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Linearity of MOS transistor_the meaning

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akkafrawy

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Hi, can anyone tell me what does " a 10 bit linearity can be extracted from 90nm CMOS transistor" mean? how is it related to the Ids-Vgs of such a transistor? Has it a relation to the dynamic range?...any info, thx
 

This is a very vague term to be used for a single CMOS transistor. Usually ENOB is used in ADCs to express their DR equivalence in bits. Can you share its reference ?
 

dragonfury said:
This is a very vague term to be used for a single CMOS transistor. Usually ENOB is used in ADCs to express their DR equivalence in bits. Can you share its reference ?
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Unfortunately, I don't have ref., but i heard it a lot in many lectures
 

it might be dealing with missmatch of MOSFETs (say better 0.1%), providing 10-bit linearity e.g. in current steering DAC
 
Or it can be that a MOS transistor with a certain THD (Id vs Vg) corresponds to an equivalent SDR (signal to distortion) which results in 10bit ENOB.
 

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