PT2033 - Princeton Technology

PT2033 2.1 Channel Audio Processor

The PT2033 is an audio processor designed for versatile application, it includes 3 stereo input selector with internal gain, master volume control with low frequency loudness compensation, individual channel output volume adjust and tone control. If a system wants subwoofer signal output, traditional solution needs a lot of discrete components and OPAMP to c.

Features

• CMOS technology
• Controlled by I²C interface
• 3 Stereo Inputs with gain selection.
• Input gain range, from 0dB to +11.25dB, 3.75dB per step
• 2 channels master volume: from 0 dB to -78.75dB, 1.25dB per step
• Built In channel mixer and lowpass filter for subwoofer output
• Subwoofer output volume : from 0dB to -37.5dB, 1.25dB per step
• Tone control (Bass and Treble): from -14dB to +14dB, 2dB per step
• Wide operation range(VDD from 4V to 10V)
• Low harmonic distortion (0.002%, Vo=200mVrms)
• Low noise and DC offset
• 32-pin SOP package IGOL VOLL LOUDL BASSL1 BASSL2 TREL LOUT INL3 INL2 .