Analogue, Mixed Signal, LSI


Current shunt monitor

28 September 2011 Analogue, Mixed Signal, LSI

Texas Instruments has rolled out what it claims is the industry’s most accurate current shunt monitor. With a maximum offset voltage of 10 μV and a maximum gain error of 0,1%, the INA226 is a complete 16-bit, single-chip solution, and provides fully programmable measurements for current, voltage and power across a digital I²C interface. Independently programmable conversion times and sample averaging make it easy to customise to the speed requirements of each system, and reduce software and memory requirements. Maximum quiescent current is 420 μA and maximum shutdown current is 2 μA. 140 dB CMRR and 36 V common mode voltage ensure there is little to no change in offset voltage throughout the entire range of operation, simplifying error analysis.

EBV Electrolink, +27 (0)21 402 1940, capetown@ebv.com, www.ebv.com



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