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CS2600
Fractional-N Clock Synthesizer and Multiplier
Features
• Clock frequency synthesizer incorporating delta-sigma fractional-N analog PLL — Generates low-jitter 6–75 MHz clock (CLK_OUT) from 8–75 MHz timing reference (REF_CLK_IN)
• Fractional clock multiplier and jitter reduction using hybrid analog/digital PLL — Generates low-jitter 6–75 MHz clock (CLK_OUT), synchronized to a 50 Hz–30 MHz low-quality or intermittent frequency reference (CLK_IN)
• Flexible timing reference source — External clock, external crystal, or built-in oscillator
• High resolution PLL ratio (1 PPM)
• Automatic rate control (ARC) for digital audio applications — Seamless transitions through changes in CLK_IN frequency reference
• Customer-programmable startup configuration, using integrated one-time programma