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OPA1602: temperature sweep on PSpice

Part Number: OPA1602

Hello Guys,

Good day.

Our customer have a question regarding the nature of sweep simulation using PSPice on our differential amp like OPA1602.
For example in the resistors tolerance field, he can enter TC1 and TC2 field absolute values. But he can not enter -5ppm/+10ppm. He can only enter 5ppm. No  +/- sign. So when he enter 5ppm the program assumes it is +5ppm or is it -/+ 5 ppm ?

And he is designing a difference amplifier. So he need to check what happens when temperature changes. But for a diffference amplifier those 4 resistors are all -/+ 25 ppm. So this means one of them can be +7 ppm other can be -3 ppm.

Thanks and regards,

Art