DESCRIPTION This is a special HIFI DAC expansion board designed for the Raspberry pi B+ ,using TI's DAC chip (PCM5122), using an I2S interface The expansion board provides two kinds of output interfaces to facilitate external amplifiers and other equipment. The user can use this expansion board with audio playback systems (eg: volumio, xbmc system etc.) to build its own network HIFI player; It provides LED indicates working status. Red LED for the DAC power indicator (Power normal light), the green LED for the DAC working condition (when working decode light, stop, or does not work when off), a better understanding of the work of the DAC provide infrared receiver interface (occupied GPIO26) SPECIFICATION Sampling Frequency:384KHz Resolution (Bits) :16-32 Digital Audio Interface :I2S SNR :120dB THD:-93dB Dynamic range :112dB Supports Raspberry Pi B+, Raspberry Pi 2 Model B WHAT'S IN THE PACKAGE 1pcs HIFI DAC+ Audio Sound Card Module I2S interface Note: The raspberry pi board is not included in this package. Caution: This expansion board's headphone output port is mainly for external connection power amplifier. If you want to use the expansion board to direct drive the headphone, be careful and we do not have the responsibility for it The product support runeaudio and osmc system, not volumio system when apply on Raspberry Pi 3 board .
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