DNL(i) = V out ( i + 1 ) − V out ( i ) ideal LSB step width − 1 {\displaystyle {\text{DNL(i)}}={{V_{\text{out}}(i+1)-V_{\text{out}}(i)} \over {\text{ideal LSB step width}}}-1}
INL and DNL definitions "A DNL error specification of less than or equal to 1LSB guarantees a monotonic transfer function with no missing codes. " https://www.analog.com/en/technical-articles/inldnl-measurements-for-types-of-highspeed-adcs.html https://www.analog.com/en/technical-articles/inldnl-measurements-for-types-of-highspeed-adcs.html ↩