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射极跟随器(电压跟随器)方案请教

Other Parts Discussed in Thread: OPA197, OPA316

我现在用adc8552产生一个可控的毫伏电压信号,范围大概在0-130mv之间,在这个信号后面需要加一级射极跟随器(电压跟随器)提高带载能力。负载在5欧姆左右,所以稳定电流输出至少在30ma,请问有什么好的解决方案吗?主要是负载太小,希望提高带载能力,不甚感激。