Fet operational amplifiers national semiconductor lf442cn jfet operational amplifier low power type dual amplifiers 1mhz bandwidth 1vus slew rate 1mv input offset voltage 200vmv gain jfet input 95db cmrr 18v supply voltage 0 to 70c 8 dip case low input bias current low input offset voltage low input offset voltage drift high gain bandwidth high slew rate low noise voltage for low power low input noise current high input impedance used where low power dissipation and go