A20B-3300-0030/05B
A20B-3300-0030/05B
串擾（Crosstalk）
串擾表示每路模擬輸入與其它模擬輸入的隔離程度。對于具有多路輸入通道的ADC，串擾指從一路模擬輸入信號耦合到另一路模擬輸入的信號總量，該值通常以分貝 （dB）為單位表示；對于具有多路輸出通道的DAC，串擾是指一路DAC輸出更新時在另一路DAC輸出端產生的噪聲總量。
微分非線性（DNL）誤差
對于ADC，觸發(fā)任意兩個連續(xù)輸出編碼的模擬輸入電平之差應為1 LSB （DNL = 0），實際電平差相對于1 LSB的偏差被定義為DNL。對于DAC，DNL誤差為連續(xù)DAC編碼的理想與實測輸出響應之差。理想DAC響應的模擬輸出值應嚴格相差一個編碼 （LSB）（DNL = 0）。（DNL指標大于或等于1LSB保證單調性。）（見“單調”。）
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