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LM221

National Semiconductor

LM221/LM321 Precision Preamplifiers


Description
LM221 LM321 Precision Preamplifiers February 1995 LM221 LM321 Precision Preamplifiers General Description The LM221 series are precision preamplifiers designed to operate with general purpose operational amplifiers to drastically decrease dc errors Drift bias current common mode and supply rejection are more than a factor of 50 better than standard op amps...



National Semiconductor

LM221

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