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Suitable DAC for High Speed Sigma Delta ADC

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Shady Ahmed

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I need help regarding a 5th Order Sigma Delta ADC design .. CLK = 384 Mega Hz ... what is the most suitable type of to implement the feedback DAC ? as i already tried the most simple structure and it's not working good with this high speed CLK ...

i read about 'current steering DAC ' for example , is it suitable and accurate enough for this CLK or there is another type ??
 

Shady Ahmed said:
I need help regarding a 5th Order Sigma Delta ADC design .. CLK = 384 Mega Hz ... what is the most suitable type of to implement the feedback DAC ? as i already tried the most simple structure and it's not working good with this high speed CLK ...

i read about 'current steering DAC ' for example , is it suitable and accurate enough for this CLK or there is another type ??
Click to expand...

You can use orcad16.6..in that some current dac is available make use of it.
 

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