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
它对典型四线电阻式电桥测量电路稍加变化,使用非对称高电压 (> 5V) 电源来激励传感器。高电压激励源可产生更大的电桥输出电压,从而可以放宽系统噪声要求或提高动态范围。图 6-5 显示了使用 ADC 以及 +10V 和 –5V 非对称双极电源的电压激励电桥测量原理图。请注意,在本例中,激励电压在应用到 ADC 的差分基准电压输入之前必须进行衰减,因此被视为伪比例测量。