ZHCABK1A February 2022 – March 2024 ADS1119 , ADS1120 , ADS1120-Q1 , ADS112C04 , ADS112U04 , ADS1130 , ADS1131 , ADS114S06 , ADS114S06B , ADS114S08 , ADS114S08B , ADS1158 , ADS1219 , ADS1220 , ADS122C04 , 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
如图 1-3 所示,基本电桥具有一个有源电阻式元件,而其他三个元件是静态电阻。这些单一有源元件电桥结构简单,成本较低。但它们在满量程范围内测量的灵敏度较低,非线性度较高。
其他电桥拓扑结构可能具有两个有源电阻式元件和两个静态电阻。在某些情况下,所有四个电阻式元件可以都是有源元件。这些电桥可提高电桥测量的灵敏度并降低非线性度。无论哪种配置,电桥功能保持不变:测量电阻式元件随激励电压的变化。