The PT2811 is an integrated 3W stereo Class-D amplifier with audio processor. The input selector supports 3 Single-Ended and 1 Fully-Differential input can be chose. The highly integration of the audio processor and class-D amplifier can further reduce external components BOM and provides better audio experience. All of functions are controlled via I2C bus.

FEATURES


● Supply Voltage: 3~6V

● 3W X 2 Class-D power amplifier (VDD=5V, RL=4Ω)

● 1 Fully-Differential input

● 3 Single-Ended audio inputs

● Programmable input gain from 0 to +15dB

● Bass and Treble control

● Master volume in 1dB/step from 0 to -79dB

● Advanced soft-mute and multiple soft-step volume technology eliminate audible click during volume and input sources changing.

● Built-in RF noise filter

● Shutdown function for power saving

● Over temperature and over current protection

● Controlled by I2C interface

● Package Type -LQFP48

APPLICATIONS


● PC/Video Projector

● Portable media player

● Audio duck system

● Flat panel display with audio inputs

資源下載

Documentation

TitleFileVersionDate
DatasheetPT2811.pdfV1.12014/1/14

Tools

TitleFileVersionDate
安裝壓縮檔PT2811-VB.rarV1.02013/8/14

Application Note