The new version of PCM1794DAC decoder in 2021! ! ! Support MONO mode! !
The standard version of the op amp uses NJM2068D*2+NJM5532D*1
The upgraded version of the op amp uses LME49720NA*2+LME4562NA*1
The I2S input port of this board supports I2S format LJ (left justified) format RJ (right justified) signal input; supports 16-24bit 32-192K!
This board supports setting to stereo mode or mono MONO mode (MONO mode can be set to left or right channel) mono MONO mode is equivalent to the parallel mode of other DACs! The dual-channel mode output of this board is RCA single-ended output; the MONO mode output is differential output (balanced output). Two channels of MONO mode need to buy two boards!
The data format and the setting method of mono mode are shown in the following table:
I2S interface definition:
1 NC(Not pick up) ; 2 GND ; 3 DATA ; 4 BCK; 5 MCLK ; 6 LRCK
Electrical characteristics:
PCB size: 10cm*8.3cm; the center length and width of the screw hole: 9.357cm*7.396cm
Power supply voltage: the analog circuit part of the DC +- 15V (note that the DC dual 15V input, the wrong connection of the AC or the wrong line sequence will cause the circuit to be permanently damaged!) The DAC chip power supply part AC/DC7.5-10V AC or DC can be !
This product does not provide documents such as schematic diagrams! Only provide interface definition (written in the introduction or marked on the board)!

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