DESCRIPTION

The PT2337 is an integrated audio amplifier design for the low voltage (5V) application purpose, built-in

stereo 2W Class-D power amplifier with audio processor, it provides 4 stereo sources selector, and all signal process is based on pure analog processing to maintain high performances and low power consumption.

FEATURES

• Supply voltage: 3 ~ 6V

• 2W X 2 Class-D power amplifier (VDD=5V, RL=4Ω)

• 4 Stereo inputs

• 32 steps, independent channel volume controller

• Bass and treble control.

• 2 voltage gain setting for power amp, (20dB, 26dB)

• Pop-Free circuitry eliminates unpleasant noises during power ON/OFF.

• Low power shutdown

•High PSRR

• High RF radiation immunity.

• Over heat/over current protection

• Controlled by I2C interface

•Pin-compatible with PT2334 (Partly functions compatible)

• LQFP 48 pins package

APPLICATIONS

• Portable player duck speaker system

• Portable media player

• Digital photo frame

• Flat panel display and TV

• Other audio applications