A Fractional-N Digital PLL with a Supply-Insensitive DTC Achieving -62dBc Spur and 69fs Jitter Under 10mVpp Sinusoidal DTC Supply Ripple and 6.2mVrms DTC Supply Noise. - Damiano Fagotti; Riccardo Moleri; Michele Rossoni; Daniele Lodi Rizzini; Pietro Salvi; Stefano Gallucci; Giovanni Rocco Trotta; Andrea Leonardo Lacaita; Simone Mattia Dartizio; Salvatore Levantino (ISSCC, 2026)