OPA189 Overview
The OPA189, OPA2189, and OPA4189 (OPAx189) high-precision operational amplifiers are ultra-low noise, fast-settling, zero-drift devices that provide railto-rail output operation.
OPA189 Key Features
- Ultra-high precision
- Zero-drift: 0.005 μV/°C (OPA189)
- Ultra-low offset voltage: 3 μV maximum
- 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