需要做一个高精度万用表,求推荐AD芯片,要求16位串行输出,有内部基准电压源,最好4通道,两通道也行,单极性输入,模拟输入电压范围越宽越好。
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Hi
更多的TI ADC芯片见如下网站列表:
http://www.ti.com.cn/lsds/ti_zh/data-converters/precision-adc-less-10msps-products.page
0~10V 通过电阻分压后输入至ADC即可,为了提高精度,可以分档,选择不同的分压电阻。