Op Amp: THS4524 The Texas Instruments THS4524 low-power, fully differential op amp features rail-to-rail output and an input common-mode range that includes the negative rail. The TI THS4524 amplifier is designed for low-power data acquisition systems and high-density applications where power dissipation is a critical parameter.This TI op amp features accurate output common-mode control that allows DC-coupling when driving ADCs.