The APA2031RI-TRG is an Audio Power OpAmp manufactured by Anpec, encapsulated in a TSSOP-20P and is RoHS compliant. It is an integrated circuit (IC) specifically designed to amplify an audio signal up to +35dB of gain. It features a low noise design, wide supply voltage range, low distortion, wide bandwidth, unity gain stability, and a low amount of crosstalk. The APA2031RI-TRG is typically used in applications such as audio amplifier, signal processing, and low-level signal conditioning.