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Test Circuit for Offset Voltage on LT1006 spice model

Test Circuit for Offset Voltage LT1006.asc

Dear Support Team

I drew the circuit that is on page 10 of the datasheet of LT1006 to measure offset voltage on LTSpice.

I measured 628 uV of Offset voltage on output. 

The first question I have is the following: Shouldn't offset value be at most 50 uV as it is in the datasheet ?

Second ask: In datasheet, it says: In the automated production testing the output is forced to 1.4V by the test loop. I couldn't get this voltage. What's wrong ?