The OPA227 and OPA228 series op amps combine low noise and wide bandwidth with high precision to make them the ideal choice for applications requiring both ac and precision dc performance. The OPA227 is unity gain stable and features high slew rate

这是我在做模拟题得过程中，由于需要，自己翻译的，只翻译了一部分，其中有不少错误，欢迎大家批评指正