INA159 Gain Long-Term Drift

Gerry Lee

Other Parts Discussed in Thread: INA159

HI All,

Is there anybody who can help provide me the parameters of ' Gain Long-Term Drift' or ‘Resistor Matching Ratio Long-Term Drift’' under condition of 70°C and 2000 hours for INA159? thanks in advance!

over 11 years ago

0 Bruce Trump over 11 years ago

Guru 21975 points

Gerry,

The gain of the INA159 is set by the ratio of internal SiCr resistors. These resistors have excellent stability and matching characteristics. Though we do not have long-term data specific to the INA159, we have much experience with these resistors on many types of products. I would expect that the gain change at 70'C for 2000 hours to be very small and difficult to measure, probably in the range of 10ppm.

Regards, Bruce.

0 Gerry Lee over 11 years ago in reply to Bruce Trump

Intellectual 315 points

Hi Bruce,

Great! thanks for your reply.

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INA159 Gain Long-Term Drift