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ADS1675驱动电路问题

Other Parts Discussed in Thread: THS4503, ADS1675, OPA140

参考设计采用THS4503驱动ADS1675,一起使用时,ADC发烫,但是能正常工作,去掉THS4503后,ADC不怎么烫,想问一下,是THS4503输出电流过大造成的,还是什么原因?目前我前面的放大电路是单端输出, 是否可以采用其他的驱动电路,自己用运放搭一个驱动电路可行不?