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INA281: CMRR test

Part Number:INA281Other Parts Discussed in Thread:INA821

Hello:

         For INA218, the feedback loop is integrated in the chip, Then How to test the CMRR of INA218 or other current sensing AMP like INA218?

Amy Luo:

您好,

datasheet已经给出其CMRR参数,不需要测量,如下截图所示:

INA821的CMRR仿真的帖子希望对您有帮助:

INA821: Simulation of CMRR  :https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1053841/ina821-simulation-of-cmrr/3899097?tisearch=e2e-sitesearch&keymatch=how%25252525252520to%25252525252520test%25252525252520CMRR#3899097

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