Description
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 and feature a unique MUXfriendly architecture and controlled start-up system.
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:.