digital to analogue converter

[nathkamla]

hi all,

need help on design of digital to analogue converter max of 4 bits r2r ladder using the binary bits to control a cmos switch. thanks

 

[greenfrog]

go to the eda e-book uplpad/download forum, i rememver there are some books addressung your problem

sorry that i donot have knowledge on this issue

 

[jiangwp]

I think the case will be successful without any attention exception the layout.

But you have to read some basic book about R-2R network DAC.

And , design a proper current source and opamp used as the buffer.