First line: "Signal Conditioning" op 277Â op 277 Precision Isolation Amplifier High CMV/CMR, ±15V Floating Model FEATURES Versatile Front End: Inverting, Non-Inverting, Differential Applications Nonlinearity: 0.025% max, Model 277K Input Offset Voltage Drift: 1µV/°C max, Model 277K Floating PowAbstract: .. output stage's low nonlinearity 0.05%, models 277J/A and 0.025% model277K 277K , these high CMR and CMV ratings facilitate accurate measurements in the presence of noisy electrical equipment .. Tags: op 277Â"Signal Conditioning"op 277dc to dc isolated277J1/"Isolation Amplifier""Isolation Amplifier"datasheet abstract..