CMRR, 4-pA max bias current, 2-µV/ºC max drift, 200-µV offset, 0.001% max non-linearity INA126/dual INA2126 Low power: 175-µA/channel supply current, 3-µV/ºC max drift, 250-µV max offset Operational Amplifiers OPA130 for Integrator 20-pA max bias current, 90-dB min CMRR, 120-dB min open loop gain, 1-MHz