Stratix II ES180 board, help me with DAC output

this is the on-board DAC, so I think that I just input the digital signal and input the clock and I will get the analog signal.

the schematic of on-board DAC 904, you can check for me at: this is the on-board dac, so i think that i just input the digital signal and input the clock and i will get the analog signal. the schematic of on-board dac 904, you can check for me at: http://embdev.net/attachment/174974/dac904.png (this is the on-board dac, so i think that i just input the digital signal and input the clock and i will get the analog signal. the schematic of on-board dac 904, you can check for me at: http://embdev.net/attachment/174974/dac904.png)