AOQ
Newbie level 4

Dear all :
In my technology, about 50fF unit cap can achieve 10 bit resolution for CDAC type
SAR ADC. Now if I use split cap to reduce total capacitance, the result is bad.
Does anyone know what the effect for using split cap array ?
How large unit cap shoud I use ?
thx~~
In my technology, about 50fF unit cap can achieve 10 bit resolution for CDAC type
SAR ADC. Now if I use split cap to reduce total capacitance, the result is bad.
Does anyone know what the effect for using split cap array ?
How large unit cap shoud I use ?
thx~~