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我有4路100Hz到10kHz的正弦波信号，幅度在-1V到+1V，分辨率12bit，想把它放大为4路-10V到+10V的差分信号输出，运放应该怎么选？谢谢！
可以使用一些音频放大器即可，像OPA2132，OPA1612一类的设计。
简单点的话，也可以考虑全差分输出运放THS4150。
