Click to expand full text
m Preliminary PLL620-80 o c Low Phase .Noise XO (for 27-65MHz Fund. Or 3 O.T. Crystals) U 4 t e FEATURES DIE CONFIGURATION e h S Fundamental or 3 overtone • 27MHz to 65MHz Crystal. ta • Outputa – 65MHz (no PLL). D range: 27MHz • Complementary outputs: CMOS, PECL or LVDS. . • w Selectable OE Logic (enable high or enable low). •w Integrated variable capacitors. w• Supports 3.3V-Power Supply.
rd
rd
65 mil (1550,1475)
25 24 22 21 19 18 17 26 16 27 15 28 14
• •
Available in die form. Thickness 10 mil.
DESCRIPTIONS
PLL620-80 is an XO IC specifically designed to work with crystals between 27MHz and 65MHz. It accepts fundamental crystals, and also 3 rd overtone crystals (requires external resistor). It achieves very low current into the crystal resulting in better overall stability.