Fet operational amplifiers national semiconductor lf444cn jfet operational amplifier low power type quad amplifiers 1mhz bandwidth 1vus slew rate 3mv input offset voltage 100vmv gain jfet input 95db cmrr 18v supply voltage 0 to 70c 14 dip case low input bias current high gain bandwidth high slew rate low noise voltage for low power low input noise current high input impedance high gain used wherever low power dissipation and good electrical characteristics are the major