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Matched Resistor Networks for Ultraprecision Applications

Greg Zimmer - Senior Product Marketing Engineer Mar 20th 2012

Precision matched resistors are used in a wide range of precision instrumentation applications including measurement and data acquisition, wireless RF, networking, automated test, medical, industrial controls and military equipment. The LT®5400 is a family of quad, precision matched resistors designed for high performance signal conditioning applications such as difference amplifiers, precision dividers, precision gain stages, and bridge circuits. These thin-film resistors offer outstanding resistor-to-resistor matching and outstanding long term drift, in a small package. The LT5400 matching is taken one step further with “matching for CMRR,” a new metric that guarantees CMRR performance when configured in a differential circuit. The LT5400’s matching for CMRR is guaranteed to be better than 0.005%, over the full specified temperature range, offering a 2x improvement over resistors matched to within 0.01%.

Matched Resistor Networks for Ultraprecision Applications