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INA828: Gain error vs temperature between INA828 and INA819

Part Number: INA828
Other Parts Discussed in Thread: INA819, , INA821

Hi

The gain error vs temperature plots on the datasheets for INA819 (Figure 31) and INA828 (Figure 29) showed more than 10x differences, assuming these are typical. However, Gain vs temperature are +/-35 and +/-50 ppm/C on pages 5 and 7 of Electrical Characteristics. Could someone explain what I am missing here?

Thanks,

FZ