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VCA820供电问题和发热问题

Other Parts Discussed in Thread: VCA810

VCA的14脚封装上有两个脚都是V+,两个脚都是V-,请问都要直接接上电源么?我现在用一组电源供电,然后电源引脚检查了很多遍,并没有问题,但是芯片有时候会变得很烫手,请问还有什么原因可能使得温度过高么?求解答啊。。