我现在要做一个频率检测电路和峰值检测电路，电路要求输入信号幅度在10mv~5v间变化，频率在100HZ~10KHZ。并且电源的供电电压为+5v~-5v，有没有适合此电路的芯片推荐下，最好有此电路的仿真图，希望各位大神帮忙出下注意。频率检测和峰值检测是独立的两个电路。
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