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MSP430F6736: Chip accuracy issue

Part Number: MSP430F6736

客户这边MSP430F6736IPZ芯片,有款在用的单相表,220V1080A

目前在做极限电压影响测试,在电压线路施加120%Un70%UnUn电压,在功率因数1.00.5L情况下测量最大误差改变量,

1.2Un时,在1.05%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

x 出现错误。请重试或与管理员联系。