Jul 19, 2004 #1 A alson Newbie level 5 Joined May 10, 2004 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 64 problems with dac with no reference voltage I want to design a DAC have two reference voltage. how should i do?
problems with dac with no reference voltage I want to design a DAC have two reference voltage. how should i do?
Jul 19, 2004 #2 brain79 Member level 2 Joined Apr 20, 2004 Messages 51 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Location COLOMBIA Activity points 464 dac reference voltage what do you want, the DAC design or the voltage reference design
Jul 19, 2004 #3 F fatwolfning Newbie level 4 Joined Apr 3, 2003 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 68 Do you mean you want to switch between these two reference voltage?
Jul 19, 2004 #4 A alson Newbie level 5 Joined May 10, 2004 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 64 dear fatwolfning! yes!!! I want to switch between these two reference voltage assume reference voltage is 3.3V and 1.6V please give me a suggest!
dear fatwolfning! yes!!! I want to switch between these two reference voltage assume reference voltage is 3.3V and 1.6V please give me a suggest!
Jul 19, 2004 #5 M maxwellequ Full Member level 3 Joined Jun 27, 2001 Messages 185 Helped 26 Reputation 52 Reaction score 14 Trophy points 1,298 Activity points 2,208 What kind of DAC are you designing? Specs and architecture are fundamental. Regards
Jul 19, 2004 #6 M Moof Full Member level 2 Joined Nov 21, 2003 Messages 149 Helped 7 Reputation 14 Reaction score 3 Trophy points 1,298 Location Argentina Activity points 1,230 If you dont want to spend money, you can use two tl431 and a cd4053 (analog switch).
Jul 20, 2004 #7 A alphi Advanced Member level 1 Joined Dec 23, 2001 Messages 413 Helped 11 Reputation 24 Reaction score 10 Trophy points 1,298 Activity points 3,212 If possible use tl431 and switch like CD4066
Jul 20, 2004 #8 opamp741 Full Member level 2 Joined Jun 17, 2004 Messages 135 Helped 21 Reputation 42 Reaction score 11 Trophy points 1,298 Location India Activity points 1,134 how can we do this in VLSI.. can any body suggest some paper on low impedence switches and analog multiplexers.. regards
how can we do this in VLSI.. can any body suggest some paper on low impedence switches and analog multiplexers.. regards
Jul 20, 2004 #9 J jako123 Member level 5 Joined Jul 30, 2002 Messages 82 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 125 hi, take for instance a resistor network DAC and switch with a multiplexor between the references!
Jul 21, 2004 #10 S springf2000 Full Member level 6 Joined Jun 13, 2004 Messages 381 Helped 20 Reputation 40 Reaction score 2 Trophy points 1,298 Activity points 2,500 in fact y can use two DAC,everyone use a reference,or use one DAC,then use a analoge switch to connect the two reference voltage,but i advice y use the two DAC
in fact y can use two DAC,everyone use a reference,or use one DAC,then use a analoge switch to connect the two reference voltage,but i advice y use the two DAC