Fet operational amplifiers texas instruments tl081cd jfet operational amplifier general purpose type single amplifier 4mhz bandwidth 16vus slew rate 3mv input offset voltage 200vmv gain bifet 86db cmrr 6 to 36v supply voltage 18v supply voltage 0 to 70c 8 soic case wide common mode and differential voltage range low input bias and offset current output short circuit protection high input impedance jfet input stage internal frequency compensation latch up free operation