TI的贴片运放opa690(8脚)和opa695(8脚)接上同相放大电路就发热,也没有正常工作,8脚是断开的,电压接的正负5伏,同样的电路接入op07这类的直插运放就能正常工作,跪求工程师解答!
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首先,在同样的工作条件下,OPA690/5的发热量肯定要大于OP07,因为它们是高速运放,静态功耗大。
对于你这个问题,如果不能正常工作,需要提供下电路图,输入输出信号,负载等等情况。