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RC38312A200GBB is an ultra-low phase noise radio synchronizer, multi-frequency clock synthesizer, and digitally controlled oscillator (DCO). It delivers exceptional performance for 5G radio units (RU), distribution units (DU), and network switches and routers. Its capability to output clocks with ultra-low in-band phase noise and significantly reduced spurious levels enhances the reliability and efficiency of 4G and 5G RF transceivers.

Feature of RC38312A200GBB

Ultra-low phase noise synthesizer: Jitter below 18fs RMS from 12kHz to 20MHz with a 4MHz high pass filter (HPF)

Independent synchronization domains: Three independent low phase noise synchronization domains

Frequency domains: Four independent low phase noise frequency domains

Protocol support: Compatible with JESD204B/C standards

Time synchronization features: Equipped with a time-to-digital converter (TDC), time of day (TOD) counter, and precision time protocol (PTP) clocks

Clock outputs: 12 clock outputs with independent integer dividers

Four differential or single-ended clock inputs

Operates from a 1.8V supply.

Clock inputs tolerate 1.8V input when the device is powered off, sinking less than 1mA

CLKIN input frequency range: DC to 1GHz

Time Sync TDC supports 1PPS and PP2S inputs

DPLLs comply with ITU-T G.8262 and G.8262.1

DPLL input-to-output phase variation ≤ 100ps

DCO frequency resolution < 10-13

Package: 9 × 9 mm, 100-BGA

Applications of RC38312A200GBB

5G radio units (RU)

5G distribution units (DU), switches, and routers

Reference clock for 112Gbps and 224Gbps SerDes

High-performance DCO for Precision Time Protocol (PTP) based clocks

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