LM258: LM258DRG4 & LM258DR performance is diff

Alex Chen9

Expert 1075 points

Part Number: LM258

HI SIR

I use the LM258 for 4-20mA current output,

but I find the two parts is diff perference(drift) in same circuit

Could you let me know which the diff of LM258DRG4 and LM258DR

thanks

0 Ron Michallick over 5 years ago

Alex,

That information can be found here.

The only potential difference listed is lead finish. The drift observed is not caused by the part number difference.

Is the drift a change 'over temperature' or change 'part to part'?

LM258A has better Vio spec and has a temperature drift maximum value in data sheet.

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