1.ADS1262采集三通道输出信号,除AIN0-AIN2和AINCOM,其余模拟输入通道均未使用,未使用的这些模拟通道按数据手册需要连接到2.5V电压,能否像图中这样直接把REFOUT引脚直连到AIN3-AIN9?
2.根据用户手册+5V单级供电时,AVSS和DGND需要直连,且模拟、数字和电源部分电路需要隔离,是否像图中一样划分模拟地和数字地,然后在PCB上再连到一起即可?
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