View mn6475a datasheet:

For Audio Equiment MN6475A D/A Converter for Digital Audio Equipment Overview Pin Assignment The MN6475A is a CMOS digital-to-analog converter by noise shaping technology and is designed for PCM digital audio equipment. It features a built-in 4 times LRCLK 1 24 XOUT oversampling and 16-bit input digital filter. BCLK 2 23 COUT It includes a digital de-emphasis circuit and analog post SRDATA 3 22 CSEL filter to reduce the parts count and power consumption COT1 4 21 DEMPH of the overall D/A conversion system. COT2 5 20 WVEL And also it includes two noise-shaping 1-bit D/A con- verters, one each for the left and right channels. TEST 6 19 TP VDD 7 18 PWML Features X2 8 17 RSTB Built-in 4 times oversampling digital filter X1 9 16 VDDR (Bandwidth ripple of ±0.051dB and a