OPAx227, OPAx228 High-Precision, Low-Noise Operational Amplifiers

1 Features • Low noise: 3 nV/√Hz • Wide bandwidth: – OPA227: 8 MHz, 2.3 V/μs – OPA228: 33 MHz, 10 V/μs • Settling time: 5 μs • High CMRR: 138 dB • High open-loop gain: 160 dB • Low input bias current: 10 nA maximum • Low offset voltage: 75 μV maximum • Wide supply range: ±2.5 V to ±18 V