I'm using a 24 bit sigma delta adc with internal reference 0.8 volts,SNDR 80 dB.
max input swing +-500mV.
so I have following doubts.
1]does this have resolution of 0.8/2 raise to 24=4.76 * 10 raise to -8
so this small value of voltage will cause the change in 1 LSB ?
2]SNDR is 80 dB so
ENOB is=80-1.76/6.02
= 13 bits
Is the above calculation of ENOB is correct ?
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