OPA228 Overview
The OPAx227 and OPAx228 series operational amplifiers bine low noise and wide bandwidth with high precision to make them an excellent choice for applications requiring both ac and precision dc performance. The OPAx227 are unity-gain stable.
OPA228 Key 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
