The TSV6390,TSV6390A,TSV6391,TSV6391A are low voltage, low power operational amplifiers from TI, with a gain bandwidth of 2.4MHz, which can operate in the supply voltage range of 1.5V-5.5V, with an output current of up to 63mA and an input bias current of 1pA, suitable for battery powered devices, portable devices, signal conditioning, active filtering and other applications.