The OB2512RNJPA is an advanced piezoelectric buzzer driver integrated circuit (IC) manufactured by On-Bright. This device provides an adjustable sound output from 65 dBA to 90 dBA at 10 cm, and operates from a single 4.5 V power supply. The driver IC includes two power transistors and two voltage regulators which can generate a wide range of sound frequencies. Furthermore, this IC is housed in a RoHS compliant SOP-7-225-1.27 package, making it suitable for use in a variety of electronic applications.