ZHCABK1A February 2022 – March 2024 ADS1119 , ADS1120 , ADS1120-Q1 , ADS112C04 , ADS112S14 , ADS112U04 , ADS1130 , ADS1131 , ADS114S06 , ADS114S06B , ADS114S08 , ADS114S08B , ADS1158 , ADS1219 , ADS1220 , ADS122C04 , ADS122C14 , ADS122S14 , ADS122U04 , ADS1230 , ADS1231 , ADS1232 , ADS1234 , ADS1235 , ADS1235-Q1 , ADS124S06 , ADS124S08 , ADS1250 , ADS1251 , ADS1252 , ADS1253 , ADS1254 , ADS1255 , ADS1256 , ADS1257 , ADS1258 , ADS1258-EP , ADS1259 , ADS1259-Q1 , ADS125H01 , ADS125H02 , ADS1260 , ADS1260-Q1 , ADS1261 , ADS1261-Q1 , ADS1262 , ADS1263 , ADS127L01 , ADS130E08 , ADS131A02 , ADS131A04 , ADS131E04 , ADS131E06 , ADS131E08 , ADS131E08S , ADS131M02 , ADS131M03 , ADS131M04 , ADS131M06 , ADS131M08
如圖 1-3 所示,基本電橋具有一個(gè)有源電阻式元件,而其他三個(gè)元件是靜態(tài)電阻。這些單一有源元件電橋結(jié)構(gòu)簡(jiǎn)單,成本較低。但它們?cè)跐M量程范圍內(nèi)測(cè)量的靈敏度較低,非線性度較高。
其他電橋拓?fù)浣Y(jié)構(gòu)可能具有兩個(gè)有源電阻式元件和兩個(gè)靜態(tài)電阻。在某些情況下,所有四個(gè)電阻式元件可以都是有源元件。這些電橋可提高電橋測(cè)量的靈敏度并降低非線性度。無(wú)論哪種配置,電橋功能保持不變:測(cè)量電阻式元件隨激勵(lì)電壓的變化。