Current steering DAC in continuous time Sigma Delta ADC

fhongjin

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Dear All,
I am learning continuous time sigma delta ADCs. I am wondering how much current should I use in the current steering DAC to realize the feedback coefficients.1741662889555.png1741662992717.png
Is it simply Idac*Rint =a1(the feedback coeff)? Thank you in advance for reply

Best regards