LMK0480x Low-Noise Clock Jitter Cleaner

Texas Instruments LMK0480x Low-Noise Clock Jitter Cleaner is a high-performance clock conditioner that includes superior clock jitter cleaning, generation, and distribution with advanced features to meet next-generation system requirements. The dual loop PLLatinum™ architecture enables 111fs RMS jitter (12kHz to 20MHz) using a low noise VCXO module or sub-200fs RMS jitter (12kHz to 20MHz) using a low-cost external crystal and varactor diode. The dual loop architecture consists of two high-performance phase-locked loops (PLL), a low-noise crystal oscillator circuit, and a high-performance voltage-controlled oscillator (VCO). The first PLL (PLL1) provides a low-noise jitter cleaner function. The while the second PLL (PLL2) performs the clock generation.