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LMC6081: Input bias current specification SOIC package

Part Number: LMC6081
Other Parts Discussed in Thread: OPA928

Hi there,

the datasheet lists a maximum input bias current for of the LMC6081AIM (SOIC package) of 100 pA, and for the versions in a PDIP package of 4 pA. The column with the typical parameters does not distinguish between the packages, neither does Figure 6 Input Bias Current vs Temperature.

So the question is whether there really is a difference between packages or whether this is just a testing limit. In case there is a difference, is it correct to assume that the typical input bias current is also a factor 25 higher for the SOIC package compared to the PDIP package. 

Since the PDIP package version has a current status of LIFEBUY it's not an option to use it, because this is for a new design.

Best regards,
Klaus