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将一个幅度25mV频率范围(5KHz-1MHz)的交流小信号放大100倍, 有什么适合的放大器或芯片推荐?

Other Parts Discussed in Thread: OPA847, INA331

最近做一个医疗产品,需要向人体注入500uA交变电流,人体部分阻抗50-100欧左右,即峰峰值25mV-50mV左右,再通过放大器放大100倍到几V通过MCU  ADC检测,有推荐的放大器吗?  目前查看INA111AP可以,但是带宽在G=100时达不到1MHz。