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CAN Bus recessive differential output voltage

Question asked by Gao YP on Nov 7, 2018


I design a product and can transceiver i used TJA1145T,now i test can bus in normal  mode(2 node),it working and communication  correctly,but when i test bus voltage ,i find recessive differential voltage was more than 50mV,  Max about 100mV, how reduce the recessive differential voltage within 50mv ?