The ULQ2003D1013TR is an integrated circuit (IC) made by STMicroelectronics. It is a low-power dual operational amplifier with rail-to-rail inputs and outputs, making it suitable for use when high-performance audio amplification or signal conditioning is needed with low-voltage supply. The ULQ2003D1013TR has a wide power supply range of 3 V to 12 V, making it suitable for a variety of applications. The device has a typical input voltage noise level of 1.5 µV and a maximum output current of 5 mA, making it well-suited for consumer and portable electronics with very low power consumption. It features low offset voltage, fast slew rate, high common-mode rejection ratio, and low distortion.