The LT®1638 is a low p wer dual rail-to-rail input and output operational amplifier available in the standard 8-pin PDIP.
LT1639CS Analog Devices Precision Amplifiers LT1639 - 1.2MHz, 0.4V/us Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps datasheet, inventory, ...
$11.78
LT1639CS#TRPBF ; Number of Circuits. 4 ; Output Type. Rail-to-Rail ; Slew Rate. 0.4V/µs ; Gain Bandwidth Product. 1.2 MHz ; Current - Input Bias. 20 nA.