A20B-3300-0030/05B
A20B-3300-0030/05B
串?dāng)_（Crosstalk）
串?dāng)_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?dāng)_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?dāng)_是指一路DAC輸出更新時(shí)在另一路DAC輸出端產(chǎn)生的噪聲總量。
微分非線性（DNL）誤差
對于ADC，觸發(fā)任意兩個(gè)連續(xù)輸出編碼的模擬輸入電平之差應(yīng)為1 LSB （DNL = 0），實(shí)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(shí)測輸出響應(yīng)之差。理想DAC響應(yīng)的模擬輸出值應(yīng)嚴(yán)格相差一個(gè)編碼 （LSB）（DNL = 0）。（DNL指標(biāo)大于或等于1LSB保證單調(diào)性。）（見“單調(diào)”。）
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