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PGA302: 校准后,一段时间后校准数据丢失

Part Number:PGA302

在使用PGA302芯片得时候,遇到以下现象:

此用于扭矩传感器上,在校准后,空载电压输出为2.5V,在产品上使用3个月后,空载输出电压变为了0V。重新校准可以恢复。但是为什么会出现一段时间后,输出变了得问题

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Daniel:

您好

已经收到了您的案例,调查需要些时间,感谢您的耐心等待

,

Links:

你好,

所有设备都会发生这种情况吗?或者只是一对?

设备中运行着一种补偿算法。校准系统时,该补偿算法的系数存储在EEPROM中。

一旦空载输出电压变为0V,系数是否符合您的预期?如中所示,它们是否与最初编程到设备的系数相同?

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,

tao xiaoyuan:

,

tao xiaoyuan:

部分设备会出现这种问题,出货量比较大,没有记录出货时的校准系数。会有可能是静电或电磁导致eep数据丢失吗

,

Links:

这是哪位客户?

一旦空载输出电压为0V,是否可以读取EEPROM系数?即使在装运时不知道系数,客户仍然可以知道EEPROM是否被擦除。例如,如果在空载输出电压为0V时所有系数都为零,即使设备在装运时已将系数编程到其中,这可能表明EEPROM受到了影响。

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Arabic
Hebrew
Polish

Bulgarian
Hindi
Portuguese

Catalan
Hmong Daw
Romanian

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Hungarian
Russian

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Indonesian
Slovak

Czech
Italian
Slovenian

Danish
Japanese
Spanish

Dutch
Klingon
Swedish

English
Korean
Thai

Estonian
Latvian
Turkish

Finnish
Lithuanian
Ukrainian

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Urdu

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Maltese
Vietnamese

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