How to do a layout of 12 bit ADC ?

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vishalmalik_2000

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Hi
I have made a 12 bit adc at the transistor level.
could someone please suggest me how do i make a layout of the same
we have Tanner Tools in our univ
Regards
-Vishal
 

adc layout

Generally, separate the digital and analog portions into their own areas and bring the outside world connections out to opposite sides of the chip.
 

adc 40 layout

hi
have you any knowledge about silicon layout?
if you have , start L-Edit and make it . you can make many things wit L-Edit
if you want to make more easy your layout , try Microwind .
good luck

cuong_vn wrote:
Visit www.analog.com. ADC of analog device is the best.

Indeed
What make you say that ? :wink:
 

low noise adc layout

Well, for high speed ADC, ADI has the best
linearity and SNR performance.
For low frequency, Burr-Brown (now in TI)
is good.
But, I have to say that ADI ADC's are pretty good
 

ADC layout

first of all layout the analog parts round one or two borders, and layout the digital part.
 

ADC layout

analog &digital place seperately use gnd.analog gnd&digital gnd use two bond.
 

ADC layout

1.the VCC and GND should be seperate from each other for both digital and analog part.

2. Using the guard ring or something like that to seperate the high noise part to low noise part. Keep them far away from each other is a choice.

3. Match is very important.

Good Luck!
 

ADC layout

ADC layout must has high match of per stage and has the same layout for all stage. don't more care about the area and do more match of all must be matched
 

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