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VCA820发热问题

Other Parts Discussed in Thread: VCA820

电路图如下,使用时,VCA820能正常工作,但是发热比较厉害。

供电使用直流稳压电源,正负5V供电,工作电流达到了0.05A,请问这工作正常吗?

VCA820.TSC
  • 我用的是MSOP-14的VCA820,手册中给的两个正电源供电端,1脚和14脚,我用万用表单独测了一下芯片,两者之间有42Ω的电阻,负电源7脚和8脚之间有5.6Ω的电阻。请问这两个供电端该如何接?

    实际电路中,我是给1脚供电,14脚悬空,7脚供电,8脚悬空,这种接法有问题吗?