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OPA189, OPA2189, OPA4189
SBOS830I – SEPTEMBER 2017 – REVISED OCTOBER 2021
OPAx189 Precision, Lowest-Noise, 36-V, Zero-Drift, 14-MHz, MUX-Friendly, Rail-to-Rail Output Operational Amplifiers
1 Features
• Ultra-high precision:
– Zero-drift: 0.005 μV/°C (OPA189) – Ultra-low offset voltage: 3 μV maximum
(OPA189) • Excellent dc precision:
– CMRR: 168 dB – Open-loop gain: 170 dB • Low noise:
– en at 1 kHz: 5.2 nV/√Hz – 0.1-Hz to 10-Hz noise: 0.1 µVPP • Excellent dynamic performance:
– Gain bandwidth: 14 MHz – Slew rate: 20 V/µs – Fast settling: 10-V step, 0.01% in 1.1 µs • Robust design:
– MUX-friendly inputs – RFI/EMI filtered inputs • Wide supply range: 4.5 V to 36 V • Quiescent current: 1.
OPA189 Datasheet
