由于项目需要,ARM要1ms周期采集50路AI信号,准备选用4块16通道ADC芯片。 请问什么芯片合适?ADC芯片16通道需要用手动MUX切吗?ADC能否设置好自动1ms 16路轮询一遍?采用SPI接口能够满足通信速度吗?
希望有高手能指点下,谢谢。
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ti的低速精密ADC都在这个链接里面