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客户这边MSP430F6736IPZ芯片,有款在用的单相表,220V,10(80)A。
目前在做极限电压影响测试,在电压线路施加120%Un,70%Un与Un电压,在功率因数1.0和0.5L情况下测量最大误差改变量,
1.2Un时,在1.0,5%点的误差改变量在-1.03%,想问一下这个是不是这个芯片本身的精度问题?谢谢
您好,SD24 ADC的精度请参考以下规格书: MSP430F673x, MSP430F672x Mixed-Signal Microcontrollers datasheet (Rev. D)