name: DAC3550A_PQFP44 function: DAC Stereo package: PQFP44,44 manufacturer: Micronas Intermetall +-----------+-------------+------------+-----------+ | 1 - agndc| 12 - xti | 23 - cli | 34 - deeml| | 2 - avss1| 13 - xto | 24 - dai | 35 - deemr| | 3 - avss0| 14 - clkout | 25 - wsi | 36 - nc | | 4 - nc | 15 - scl | 26 - porq | 37 - foutl| | 5 - outl | 16 - sda | 27 - testen| 38 - fopl | | 6 - nc | 17 - Vss | 28 - nc | 39 - finl | | 7 - outr | 18 - Vdd | 29 - aux2l | 40 - nc | | 8 - nc | 19 - mcs1 | 30 - aux2r | 41 - foutr| | 9 - avdd0| 20 - mcs2 | 31 - aux1l | 42 - fopr | | 10 - avdd1| 21 - deectrl| 32 - aux1r | 43 - finr | | 11 - nc | 22 - nc | 33 - nc | 44 - Vref | +-----------+-------------+------------+-----------+ This pinout came from the Chipdir: http://www.chipdir.org/