NOPB is a two-channel operational amplifier that is part of the LM358M family of parts manufactured by Texas Instruments. This dual-operational amplifier has a wide range of features that enable it to be used in a variety of applications, including active filters, voltage followers and switching circuits. It has a wide supply voltage range of up to 32V and is rated for bipolar inputs and single-supply operation. Its output can swing both above and below ground, aiding the wide-ranging nature of potential applications. Its features make it especially suited to industrial, consumer and military applications.