ZHCACG7A september 2018 – march 2023 ADS1118 , ADS1119 , ADS1120 , ADS112C04 , ADS112S14 , ADS112U04 , ADS1146 , ADS1147 , ADS1148 , ADS114S06 , ADS114S06B , ADS114S08 , ADS114S08B , ADS1219 , ADS1220 , ADS122C04 , ADS122C14 , ADS122S14 , ADS122U04 , ADS1246 , ADS1247 , ADS1248 , ADS124S06 , ADS124S08 , ADS125H02 , ADS1260 , ADS1261 , ADS1262 , ADS1263
與節(jié) 2.3中的電路類似,此設(shè)計(jì)使用 VBIAS 進(jìn)行傳感器偏置。但是,不會(huì)使用外部電阻進(jìn)行燒毀測(cè)量。啟用 ADC 中的燒毀電流源后,將進(jìn)行單獨(dú)的燒毀測(cè)量。如果沒有外部偏置電阻,流經(jīng)熱電偶、濾波電阻和 ADC 多路復(fù)用器內(nèi)部任何電阻的偏置電流就不會(huì)產(chǎn)生額外的電壓誤差。