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Frequency synthesis programmable XO VCXO clock generator SKYWORKS 598BCA002446DG with DSPLL circuitry

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Frequency synthesis programmable XO VCXO clock generator SKYWORKS 598BCA002446DG with DSPLL circuitry

Description : Oscillators RoHS

Mfr. Part # : 598BCA002446DG

Model Number : 598BCA002446DG

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Skyworks Solutions Si598/Si599 Programmable XO/VCXO

Product Overview
The Skyworks Si598 XO and Si599 VCXO are advanced clock generators utilizing proprietary DSPLL circuitry to deliver low-jitter clock signals at any frequency between 10 and 810 MHz with an exceptional 28 parts per trillion (ppt) resolution. These devices are user-programmable via a 2-pin I2C compatible serial interface, enabling dynamic frequency adjustments and multi-rate operation. The integrated crystal ensures stable, low-jitter frequency synthesis, making them ideal replacements for multiple XOs, clock generators, and DAC-controlled VCXOs. The Si599 offers voltage-controlled tuning for phase-locked loop applications, while the Si598 is digitally pullable for digital PLL applications. They are suitable for demanding applications such as SONET/SDH/xDSL, Ethernet/Fibre Channel, 3G/HD SDI, multi-rate PLLs, frequency margining, and agile RF local oscillators.

Product Attributes

  • Brand: Skyworks Solutions, Inc.
  • Technology: DSPLL circuitry
  • Package: Industry-standard 5x7 mm
  • Compliance: RoHS compliant
  • Environmental: Meets MIL-STD-883 qualification test requirements for Mechanical Shock, Mechanical Vibration, Solderability, Gross & Fine Leak, Resistance to Solder Heat. Moisture Sensitivity Level: J-STD-020, MSL1.

Technical Specifications

Parameter Model Min Typ Max Units
Programmable Frequency Range LVPECL/LVDS/CML 10 - 810 MHz
Programmable Frequency Range CMOS 10 - 160 MHz
Frequency Resolution - - 28 - ppt
Phase Jitter (RMS Random) LVPECL/LVDS/CML (12 kHz20 MHz) - 0.5 - ps
Phase Jitter (RMS Random) CMOS 3.3 V (12 kHz20 MHz) - 0.6 - ps
Power Supply Rejection (Additive Jitter) LVPECL, 100 mVp-p @ 100 kHz - 0.32 - ps
Supply Voltage 1.8 V Option 1.71 1.8 1.89 V
Supply Voltage 2.5 V Option 2.25 2.5 2.75 V
Supply Voltage 3.3 V Option 2.97 3.3 3.63 V
Supply Current LVPECL - - 130 mA
Supply Current CMOS - - 100 mA
Output Enable (OE) VIH - 0.75 x VDD - - V
Output Enable (OE) VIL - - - 0.5 V
Operating Temperature Range - -40 - 85 C
Power-up Time (tOSC) - - - 10 ms
VC Control Voltage Tuning Slope (KV) Typ. values - 45 to 380 - ppm/V
VC Control Voltage Linearity (LVC) - -5 1 +5 %
VC Modulation Bandwidth (BW) - 9.3 10.0 10.7 kHz
I2C Interface Speed Fast Mode - - 400 kbps
Output Dividers (HS_DIV) - - (4, 5, 6, 7, 9, 11) - -
Output Dividers (N1) - - (1, 2, 4, ..., 128) - -
Total Stability (Si598) 20 ppm Temp Stability - - 30 ppm
Total Stability (Si598) 50 ppm Temp Stability - - 100 ppm
Temperature Stability (Si599) -40 to +85 C -20 - +20 ppm
Absolute Pull Range (Si599) - 10 - 370 ppm

2412231819_SKYWORKS-598BCA002446DG_C22248159.pdf
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