01 uses our 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Ethernet jitter requirements. The 843002-01 is packaged in a small 20-pin TSSOP package.

Part NumberStatusSamplesStockPackageLead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Qty. per Reel (#)Qty. per Carrier (#)Pb (Lead) FreePb Free CategoryTemp. Range (°C)
843002AG-01LFObsoleteN/AIn StockTSSOP20#Tube1074#Yese3 Sn0 to 70°C
843002AG-01LFTObsoleteN/AIn StockTSSOP20#Reel13000#0Yese3 Sn0 to 70°C
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